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boards:h503 [2024/09/20 14:54] – darronboards:h503 [2024/10/16 13:18] (current) – [Pinout] darron
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 PA3 USART3 RX VCP RX PA3 USART3 RX VCP RX
 PA4 USART3 TX VCP TX PA4 USART3 TX VCP TX
-</code> 
  
-<code> 
 PC13 BUTTON PC13 BUTTON
 PA5  LED GREEEN PA5  LED GREEEN
-</code> 
  
- 
- 
-<code> 
 LSE X2 32.768 KHz  LSE X2 32.768 KHz 
 HSE X3 NX2016SA 24 MHz HSE X3 NX2016SA 24 MHz
 </code> </code>
  
 +<code>
 +Arduino compatible headers
 +
 +                 PB6  D15 I2C1 SCL
 +                 PB7  D14 I2C1 SDA
 +                      AVDD
 +NC                    GND
 +IOREF        LED PA5  D13 SPI1 SCK
 +RESET            PA6  D12 SPI1 MISO     
 +3V3              PA7  D11 SPI1 MOSI
 +5V               PC9  D10 SPI1 CS
 +GND              PC6  D9
 +GND              PC7  D8
 +VIN
 +                 PA8  D7
 +                 PB10 D6
 +AD0 PA0          PB4  D5
 +AD1 PA1          PB5  D4
 +AD2 PA2          PB3  D3
 +AD3 PB0          PA10 D2
 +AD4 PC1          PB14 D1  USART1 TX
 +AD5 PC0          PB15 D0  USART1 RX
 +</code>
 ===Resources=== ===Resources===
  
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 [[https://www.st.com/resource/en/reference_manual/rm0492-stm32h503-line-armbased-32bit-mcus-stmicroelectronics.pdf|MCU reference manual]] [[https://www.st.com/resource/en/reference_manual/rm0492-stm32h503-line-armbased-32bit-mcus-stmicroelectronics.pdf|MCU reference manual]]
 +
 +[[https://www.st.com/resource/en/errata_sheet/es0561-stm32h503cbebkbrb-device-errata-stmicroelectronics.pdf|MCU errata]]