STM32-P207 development board USER`S MANUAL
Contents
1. RRO 229 37 c26 E Gs Dae E 3 9e2 R24 3 R220 2 fae hoe Jumpers Description SD MMC Card Slot Page 10 of 32 2012 STM32 P207 User s Manual CHAPTER 4 THE STM32F207ZET6 MICROCONTROLLER 4 Introduction to the chapter In this chapter is located the information about the heart of STM32 P207 its microcontroller The information is a modified version of the datasheet provided by its manufacturers 4 1 The microcontroller Core ARM 32 bit Cortex M3 CPU with Adaptive real time accelerator ART Accelerator allowing 0 wait state execution performance from Flash memory frequency up to 120 MHz memory protection unit 150 DMIPS 1 25 DMIPS MHz Dhrystone 2 1 Memories 512 Kbyte of Flash memory 512 bytes of OTP memory 128 112 16 4 Kbytes of SRAM Flexible static memory controller that supports Compact Flash SRAM PSRAM NOR and NAND memories LCD parallel interface 8080 6800 modes m Clock reset and supply management From 1 65 to 3 6 V application supply and I Os POR PDR PVD and BOR 4 to 26 MHz crystal oscillator Internal 16 MHz factory trimmed RC 1 accuracy at 25 C 32 kHz oscillator for RTC with calibration Interna2. 5UDC_only BUZZER TRIMMER 640x480 UGA CAMERA TEMPERATURE SENSOR CAN DRIVER AUDIO OUT SD MMC CARD Set up in SPI Mode RS232 DRIVERS STATUS LED INDIC 5 BUTTONS Page 30 of 32 2012 STM32 P207 User s Manual 8 2 Physical dimensions Note that all dimensions are in inches 000702 92270 00670 00987 GETZ STS c S60 22 0 000 0 000 8 138 0 425 8 230 8 410 1 343 2 645 1 mog m 551 c3C24 mcou LCS Ce n 3 628 n Ea Tem 3 800 E en c3 TES 4 400 4 410 5 120 A r6 5 475 H
3. 5 875 6 175 6 309 Page 31 of 32 2012 STM32 P207 User s Manual CHAPTER 9 REVISION HISTORY 9 Introduction to the chapter In this chapter you will find the current and the previous version of the document you are reading Also the web page for your device is listed Be sure to check it after a purchase for the latest available updates and examples 9 1 Document revision Pages 9 2 Web page of your device The web page you can visit for more info on your device is http www olimex com dev stm32 p207 html There you can find more info and some examples ORDER CODES STM32 P207 completely assembled and tested ARM USB TINY for custom programming debugging ARM USB TINY H for custom programming debugging USB MINI CABLE USBmini to USB A cable ARM JTAG SWD SWD adapter for our ARM JTAG programmers How to order You can order to us directly or by any of our distributors Check our webpage http www olimex com for more info Page 32 of 32
4. PALO EY 0 ros PB2 E3 0 gt PBS pris PBS PB10 Ef rss PB12 PB13 2012 STM32 P207 User s Manual ssec Lee sires ve ac PC13 BUT TAMPER PD Ore 1 2 PES Ey PE4 PES F1 C1 PEE Gy prs PE PES gt PES 0 500 VREF E v 3 3VA FY TEMP_ALERT USB HS VBUSON AA 6 4 USB OTG Signal Name je Page 17 of 32 2012 STM32 P207 User s Manual 6 5 USB HOST PIN SIGNAL NAME je 6 6 LAN connector PIN SIGNAL NAME Co Page 18 of 32 OLIMEXO 2012 STM32 P207 User s Manual 6 7 PWR Jack Signal Name Power Input ES ZEE 6 8 Headphones connector 6 9 SD MMC slot Signal Name Page 19 of 32 2012 STM32 P207 User s Manual 6 10 RS232 1 RS232 1 is located USARTO SPI3 line Check the jumper configuration Pin Signal Name Not Connected 2 T1OUT aw EN Not Connected CTS Not Connected 6 11 RS232 2 RS232 2 is located on USART3 processor pins D13 D14 A17 A16
5. 1 ____5 bank4 PC FSMC bank FSMC banki NOWPSRAM 2 RNG Reserved 058 OTG FS Reserved ETHERNET Reserved Reserved Flash interface _Reset clock controller Reserved Reserved Poort Po Port Porte _____ _____ Reserved PIM J Reserved sn Reserved Reserved ADC ADC Reserved Reserved _____ 2 Page 28 of 32 2012 STM32 P207 User s Manual CHAPTER 8 SCHEMATICS 8 Introduction to the chapter In this chapter are located the schematics describing logically and physically STM32 P207 8 1 Eagle schematic STM32 P207 schematic is visible for reference here You can also find them on the web page for STM32 P207 at our site http www olimex com dev stm32 p207 html They are located in HARDWARE section The EAGLE schematic is situated on the next page for quicker reference Page 29 of 32 STM32 P207 User s Manual OLIMEXO 2012 LCD BACKLIGHT CIRCUIT COLOUR LCD MODULE POWER SUPPLY CIRCUIT USB_HOST USB CIRCUIT
6. STM32 P207 development board USER S MANUAL Initial release February 2012 Designed by OLIMEX Ltd 2011 lead free All boards produced by Olimex LTD are ROHS compliant 2012 STM32 P207 User s Manual Disclaimer 2012 Olimex Ltd Olimex logo and combinations thereof are registered trademarks of Olimex Ltd Other terms and product names may be trademarks of others The information in this document is provided in connection with Olimex products No license express or implied or otherwise to any intellectual property right is granted by this document or in connection with the sale of Olimex products Neither the whole nor any part of the information contained in or the product described in this document may be adapted or reproduced in any material from except with the prior written permission of the copyright holder The product described in this document is subject to continuous development and improvements All particulars of the product and its use contained in this document are given by OLIMEX in good faith However all warranties implied or expressed including but not limited to implied warranties of merchantability or fitness for purpose are excluded This document is intended only to assist the reader in the use of the product OLIMEX Ltd shall not be liable for any loss or damage arising from the use of any information in this document or any error or omission in such information or any incorrect use of t
7. TX_BOOT_E If closed separates USART6_TX and PC10 Default state is open RD RX BOOT E If closed separates USART6 and 11 Default state is open RO 3 3V E Board s digital power supply is disabled if open Enabled if closed Default state is open NM AGND E Page 24 of 32 2012 STM32 P207 User s Manual Analog GND is disabled if open If closed Analog GND is enabled Default state is closed HJ R T RST and TRST are separated if open RST and TRST are connected if closed Refer to the schematic near the JTAG connector for how this jumper influences the JTAG programming of the board Default state is open RD CAN T Can termination is disabled if open Default state is open 6 15 LCD Display with backlight replica of Nokia 6610 color display 128x128 pixels 6 16 VGA Color Camera 640x480 pixels 0 3 mega pixel Samsung 700 camera connector Page 25 of 32 2012 STM32 P207 User s Manual 6 17 Additional hardware components The components below are mounted on STM32 P207 but are not discussed above They are listed here for completeness Joystick Temperature sensor Audio out Trimmer Buzzer Additional memory 2 buttons RST button 4 status LEDs PWR LED Page 26 of 32 2012 STM32 P207 User s Manual CHAPTER 7 MEMORY 7 Introduction to the chapter On the next page you can find a memory map for this fa
8. hardware COMpPONENEG cc sccceccsssccssscscsscssccseccsscscsccsssecessccssssssssescesseeseees 26 7 Introduction to the reris aou ee bl eb eere res eni ebbe ebd 27 7 1 28 8 Introduction to the chapters OMM eun rA NEN Rao 29 8 1 Eagle scheniatie 29 8 2 Physical dimenslolis 31 9 Introduction to the Chapter 32 9 1 Doc rent TEVISION o deer vrbe En Pto 32 9 2 Web page of your m 32 Page 4 of 32 2012 STM32 P207 User s Manual CHAPTER 1 OVERVIEW 1 Introduction to the chapter Thank you for choosing the STM32 P207 development board from Olimex This document provides a User s Guide for the Olimex STM32 P207 development board As an overview this chapter gives the scope of this document and lists the board s features The document s organization is then detailed The STM32 P207 development board enables code development of applications running on the M3 CORTEX STM32F207ZET6 microcontroller manufactured by STMicroelectronics 1 1 Features CPU STM32F207ZET6 120Mhz 32 ARM based microcontroller with 512 KB Flash 128 112416 KB RAM USB HS and USB HS Ethernet 14 time
9. 4002 2000 04002 23FF Port 0x4002 1600 04002 1 FFF 0x4002 1800 04002 1BFF Port F 0 4002 1400 0x4002 17FF Port E 0 4002 1000 04002 13FF PotD 0x4002 0000 0x4002 OFFF Port 0 4002 0800 04002 Port B 0x4002 0400 04002 07FF Port A 0x4002 0000 0x4002 03FF Reserved 0x4001 4200 0x4001 FFFF 0 4001 4800 0x4001 4 10 0 4001 4400 04001 47 TIMO 0 4001 4000 0x4001 43FF 0x4001 3000 0x4001 3FFF SYSCFG Ox4001 3800 04001 Rosorved 0 4001 3400 04001 37FF SPIT 0x4001 3000 0x4001 OxFFFF Moyie SDIO 0x4001 2000 0x4001 block 7 Reserved 0x4001 2800 0x4001 Cortex M3 s Reserved 0x4001 2400 0x4001 27 FF internal ADC1 ADC2 ADCS 0x4001 2000 04001 23FF 0 000 00004 peripherals Reserved 0x4001 1800 4001 1FFF OxDFFF FFFF USARTS 0 4001 1400 0x4001 17FF 512 Mbyte USART1 0x4001 1000 0x4001 block 6 Reserved 0x4001 0800 0 4001 OFFF Not used 7 PWMZ 0x4001 0400 0 4001 07FF 0xC000 0000 0x4001 0000 04001 FFFF Reserved 0x4000 7800 0x4000 FFFF 512 Mbyte DACI DAC2 0x4000 7400 0x4000 77FF PWR 04000 7000 04000 73FF Reserved 04000 6 00 0x4000 BxCAN2 0x4000 6800 0x4000 6BFF Ox4000 6400 4000 67FF 512 Mbyte Reserved 04000 6000 0 4000 63FF block 4 1203 0x4000 5200 0x4000 FSMC bank 3 1202 0 4000 5800 0x4000 5 a
10. SCRIPTION 3 Introduction to the chapter Here you get acquainted with the main parts of the board Note the names used on the board differ from the names used to describe them For the actual names check the STM32 P207 board itself 3 1 Layout top view Camera 3V Battery connector RST_E and CAN connector UEXT connector RS232_1 RS232_2 BOOTO_E LAN Ethernet m MOUNT HOLE USB OTG Button RESET Ej GPIO USB Host _ __ E Boot mode JUMPER JTAG 20 pin 4 LEDs PWR LED MOUNT HOLE PWR JACK LCD Display Button TAMPER Button WKUP Joystick Trimmer AN_TR Headphone jack PWR_SEL Page 9 of 32 OLIMEXO 2012 STM32 P207 User s Manual 3 2 Layout bottom view n SAM p 11 GHEE 2135 miki HH OLIMEX COH Hh IIIJ a GLEJ ces RSeE e RU 9 Ut 5836 4 n vig 27 aed t 945 a2 See
11. Signal Name Not connected Page 20 of 32 2012 STM32 P207 User s Manual N ENL MM Lem eem 1 6 12 CAN connector me Sate je em oo Page 21 of 32 OLIMEXO 2012 STM32 P207 User s Manual 6 13 Battery connector 6 14 Jumper description Most of the jumper configurations are printed with white print on the PCB for your convenience PWR_SEL On the setting of this jumper depends the way we power the board There is a table printed on the board with the positions You can check the table below also Position 1 2 is the one at the PWR connector side PWR_SEL Default position is 3 4 Page 22 of 32 2012 STM32 P207 User s Manual STAT1_E STAT2_E STAT3_E STAT4_E Those 4 jumpers control whether the LEDs powered closed or Default state is closed 0 Connected to 138 BOOTO VPP enables boot if closed Default state is open RST_E Controls the RST on the RS232_1 If closed is present Default state is not present Default state is open B1_1 B1_0 B0_1 B0_0 These jumpers should be moved together and control the camera being powered Default state is 1 0 0 camera powered Page 23 of 32 OLIMEXO 2012 3 3V_MCU_EN When closed enables the power supply on the STM32F207ZET Default state is closed STM32 P207 User s Manual
12. Ure pue eua uM 11 AA The C PS DR 11 5 t 13 CONTROL CIRCUITY 13 5 Introduction to the cliapt r 13 NM CIO AE M s X M 13 D2 i iro et M T Mc M 13 CHAPTER c siin 14 14 6 Introduction 14 MEIN ieri curre 14 29 49 15 6 3 16 G4 USB OTCO a m iet m MINE 17 6 5 USB HOSTE 18 6 0 EJXIN CODDEE GDE T 18 Page 3 32 OLIMEXO 2012 STM32 P207 User s Manual 6 7 Ee WW Ta 19 6 8 19 6 9 SD MMC ClO 19 6 10 5 232 Y 20 01185232 E EE 20 6 12 CAN CONIICIU L ieri per 21 6 13 Battery 552 22 6 14 Jumper 22 6 15 LCD Display with back 25 6 16 Color SPORE VR 25 6 17 Additional
13. and jumper description Chapter 7 shows the memory map Chapter 8 provides the schematics Chapter 9 contains the revision history Page 6 of 32 2012 STM32 P207 User s Manual CHAPTER 2 SETTING UP THE STM32 P207 BOARD 2 Introduction to the chapter This section helps you set up the STM32 P207 development board for the first time Please consider first the electrostatic warning to avoid damaging the board then discover the hardware and software required to operate the board The procedure to power up the board is given and a description of the default board behavior is detailed 2 1 Electrostatic warning STM32 P207 is shipped in a protective anti static package The board must not be exposed to high electrostatic potentials A grounding strap or similar protective device should be worn when handling the board Avoid touching the component pins or any other metallic element 2 2 Requirements In order to set up the STM32 P207 the following items are required 5 Power supply or or SWD 5V TRACE or 5V CAN or 5V_USB depending PWR_SEL jumper position SWD interface programmer Note additionally the board can be programmed via JTAG interface but there are signals multiplexed with the LCD and the audio so if using JTAG interface for programming you might need to implement a software mechanism to stop them or you might not be able to reprogram again You may use a pair of the following
14. devices for this purpose Any of Olimex s ARM JTAG programmer debuuger keeping in mind the note above Any of Olimex s ARM JTAG programmer debugger ARM JTAG SWD Rowley CrossWorks Also a host based software toolchain is required in order to program debug the STM32 P207 board There are also a number of ready IDEs available like AR Embedded Workbench Rowley CrossWorks etc At the moment of writing this guide our ARM programmers debuggers equipped with an ARM Page 7 of 32 2012 STM32 P207 User s Manual JTAG SWD work fine out of the box with Rowley CrossWorks 2 3 Powering the board Provide 5 V DC to the board s power jack OR 5 V via the JTAG or TRACE connector before providing the power set the PWR_SEL jumper in the correct position On powering the board the PWR LED the SATA4 LED and the display should turn on The SATA1 SATA2 and SATA3 LEDs must start blinking consecutively If measuring the current consumption it should be around 30 mA 2 4 Prebuilt software On arrival the board has a basic demo installed which features test of the LEDs the LCD the joystick the camera IMPORTANT If you have only a programmer with JTAG interface and you need to turn off the peripherals using the signals press WKUP button Pressing WKUP button will turn of those modules and will allow JTAG reprogramming Page 8 of 32 2012 STM32 P207 User s Manual CHAPTER 3 STM32 P207 BOARD DE
15. he product Thank you for purchasing STM32 P207 development board assembled by OLIMEX LTD Page 2 of 32 2012 STM32 P207 User s Manual Table of Contents CHAPTER T indie E EU 5 OVERVIEW 5 1 Introduction to the 5 EAR GARIN N 5 1 2 H 6 CHAP udi 7 SETTING UP THE STM32 P207 441 4 47 47 47 7 2 Introduction to the Chapter 7 2 1 Electrostatic 7 2 2 C 7 2 3 Powering the einer aeui 8 2 4 ANC Ginn HII DEL on va Ya bees Libere on 8 CHAPTER rc ieas 9 STM32 P207 BOARD eee ee e tette 9 3 Introduction to the chapter iie ich perte AERIAL 9 3 1 Layout top view dap 9 3 2 Layout Dottanr 10 4 55 11 THE STM32F207ZET6 MICROCONTROLLEXR 11 A Introduction to the terea seni e
16. l 32 kHz RC with calibration m Low power Sleep Stop and Standby modes VBAT supply for RTC 20 x 32 bit backup registers and optional 4 KB backup SRAM 3 x 12 bit 0 5 ps A D converters 24 channels 6 MSPS in triple interleaved mode m 2 x 12 bit D A converters m General purpose DMA 16 stream DMA controller with centralized FIFOs and burst support Page 11 of 32 2012 STM32 P207 User s Manual m 14 timers Debug mode Serial wire debug SWD amp JTAG interfaces Cortex M3 Embedded Trace Macrocell m Up to 114 ports with interrupt capability Communication interfaces 3 interfaces SMBus PMBus Up to 4 USARTs and 2 UARTS 7 5 Mbit s ISO 7816 interface LIN IrDA modem control 3 SPIs 30 Mbit s 2 with muxed I2S to achieve audio class accuracy via audio PLL or external PLL 2 CAN interfaces 2 0B Active SDIO interface Advanced connectivity USB 2 0 full speed device host OTG controller with on chip PHY USB 2 0 high speed full speed device host OTG controller with dedicated DMA on chip full speed PHY and ULPI 10 100 Ethernet MAC with dedicated DMA supports IEEE 1588v2 hardware MII RMII m 8 to 14 bit parallel camera interface up to 48 Mbyte s m CRC calculation unit 96 bit unique ID m Analog true random number generator For comprehensive information on the microcontroller visit the Microchip s web page for a datashee
17. mily of processors It is strongly recommended to refer to the original datasheet released by STMicroelectronics for one of higher quality Page 27 of 32 OLIMEXO 2012 7 1 Memory map STM32 P207 User s Manual Reserved FSMC control register PC Card FSMC bank3 2 FSMC bank2 NANDT FSMC banki NOR PSRAM 4 FSMC banki 3 FSMC banki 2 FSMC bank 1 0 000 1000 OxBFFF 0 000 0000 0xA000 0x9000 0000 OxOFFF FFFF 0 8000 0000 OxBFFF FFFF 0 7000 0000 0x7 FFF FFFF 0 6 00 0000 Ox6FFF 0 6800 0000 Ox6BFF FFFF 0x6400 0000 0x67FF FFFF Ox6000 0000 Ox63FF FFFF Reserved 0x5006 1000 OxSFFF 0x5006 0800 05006 OFFF 252776 0x5005 0400 05006 DCMI 05005 0000 05005 03FF Reserved 0x5004 0000 0x5004 OFFF USB FS 05000 0000 05003 FFFF Rosorved 0x4002 9400 Ox4FFF FFFF USB OTG HS 0 4004 0000 04007 FFFF Reserved 0x4002 9400 04003 FFFF ETHERNET 0x4002 8000 04002 Reserved 0 4002 6800 04002 0 4002 6400 04002 67FF DMAT 0x4002 6000 04002 63FF Reserved 0 4002 5000 04002 BKPSRAM 0x4002 4000 04002 Flash interface 0 4002 3000 4002 Reset clock controller RCC 0x4002 3800 0x4002 Reserved 0x4002 9400 04002 37FF 0 4002 3000 04002 33FF Reserved 0x4002 2400 04002 Fori Ox
18. mp bank 1221 04000 5400 0x4000 57 022000 0090 UARTS 04000 5000 04000 5 512 Mbyte UARTA 04000 4 00 0 4000 block 3 USARTS 0x4000 4800 04000 4 FSMC banki USART2 04000 4400 0x4000 47FF amp bank Reserved 04000 4000 0x4000 43FF 0 6000 0000 13 2 3 0 4000 3 00 04000 3FFF OxSFFF FFFF 5 121252 04000 3800 4000 512 Mbyte Reserved 0 4000 3400 0 4000 37FF block 2 IWDG 0x4000 3000 0x4000 38FF Peripherals WWDG 0x4000 2000 0x4000 2FFF amp registers 04000 2800 04000 2BFF Reserved 0x4000 2400 0x4000 27FF 512 Mbyte 04000 2000 04000 23FF Ox2002 00002 3 TIMIS 0x4000 1C00 0x4000 1 FFF SRAM SRAM 16 aliased 0 2001 C000 0x2001 FFFF 2 024000 1800 4000 1BFF by bit banding TIM 0 4000 1400 Ox4000 17FF SRAM 112 KB aliased 0x2aQp 0000 0x2001 04000 1000 0x4000 13FF 512 Mbyte by bit banding 04000 0000 0x4000 block 0 04000 0800 04000 Code Ox FFEC008 S OxiF EE TIMS 0 4000 0400 0x4000 07FF 905000090 C000 Oxi FFF C007 TIM2 04000 0000 04000 lox FFF 7A10 OXtFFF 7FFF lox1FFF 0000 0x1FFF 7 0 0810 0000 OxOF FF FFFF 0000 FEFF 0 0001 C000 7 FFFF Aliased to Flash system memory or SRAM depending 0x0000 0000 0 000 FFFF on the BOOT pins ai17615b 2 4
19. rs 3 SPI 3 I2C Ethernet 2 CANs 3 12 bit ADCs 2 12 bit DACs 114 GPIOs Camera interface TAG connector with ARM 2x10 pin layout for programming debugging e 512 KB fast external SRAM on board 4Status LEDs Stereo Audio Codec 54344 CAN driver Temperature sensor Trimmer potentiometer Joystick for navigation e 6610 LCD color 128x128 pixel TFT display e SAMSUNG E700 VGA camera 640x480 color Tamper and Wakeup buttons e 2 5232 drivers and connectors 25 Mhz quartz crystal USB USB HOST 100 Mbit Ethernet Mini SD MMC card connector Page 5 of 32 OLIMEXO 2012 STM32 P207 User s Manual UEXT connector Power Jack RESET button and circuit Power on led 3V battery connector Extension port connectors for many of microcontrollers pins PCB FR 4 1 5 mm 0 062 soldermask silkscreen component print Dimensions 160x116 mm 6 3x4 6 1 2 Organization Each section in this document covers a separate topic organized as follow Chapter 1 is an overview of the board usage and features Chapter 2 provides a guide for quickly setting up the board Chapter 3 contains the general board diagram and layout Chapter 4 describes the component that is the heart of the board the STM32F207ZET6 microcontroller Chapter 5 is an explanation of the control circuitry associated with the microcontroller to reset Also shows the clocks on the board Chapter 6 covers the connector pinout peripherals
20. t At the moment of writing the microcontroller datasheet can be found at the following link http www st com internet com TECHNICAL RESOURCES TECHNICAL LITERATURE DAT ASHEET CD00237391 pdf If the Cortex M3 processor listed above seem to lack the power or the memory for the application you want to run we have the same board offered with Cortex one STM32F407ZGT6 The name of the board is STM32 P407 The table of comparison can be found below ERR STM32F207ZET6 STM32F407ZGT6 Page 12 of 32 2012 STM32 P207 User s Manual CHAPTER 5 CONTROL CIRCUITY 5 Introduction to the chapter Here you can find information about reset circuit and quartz crystal locations 5 1 Reset STM32 P207 reset circuit includes R65 10 R66 560 0 C45 100 nF STM32F207ZET pin 25 NRST and a RESET button The RESET is also connected to the proto area 5 2 Clock 25 MHz quartz crystal Q1 is connected to pins 23 and 24 of the processor Real time clock RTC Q2 is found at pins 8 and 9 of the processor Page 13 of 32 2012 STM32 P207 User s Manual CHAPTER 6 HARDWARE 6 Introduction to the chapter In this chapter are presented the connectors that can be found on the board all together with their pinout Proto area is shown Jumpers functions are described Notes and info on specific peripherals are presented Notes regarding the interfaces are given 6 1 JTAG connector The 20 pin connec
21. tor provides the interface for or and SWD TRACE programming debugging It is advisable to use SWD TRACE interface programmers JTAG SWD interface xm E xm a aoe Pee Page 14 of 32 2012 STM32 P207 User s Manual pe eem e e USB_HS_VBUSON Dm fee eem eme Dm De px pem 6 2 UEXT STM32 P207 board has UEXT connector and can interface Olimex s UEXT modules For more information on UEXT please visit http www olimex com dev OTHER UEXT pdf Signal Name DCMI_D USART6_TX USART6_RX Page 15 of 32 OLIMEXO 2012 SOFTWARE SCL SOFTWARE SDA SD D3 USART3 RX SPI3 MISO SD_CLK SPI3_MOSI SD D2 USART3 TX SPI3 SCK STAT3 CS UEXT 6 3 Pads on the proto area STM32 P207 User s Manual For your convenience the pads are named individually near each of them Please take extra care about the numbering but consider that there might be an offset pre uo Pes muse ____ m _ ow foo ree ree fice es _ Dm ues fens Page 16 of 32 3 39 s PAG 4 0 Pas E31 0 0
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