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boards:stm32f4 [2022/11/05 12:35] – [Pinout] darronboards:stm32f4 [2022/11/23 16:13] (current) – [Clocks] darron
Line 49: Line 49:
 GND  49 50 GND AUDIO OUT USB OTG    GND   49 50 GND GND  49 50 GND AUDIO OUT USB OTG    GND   49 50 GND
  
-I2C1 SCL PB6 PB8 +USART2 TX   PA2 
-ICC1 SDA PB7 PB9+USART2 RX   PA3 
 + 
 +I2C1   SCL  PB6 PB8 
 +ICC1   SDA  PB7 PB9 
 + 
 +SPI1   CLK  PA5 
 +SPI1   MISO PA6 
 +SPI1   MOSI PA7
 </code> </code>
  
Line 57: Line 64:
 BOTH jumpers on: ST-LINK on board enabled, CN2 SWD disabled. BOTH jumpers on: ST-LINK on board enabled, CN2 SWD disabled.
 BOTH jumpers off: ST-LINK on board disabled, CN2 SWD enabled. BOTH jumpers off: ST-LINK on board disabled, CN2 SWD enabled.
 +</code>
 +
 +There are different revisions of this board and the sample here 
 +is the MB997C. One difference between this and the original board
 +revision MB997B is that they changed the MEMS sensor from the
 +LIS302DL to the LIS3DSH. The LIS3DSH is now obsolete and has been
 +replaced by the LIS3DH.
 +
 +===Clocks===
 +
 +<code>
 +MC0 8000000  X1 8MHz ST-LINK/V1
 +HSE 8000000  X2 8MHz
 +HSI 16000000
 +LSE 0        X3 NOT FITTED
 +LSI 32768
 </code> </code>