ISELED Evoluiga Platformo
ISELED® Development Platform User’s Guide
2022 Microchip Technology Inc. and its subsidiaries
DS50003043B
Note the following details of the code protection feature on Microchip products: · Microchip products meet the specifications contained in their particular Microchip Data Sheet.
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Trademarks The Microchip name and logo, the Microchip logo, Adaptec, AnyRate, AVR, AVR logo, AVR Freaks, BesTime, BitCloud, CryptoMemory, CryptoRF, dsPIC, flexPWR, HELDO, IGLOO, JukeBlox, KeeLoq, Kleer, LANCheck, LinkMD, maXStylus, maXTouch, MediaLB, megaAVR, Microsemi, Microsemi logo, MOST, MOST logo, MPLAB, OptoLyzer, PIC, picoPower, PICSTART, PIC32 logo, PolarFire, Prochip Designer, QTouch, SAM-BA, SenGenuity, SpyNIC, SST, SST Logo, SuperFlash, Symmetricom, SyncServer, Tachyon, TimeSource, tinyAVR, UNI/O, Vectron, and XMEGA are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries.
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Apuda Ŝlosilo-Supremado, AKS, Analog-por-la-Cifereca Aĝo, Ajna Kondensilo, AnyIn, AnyOut, Augmented Switching, BlueSky, BodyCom, CodeGuard, CryptoAuthentication, CryptoAutomotive, CryptoCompanion, CryptoController, dsPICDEM, dsPICDEM.net, Dynamic D-Averaĝo. , ECAN, Espresso T1S, EtherGREEN, GridTime, IdealBridge, En-Circuit Seria Programado, ICSP, INICnet, Inteligenta Paraleligo, Inter-Chip Connectivity, JitterBlocker, Knob-on-Display, maxCrypto, maxView, memBrain, Mindi, MiWi, MPASM, MPF, MPLAB Certified-emblemo, MPLIB, MPLINK, MultiTRAK, NetDetach, NVM Express, NVMe, Omniscient Code Generation, PICDEM, PICDEM.net, PICkit, PICtail, PowerSmart, PureSilicon, QMatrix, REALICE , Ripple Blocker, RTAX, RTG4, SAM-ICE, Serial Quad I/O, simpleMAP, SimpliPHY, SmartBuffer, SmartHLS, SMART-IS, storClad, SQI, SuperSwitcher, SuperSwitcher II, Switchtec, SynchroPHY, Total Endurance, TSHARC, USBCheck, VariSense, VectorBlox, VeriPHY, ViewSpan, WiperLock, XpressConnect kaj ZENA estas varmarkoj de Microchip Technology Incorporated en Usono kaj aliaj landoj.
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Ĉiuj aliaj varmarkoj menciitaj ĉi tie estas posedaĵo de siaj respektivaj kompanioj.
© 2022, Microchip Technology Incorporated and its subsidiaries.
Ĉiuj rajtoj rezervitaj.
ISBN: 978-1-5224-9948-0
DS50003043B-page 2
2022 Microchip Technology Inc. and its subsidiaries
ISELED® DEVELOPMENT PLATFORM USER’S GUIDE Preface
AVIZO AL KLEENTOJ
Ĉiu dokumentaro iĝas datita, kaj ĉi tiu manlibro ne estas escepto. Mikroĉipaj iloj kaj dokumentaro konstante evoluas por renkonti klientajn bezonojn, do iuj realaj dialogoj kaj/aŭ ilaj priskriboj povas diferenci de tiuj en ĉi tiu dokumento. Bonvolu raporti al nia website (www.microchip.com) to obtain the latest documentation available.
Documents are identified with a “DS” number. This number is located on the bottom of each page, in front of the page number. The numbering convention for the DS number is “DSXXXXXXXXA”, where “XXXXXXXX” is the document number and “A” is the revision level of the document. For the most up-to-date information on development tools, see the MPLAB® IDE online help. Select the Help menu, and then Topics, to open a list of available online help files.
DOKUMENTA aranĝo
Ĉi tiu gvidilo enhavas la sekvajn sekciojn:
· Chapter 1. “The ISELED® Development Platform” · Chapter 2. “Hardware” · Chapter 3. “Software” · Chapter 4. “Troubleshooting Common Problems” · Chapter 5. “Appendix”
KONVENCIOJ UZITAJ EN ĈI TIU GVIDILO
Ĉi tiu manlibro uzas la jenajn dokumentajn konvenciojn:
KONVENCOJ DE Dokumentado
Priskribo
Reprezentas
Arial font: Italic characters
Initial caps
All caps Quotes Underlined, italic text with right angle bracket Bold characters
Referenced books Emphasized text A window A dialog A menu selection An operating mode, alarm state, status, or chassis label A field name in a window or dialog A menu path
A dialog button A tab
Examples
MPLAB® IDE User’s Guide …is the only compiler… the Output window the Settings dialog select Enable Programmer ALARM
“Save project before build”
File>Save
Click OK Click the Power tab
2022 Microchip Technology Inc.
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ISELED® Development Platform User’s Guide
KONVENCOJ DE Dokumentado
N`Rnnnn
A number in verilog format, where N is the total number of
digits, R is the radix and n is a digit.
Text in angle brackets < >
A key on the keyboard
Courier New font:
Plain Courier New
Sample source code
Filenomoj
File vojoj
Ŝlosilvortoj
Komandliniaj opcioj
Bit values
Konstantoj
Kursiva Kuriero Nova
A variable argument
Square brackets [ ]
Optional arguments
Curly brackets and pipe character: { | }
Ellipses…
Choice of mutually exclusive arguments; an OR selection
Replaces repeated text
Represents code supplied by user
4`b0010, 2`hF1
Press <Enter>, <F1>
#define START autoexec.bat c:mcc18h _asm, _endasm, static -Opa+, -Opa0, 1 0xFF, `A’ file.o, where file can be any valid filename mcc18 [options] file [options] errorlevel {0|1}
var_name [, var_name…] void main (void) { … }
LA MIKROĈIPO WEBRetejo
Microchip provizas interretan subtenon per nia website at www.microchip.com. This webretejo estas uzata kiel rimedo por fari files kaj informoj facile haveblaj al klientoj. Alirebla per via plej ŝatata retumilo, la webretejo enhavas la jenajn informojn:
· Product Support Data sheets and errata, application notes and sample-programoj, dezajnaj rimedoj, gvidiloj de uzanto kaj aparataj subtenaj dokumentoj, plej novaj softvaraj eldonoj kaj arkivita programaro
· General Technical Support Frequently Asked Questions (FAQs), technical support requests, online discussion groups, Microchip consultant program member listing
· Business of Microchip Product selector and ordering guides, latest Microchip press releases, listing of seminars and events, listings of Microchip sales offices, distributors and factory representatives
Klienta SUBTENO
Uzantoj de Microchip-produktoj povas ricevi helpon per pluraj kanaloj:
· Distributor or Representative · Local Sales Office · Field Application Engineer (FAE) · Technical Support
Customers should contact their distributor, representative or field application engineer (FAE) for support. Local sales offices are also available to help customers. A listing of sales offices and locations is included in the back of this document.
DS50003043B-page 4
2022 Microchip Technology Inc.
Teknika subteno disponeblas per la website at: http://www.microchip.com/support.
HISTORIO DE REVIZIO DE DOKUMENTOJ
Revision A (November 2020) · Initial release of this document.
Revision B (March 2022) · Updated Chapter 1. “The ISELED® Development Platform” · Updated Chapter 2. “Hardware” · Made minor editorial corrections
antaŭparolo
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ISELED® Development Platform User’s Guide
NOTOJ:
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2022 Microchip Technology Inc.
ISELED® DEVELOPMENT PLATFORM USER’S GUIDE
Enhavtabelo
Preface …………………………………………………………………………………………………………… 3 Chapter 1. ISELED Curiosity HPC Development Platform
1.1 Introduction………………………………………………………………………………………… 8 1.2 Development Platform Requirements ……………………………………………………. 8 1.3 ISELED® Development Platform Overview …………………………………………… 9 Chapter 2. Hardware 2.1 Hardware Features……………………………………………………………………………. 16 2.2 Hardware Configuration Options …………………………………………………………. 27 Chapter 3. Software Chapter 4. Troubleshooting Common Problems 4.1 ISELED Smart LEDS Do Not Illuminate ……………………………………………….. 31 Chapter 5. Appendix 5.1 mikroBUS Add-On Header …………………………………………………………………. 32 Worldwide Sales and Service ………………………………………………………………………… 35
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ISELED® DEVELOPMENT PLATFORM USER’S GUIDE
Chapter 1. The ISELED® Development Platform
1.1 ENKONDUKO
The Microchip ISELED® Development Platform provides a modular environment for rapid prototyping and evaluation of automotive ambient lighting applications that adhere to the ISELED Smart LED standard. ISELED stands for Integrated Smart Embedded LEDs as defined by the ISELED Alliance. ISELED integrates an RGB LED and the LED controller all in one module. LEDs are calibrated during production and all calibration data is stored within the LED module, not the target MCU. ISELED devices use a simple, 2-wire communication interface where up to 4,079 LEDs can be daisy-chained together in series.
Note: For more details about ISELED and the standard, visit www.iseled.com.
1.2 DEVELOPMENT PLATFORM REQUIREMENTS
The ISELED Development Platform is comprised of multiple components. The required hardware is listed below: · Development Platform Controller Board. Select one of the following:
– Curiosity HPC Development Board (PN: DM164136) a) Target MCU (Controller Board): PIC18F25K42. Replaces the default MCU (PIC16F18875) on the Curiosity HPC (PN: PIC18F25K42-I/SP)
– ATSAMC21 Xplained Pro (PN: ATSAMC21-XPRO) a) ATMBUSADAPTER-XPRO (PN: ATMBUSADAPTER-XPRO). Required for Controller to Interface Board connection.
– dsPIC33C® Curiosity Development Board (PN: DM330030) · ISELED Interface Board
– mikroBUSTM Add-On Board Standard (PN: APG00112) · ISELED Development Board (choose one):
– Osram ISELED Development Board (PN: APG00113) – Dominant ISELED Development Board (PN: APG00114) · USB Cable – Micro USB (PN: ATUSBMICROCABLE-XPRO) · 7V Power Supply (Optional, 6-7V Max) – 7V, 110-220V, 1.3A, 2.5mm ID x 5.5mm OD · Computer – Windows 7 or newer – High-speed USB port
Note: All hardware listed must be purchased separately from Microchip (new.microchipdirect.com) or from an approved distributor.
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ISELED® Development Platform User’s Guide
Bezonata Programaro:
For the ISELED software driver, contact your local sales or fill out the software inquiry form at www.microchip.com/iseled.
1.3 ISELED® DEVELOPMENT PLATFORM OVERVIEW
Three configurations for the ISELED Development Platform are presented in this User Guide. A Microchip PIC® MCU variant which utilizes the Curiosity HPC development board, the Microchip dsPIC33C® Curiosity development board and the Xplained Pro variant which uses the ATSAMC21-XPRO. The hardware components and default jumper configuration settings for each setup are summarized in the following sections.
1.3.1 ISELED Curiosity HPC Development Platform
The key hardware components for the ISELED Curiosity HPC Development Platform are listed below:
1. Curiosity HPC a) Development board using the PIC18F25K42 target MCU.
2. ISELED Interface Board a) Configuration interface and the gateway between the Curiosity HPC and the ISELED Development Board.
3. ISELED Development Board a) Development board with 10 ISELED Smart LEDs.
FIGURO 1-1:
ISELED® CURIOSITY HPC DEVELOPMENT PLATFORM
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The ISELED® Development Platform
1.3.1.1 DEFAULT JUMPER SETTINGS
The default configuration for use with the demonstration firmware is as follows: · Curiosity HPC
– Replace the “Target Device” MCU with the PIC18F25K42. – Set the power supply jumper to 5V.
FIGURO 1-2:
CURIOSITY HPC DEFAULT SUPPLY JUMPER SETTING
FIGURO 1-3:
· ISELED Interface Board CURIOSITY HPC ISELED® INTERFACE BOARD DEFAULT JUMPER SETTINGS
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ISELED® Development Platform User’s Guide
· ISELED Development Board – Set the power supply jumper to 5V-VEXT.
FIGURO 1-4:
ISELED® DEVELOPMENT BOARD DEFAULT JUMPER SETTINGS
FIGURO 1-5:
1.3.2 ISELED XPRO Development Platform
The key hardware components for the XPRO Development Platform are listed below: 1. ATSAMC21-XPRO
a) Development board using the SAMC21J18A-AUT target MCU. 2. ATMBUSADAPTER-XPRO
a) mikroBUS XPRO adapter board. 3. ISELED Interface Board
a) Configuration interface and the gateway between the Curiosity HPC and the ISELED Development Board.
4. ISELED Development Board a) Development board with 10 ISELED Smart LEDs.
ISELED® XPRO DEVELOPMENT PLATFORM
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The ISELED® Development Platform
1.3.2.1 DEFAULT JUMPER SETTINGS
The default configuration for use with the demonstration firmware is as follows: · SAMC21-XPRO
– Set the power supply jumper, VCC-SEL, to 5.0V.
FIGURO 1-6:
SAMC21 XPRO DEFAULT SUPPLY JUMPER SETTING
5. ATMBUSADAPTER-XPRO
– Attach the ISELED Interface Board to the mikroBUS socket.
– Set the power supply jumper (NOT the power supply breakout header, EXT) to +5V.
FIGURO 1-7:
ATMBUSADAPTER-XPRO DEFAULT SUPPLY JUMPER SETTING
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ISELED® Development Platform User’s Guide
FIGURO 1-8:
· ISELED Interface Board SAMC21-XPRO ISELED® INTERFACE BOARD DEFAULT JUMPER SETTINGS
1.3.3 ISELED Curiosity dsPIC33C®
The key hardware components for the ISELED dsPIC33C Curiosity Development Platform are listed below:
1. dsPIC33C Curiosity Development Board a) dsPIC33C Curiosity Development Board with the dsPIC33CK256MP508 single-core high performance DSC.
2. ISELED Interface Board a) Configuration interface and the gateway between the dsPIC33C Curiosity and the ISELED Development Board.
3. ISELED Development Board a) Development board with 10 ISELED Smart LEDs.
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FIGURO 1-9:
The ISELED® Development Platform
ISELED® dsPIC33C® CURIOSITY DEVELOPMENT PLATFORM
1.3.3.1 DEFAULT JUMPER SETTINGS
The default configuration for use with the demonstration firmware is as follows: · dsPIC33C Curiosity
– Set jumper, J11, to +5V USB Power.
FIGURO 1-10:
dsPIC33C® CURIOSITY POWER SUPPLY JUMPER SETTING
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ISELED® Development Platform User’s Guide
FIGURO 1-11:
· ISELED Interface Board
dsPIC33C® CURIOSITY ISELED® INTERFACE BOARD DEFAULT JUMPER SETTINGS
· ISELED Development Board – Set the power supply jumper to 5V-VEXT.
FIGURO 1-12:
ISELED® DEVELOPMENT BOARD DEFAULT JUMPER SETTINGS
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ISELED® DEVELOPMENT PLATFORM USER’S GUIDE
Chapter 2. Hardware
2.1 HARDWARE FEATURES
The key features of the ISELED Development Platform are listed in the following sections.
2.1.1 Special Microcontroller Considerations
2.1.1.1 3.3V/5V OPERATION
The Microchip ISELED Development Platform is compatible with a multitude of microcontrollers ranging from 8-bit PIC MCUs to 32-bit ARM® MCUs. While the ISELED Smart LEDs require a 5V supply voltage, the ISELED Development Platform can operate at 3.3V or 5V, depending on the requirements of the host MCU.
2.1.2 ISELED Smart LED Driver Each ISELED Smart LED utilizes a built-in, internal driver circuit to communicate with the master MCU. This driver, which is connected to the two ISELED bus pins, SIOP and SION, has the following characteristics:
1. 5V Supply Voltage 2. Idle-High 3. Open Drain 4. Bidirectional Microchip’s ISELED Interface Board (mikroBUS add-on board compatible) has been designed to fulfill these four criteria. The Interface Board functions as the bridge between the master MCU and the ISELED bus/driver. The ISELED Interface Board can be configured to support a wide range of Microchip MCUs. Microchip’s ISELED MCUs use either SPI or UART to generate the required ISELED communication protocol. Note that not all Microchip MCUs are ISELED compatible.
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ISELED® Development Platform User’s Guide
2.1.2.1 ISELED INTERFACE BOARD USE CASE CONFIGURATION OVERVIEW
The table below provides a summary of the possible use cases supported by the various Microchip MCUs.
TABLE 2-1: ISELED® INTERFACE BOARD USE CASE CONFIGURATION OVERVIEW
Uzu Kazon
MCU I/O Characteristics
ISELED® Interface
Idle State Open Drain Supply Voltage Board Configuration
Komentoj
1
Idle High Yes
5V or 3V(1)
J11: P-SPI
Configuration for the PIC18F
J12: N-SPI
and similar devices. Since the
J9: MISO-DIR
PIC18F’s SPI is idle-high, has
J5: MOSI-DIR
an open drain output and is bidi-
J10: SCK-DIR
rectional at 5V, no interface cir-
J6: Open
cuitry is required. Configure the ISELED® Interface Board for a
direct connection between the
MCU SPI I/O and the ISELED
buso.
2
Idle High No
5V
J11: P-SPI J12: N-SPI J9: MISO-DIR J5: MOSI-LS J10: SCK-DIR J6: LS-NON
Configuration for the SAMC21C and similar devices. The SAMC21’s SPI is idle-high and bidirectional at 5V. However, because the SPI output is NOT open drain, configure the ISELED Interface Board to use the level shifter to convert the I/O to open drain.
3
Idle Low Yes or No 5V
J11: P-SPI J12: N-SPI J9: MISO-DIR J5: MOSI-LS J10: SCK-DIR J6: LS-INV
Configuration for the dsPIC33, PIC24F and similar devices. These devices have an SPI that is idle-low. In this instance, the MOSI line must be inverted to force the signal to an idle-high state. Set J5 to MOSI-LS and J6 to LS-INV.
4
Idle High No
3V
J11: P-SPI J12: N-SPI J9: MISO-LS J5: MOSI-LS J10: SCK-LS J6: LS-NON
Microchip devices that only support 3V operation, have an SPI that is idle-high and are not open drain. This set up makes use of level shifters (U2, U5 for 5V-to-3V and U3 for 3V-to-5V).
5
Idle Low No
3V
J11: P-SPI J12: N-SPI J9: MISO-LS J5: MOSI-LS J10: SCK-LS J6: LS-INV
Microchip devices that only support 3V operation, have an SPI that is idle-low and are not open drain. This set up makes use of level shifters (U2 and U5) and an inverter (U4 also functions as 3V-5V shifter).
6
N / A
N / A
5V
J11: P-UART J12: N-UART J9, J5, J10, J6: Open
Most MCU UARTs are compatible with the ISELED driver interface. In this instance, there is no need for external interface circuity. Set J11 and J12 to UART.
Note 1: Although the PIC18 devices are 3.3V and 5V compatible (selectable via the supply jumper on the Curiosity HPC board), 5V is the recommended operating voltage for most ISELED applications.
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FIGURO 2-1:
aparataro
2.1.3 MCU Development Platform Options
2.1.3.1 CURIOSITY HPC AND THE PIC18F25K42 The ISELED Development Platform has been designed to be used in conjunction with the Curiosity HPC development board AND the PIC18F25K42 (target MCU). The Curiosity HPC supports both 3.3V and 5V MCU and ISELED Development Platform operation. For more information concerning the Curiosity HPC, please refer to the following link: www.microchip.com/Developmenttools/ProductDetails/DM164136
CURIOSITY HPC
TABLE 2-2: CURIOSITY HPC KEY FEATURES
nombro
objekton
Priskribo
1
MCU supply voltage selector The Curiosity HPC can supply either 3.3V or 5V to the MCU via a
selectable jumper. For this example, set the jumper to the 5V position.
2
Mikro USB-konektilo
Supply main for the development board. Connect the micro USB con-
nector to the PC. Use MPLAB® X IDE to program the target MCU.
3
Target MCU
The ISELED® Development Platform requires the PIC18F25K42-I/SP
(28-pin DIP). Please note that the PIC18F25K42-I/SP is NOT the
default MCU (PIC16F18875) installed on the Curiosity HPC. The
PIC18F25K42-I/SP must be purchased separately and installed prior to
uzi.
4
mikroBUSTM Add-on Board The MikroElektronika mikroBUS Add-on Standard provides the inter-
norma interfaco
face between the target MCU and the ISELED Interface/Development
Boards. The ISELED Interface Board should be connected to mikro-
BUS position `1′.
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ISELED® Development Platform User’s Guide
2.1.3.2 ATSAMC21-XPRO AND ATMBUSADAPTER-XPRO
The ISELED Development Platform has been designed to be used in conjunction with the ATSAMC21-XPRO development board and the ATMBUSADAPTER-XPRO. The ATSAMC21-XPRO supports both 3.3V and 5V operation; however, it is highly recommended that the system be configured for 5V. This will avoid the necessity to include any “non-standard” supply connections between the ATSAMC21-XPRO and the ATMBUSADAPTER-XPRO.
For more information concerning the ATSAMC21-XPRO and the ATMBUSADAPTER-XPRO, please refer to the following links:
www.microchip.com/DevelopmentTools/ProductDetails/PartNO/ATSAMC21-XPRO
www.microchip.com/DevelopmentTools/ProductDetails/PartNO/ATMBUSADAPTER-XPRO
FIGURO 2-2:
ATSAMC21-XPRO
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FIGURO 2-3:
ATMBUSADAPTER-XPRO
aparataro
TABLE 2-3: ATSAMC21-XPRO AND ATMBUSADAPTER-XPRO KEY FEATURES
nombro
objekton
Priskribo
1
MCU Power jumper
Used for current monitoring. Jumper MUST be installed for proper
development board operation.
2
Debug USB interface
Supply main for the development board. Connect the micro USB con-
nector to the PC. Use Atmel Studio to program the target MCU.
3
3.3V/5V supply selector
The ATSAMC21-XPRO supports both 3.3V and 5V operation; however,
(SAMC21)
it is highly recommended that system be configured for 5V. This will
avoid the necessity to include any “non-standard” supply connections
between the ATSAMC21-XPRO and the ATMBUSADAPTER-XPRO to accommodate a 3.3V MCU and a 5V ISELED® Development Board.
4
EXT header (SAMC21)
Connect the ATSAMC21-XPRO EXT1 to the ATMBUS-
ADAPTER-XPRO EXT header.
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TABLE 2-3: ATSAMC21-XPRO AND ATMBUSADAPTER-XPRO KEY FEATURES (CONTINUED)
nombro
objekton
Priskribo
5
EXT header (Adapter)
Supply main for the development board. Connect the micro USB con-
nector to the PC. Use Atmel Studio to program the target MCU.
6
3.3V / 5V supply selector
The ATMBUSADAPTER-XPRO supports both 3.3V and 5V operation,
(Adaptilo)
however, it does NOT support both voltages simultaneously (without
modification). This voltage is supplied directly by the EXT header which
is connected to the ATSAMC21-XPRO MCU supply voltage. In order to
avoid any “non-standard” supply connections between the
ATSAMC21-XPRO and the ATMBUSADAPTER-XPRO, this jumper
should be set to “5V”.
7
mikroBUSTM Add-on header The ISELED Interface Board is compatible with the MikroElektronika
mikroBUS Add-on Board standard.
2.1.3.3 dsPIC33C CURIOSITY
The ISELED Development Platform has been designed to be used in conjunction with the dsPIC33C Curiosity development board.
For more information concerning the dsPIC33C Curiosity development board, please refer to the following link:
www.microchip.com/Developmenttools/ProductDetails/DM330030
FIGURO 2-4:
dsPIC33C® CURIOSITY DEVELOPMENT BOARD
DS50003043B-page 21
2022 Microchip Technology Inc.
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TABLE 2-4: dsPIC33C® CURIOSITY DEVELOPMENT BOARD KEY FEATURES
nombro
objekton
Priskribo
1
Input supply selector
5V supply input from EXT Power or USB.
2
Mikro-USB-konektilo
Supply main for the development board. Connect the Micro-USB
connector to the PC. Use MPLAB® X IDE to program the target MCU.
3
Target MCU
dsPIC33CK256MP508
4
mikroBUSTM Add-on
The MikroElektronika mikroBUS Add-on Standard provides the inter-
Board standard interface
face between the target MCU and the ISELED® interface/Development
Boards. The ISELED Interface Board should be connected to
mikroBUS position `A’.
2.1.4 ISELED Interface Board
The ISELED Interface Board is compatible with the MikroElektronika mikroBUS Add-on Board standard (see note below). It functions as the gateway between the ISELED Smart LED driver and the master MCU. The ISELED Interface Board contains several level shifters (5V-to-3V and 3V-to-5V) and inverter logic which allows the ISELED Development Board (presented in a later section) to operate with numerous Microchip MCUs. Also refer to Table 2-1 ISELED® Interface Board Use Case Configuration Overview. The ISELED Interface Board is shown below.
FIGURO 2-5:
ISELED® INTERFACE BOARD (TOP)
2022 Microchip Technology Inc.
DS50003043B-page 22
ISELED® Development Platform User’s Guide
FIGURO 2-6:
ISELED® INTERFACE BOARD (BOTTOM)
Note: Refer to the Appendix for additional details concerning the MikroElektronika mikroBUS Add-on Board standard.
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2022 Microchip Technology Inc.
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TABLE 2-5: ISELED® INTERFACE BOARD KEY FEATURES
nombro
objekton
Priskribo
1
SPI/UART configuration
Headers J11 and J12 determine the type of communication interface,
titolaj
SPI or UART, that will be used between the target MCU and the ISELED® devices. Note: Microchip has selected devices that allow
either its SPI or UART to communicate with ISELED.
2
Power supply indicators
The ISELED Interface Board receives both 3.3V and 5V directly from
the mikroBUSTM headers. Two LEDs, LD1 (5V) and LD2 (3.3V), indi-
cate the status of these supplies. An illuminated LED indicates that the
supply is active and present.
3
Alternate ISELED Develop- These connections mirror the connector pins of the ISELED connector
ment Board connections
(J3, bottom side) onto the top side of the board. They can be used to
(soko)
hardwire the ISELED Interface Board to the alternate ISELED Develop-
ment Board connections. These pins are spaced 100mils (2.54mm)
center to center and will require a solder connection between boards.
Note: soldering boards together will greatly increase the mechanical stability between PCBs, especially when multiple ISELED Development Boards are daisy-chained together.
4
Level-shifted/direct-connect The ISELED Development Platform is compatible with both 3.3V and
configuration headers
5V MCUs. Headers J9, J10 and J5 determine the voltage levels of the
SPI/UART signals between the target MCU and the ISELED devices.
Refer to Figure 2-7 and Table 2-1 for more details.
5
Non-inverted/inverted MOSI Header J6 determines the polarity of the MOSI signal between the tar-
kaplinio
get MCU and the ISELED Smart LEDs for MCUs with non-configurable
open-drain I/O. This jumper setting is not required for MCUs like the
PIC18F25K42 that have configuration open-drain I/O.
6
ISELED® master node pull-up Pull-up resistors, R2 and R3 (1k ohm), on the SION and SIOP lines for
rezistiloj
the ISELED master node. These resistors are also present and popu-
lated on the APG00113/APG00114 and are redundant if either of these
boards is used with the ISELED Interface Board. The master pull-up
resistors have been included on the ISELED Interface Board so that
end users can connect their own ISELED boards to the ISELED Inter-
face Board/Curiosity HPC development platform.
7
ISELED® Development
Socket style connector, J3. Primary connection between the ISELED
Estraro konektilo
Interface Board and the ISELED Development Board.
8
mikroBUS Add-on Board con- Headers J1 and J2. The ISELED Development Platform does not uti-
nectors
lize all mikroBUS Add-on Board signals. Refer to Appendix for connec-
tion and usage details.
2022 Microchip Technology Inc.
DS50003043B-page 24
ISELED® Development Platform User’s Guide
FIGURO 2-7:
ISELED® CONFIGURATION HEADERS DIAGRAM
DS50003043B-page 25
2022 Microchip Technology Inc.
FIGURO 2-8:
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2.1.5 ISELED Development Board The ISELED Development Board consists of 10 ISELED Smart LEDs (D1-D10) and an on-board 5V voltage regulator. The ISELED Development Board (see note below) is presented in the following two figures. The board includes the key features outlined in the diagrams below.
ISELED® DEVELOPMENT BOARD (TOP)
FIGURO 2-9:
ISELED® DEVELOPMENT BOARD (BOTTOM)
Note: The Osram variant, APG00113, is pictured above (black soldermask). The Dominant variant, APG00114, is also available in white soldermask.
TABLE 2-6: ISELED® DEVELOPMENT BOARD KEY FEATURES
Numero 1
objekton
Alternate ISELED® board connections (incoming)
Priskribo
These connections mirror the connector pins of the ISELED connector (J1, bottom side) onto the top side of the board. They can be used to directly wire the ISELED Development Board to the alternate ISELED Interface Board or the next development board connections in the series. These pins are spaced 100 mils (2.54 mm) center to center and will require a solder connection between boards.
2
ISELED Smart LED
Ten ISELED Smart LEDs (D1-D10) reside on the ISELED Development
Board. Each Smart LED consists of one red, green and blue LED which
form a “pixel”, which is then intelligently controlled by the ISELED smart
RGB LED driver.
3
Standoff Hole
Hole for optional standoff to provide supplemental support to the ISELED Development Board. The hole will accommodate an M3 (#4) screw, 0.75″ standoff.
4
Alternate ISELED board con- These connections mirror the connector pins of the ISELED connector
nections (outgoing)
(J2, bottom side) onto the top side of the board. They can be used to
directly wire the ISELED Development Board to the next alternate
ISELED Development Board connections in the series. These pins are
spaced 100 mils (2.54 mm) center to center and will require a solder
connection between boards.
5
ISELED connector (plug)
Plug style connector, J1. Primary connection interface between the
ISELED Development Board and ISELED Interface Board or next
development board in the series.
6
Ekstera elektra fanto
J5, max supply voltage 6-12V. Power jack connector – 2.5vmm inner
diameter x 5.5mm outer diameter.
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DS50003043B-page 26
ISELED® Development Platform User’s Guide
TABLE 2-6: ISELED® DEVELOPMENT BOARD KEY FEATURES (CONTINUED)
nombro
objekton
Priskribo
7
5V supply selector
Header, J3. Switches between the external 5V supply, VEXT_5V, which is sourced by the Curiosity HPC USB (or previous ISELED Development Board if not master ISELED) AND the on-board regulated 5V supply, VREG_5V, which is sourced by external DC power supply, VJACK.
8
On-board 5V regulator
MIC29501-5.0WU, 5V output, 5A max. Supply input from J5 (DC power
jack).
9
ISELED connector (socket) Plug style connector, J2. Primary connection interface between the one
ISELED Development Board and the next ISELED Development Board
en la serio.
10
5V supply indicator LED
Supply indicator, LD1. Source – VEXT_5V or VREG_5V as determined
by the state of the 5V Supply Selector, J3. An illuminated LED indicates
that the 5V supply is active.
11
ISELED master pull-up resis- The ISELED master pull-up resistors, R2 and R3, are populated on
tordita
each development board. Remove R2 and R3 from all ISELED Devel-
opment Boards in the series other than the master board (1st board in
the chain).
2.1.5.1 5V SUPPLY SELECTOR
TABLE 2-7: ISELED® DEVELOPMENT BOARD SUPPLY OPTIONS
potenco Importa
Eniro
External Board Power 5V USB from Curiosity HPC 5V Regulated from previous ISELED® Development Board
DC-elektroprovizo
7V MAX AC/DC converter or DC power supply
Max Current Connector
500 mA
J1
5A
J1
5A
J5
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2022 Microchip Technology Inc.
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2.2 HARDWARE CONFIGURATION OPTIONS
The ISELED Development Platform is a highly configurable development tool. It can be used as a standalone ISELED demonstrator using pre-compiled firmware examples from Microchip or it can be configured specifically for user developed hardware and firmware.
2.2.1 Curiosity HPC Controller Board
1. Replace the PIC16F18875 on the Curiosity HPC with the PIC18F25K42 (target MCU).
2. Set the Curiosity HPC MCU supply jumper to the 5V position. 3. Program the target MCU with the desired firmware using MPLAB X IDE. 4. Attach the ISELED Interface Board to the mikroBUS socket #1. 5. Place the nylon screw through the standoff support hole on the ISELED Devel-
opment Board and attach the 0.75″ nylon standoff to the screw. 6. Connect the ISELED Development Board plug connector, J1, to the ISELED
Interface Board socket connector, J3. 7. Configure the ISELED Interface Board jumpers.
– Refer to Section 1.3.1.1 “Default Jumper Settings”. 8. Configure the ISELED Development Board jumpers.
– Refer to Section 1.3.1.1 “Default Jumper Settings”.
2.2.2 ATSAMC21-XPRO Controller Board
1. Verify that the Power Supply jumper is installed. 2. Set the VCC MCU supply jumper to 5.0V. 3. Connect the ATSAMC21-XPRO USB connector to the PC. 4. Connect the ATBUSADAPTER-XPRO EXT connector to EXT1 on the
ATSAMC21-XPRO. 5. Program the target MCU with the desired firmware using Atmel Studio 7. 6. Attach the ISELED Interface Board to the mikroBUS socket on the ATBUS-
ADAPTER-XPRO. 7. Place the nylon screw through the standoff support hole on the ISELED Devel-
opment Board and attach the 0.75″ nylon standoff to the screw. 8. Connect the ISELED Development Board plug connector, J1, to the ISELED
Interface Board socket connector, J3. 9. Configure the ISELED Interface Board jumpers.
– Refer to Section 1.3.2.1 “Default Jumper Settings”. 10. Configure the ISELED Development Board jumpers.
– Refer to Section 1.3.2.1 “Default Jumper Settings”.
2.2.3 dsPIC33C Curiosity Controller Board
1. Verify that the Power Supply jumper is installed. 2. Set the power supply jumper, J11, to +5V USB Power. 3. Connect the dsPIC33C Curiosity USB connector to the PC. 4. Program the dsPIC33CK256MP508 with the desired firmware using MPLAB X
IDE. 5. Attach the ISELED Interface Board to the mikroBUS socket A. 6. Place the nylon screw through the standoff support hole on the ISELED Devel-
opment Board and attach the 0.75″ nylon standoff to the screw.
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ISELED® Development Platform User’s Guide
7. Connect the ISELED Development Board plug connector, J1, to the ISELED Interface Board socket connector, J3.
8. Configure the ISELED Interface Board jumpers. – Refer to Section 1.3.3.1 “Default Jumper Settings”.
9. Configure the ISELED Development Board jumpers. – Refer to Section 1.3.3.1 “Default Jumper Settings”.
DS50003043B-page 29
2022 Microchip Technology Inc.
ISELED® DEVELOPMENT PLATFORM USER’S GUIDE Chapter 3. Software
For details concerning software, please refer to www.microchip.com/iseled for updates or contact local sales.
2022 Microchip Technology Inc.
DS50003043B-page 30
ISELED® DEVELOPMENT PLATFORM USER’S GUIDE
Chapter 4. Troubleshooting Common Problems
4.1 ISELED SMART LEDS DO NOT ILLUMINATE
4.1.1 Target MCU Firmware Ensure that the target MCU, PIC18F25K42, has been programmed with the correct firmware.
4.1.2 Jumper Settings Check the ISELED Interface Board jumper placement and verify that the settings are correct for your configuration – SPI/UART, LS/DIR, etc.
4.1.3 mikroBUS Socket Verify that the ISELED Interface Board is connected to mikroBUS socket labeled “1”.
4.1.4 Elektroprovizo
4.1.4.1 EXT CONNECTION If the ISELED Development Board is to receive power from the Curiosity HPC (or previous ISELED Development Board), verify that a jumper has been placed onto J4 of the ISELED Interface Board AND the jumper setting on J3 of the ISELED Development Board is set to VEXT.
4.1.4.2 DC SUPPLY CONNECTION If the ISELED Development Board is receive power from a DC power supply, verify that the DC supply is connected to J5 AND the jumper setting on J3 of the ISELED Development Board is set to VREG.
4.1.4.3 INSUFFICIENT POWER SUPPLY The selected supply cannot support the current load of the string of ISELED Smart LEDs. Increase the current capability of the power source OR power each ISELED Development Board separately. To do this, set the jumper across J3 to VREG on each ISELED Development Board. Attach DC power supplies to J5, the power jack.
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DS50003043B-page 31
ISELED® DEVELOPMENT PLATFORM USER’S GUIDE Chapter 5. Appendix
5.1 mikroBUS ADD-ON HEADER 5.1.1 mikroBUS Add-On Header Pinout
FIGURO 5-1:
MIKROBUSTM ADD-ON HEADER PINOUT
Additional details concerning the mikroBUS standard can be found at: www.mikroe.com/mikrobus.
5.1.2 mikroBUS Add-On Board Pin Usage The pin usage is summarized in the table below:
TABLE 5-1:
NC NC NC SCK MISO MOSI 3V3 GND
ISELED® INTERFACE BOARD TO MIKROBUSTM CONNECTIONS Header
J1
J2
NC NC RX
TX NC NC 5V GND
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DS50003043B-page 32
5.2 SCHEMATICS
FIGURO 5-2:
ISELED® INTERFACE BOARD SCHEMATIC
apendico
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DS50003043B-page 33
FIGURO 5-3:
ISELED® DEVELOPMENT BOARD SCHEMATIC
apendico
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DS50003043B-page 34
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