Hardware layout UM1842
22/35 DocID027213 Rev 1
PB8
TIM4_CH3,
TIM10_CH1,
I2C1_SCL,
USB_FS_SCL,
SDIO_D4
95 - - - - - - - - - - - - - -19
PB9
TIM4_CH4,
TIM11_CH1,
I2C1_SDA,
SPI2_NSS/I2S2_WS,
USB_FS_SDA,
SDIO_D5
96
SDA
- -
SDA
- - - - - - - - - -20
PB10
TIM2_CH3, I2C2_SCL,
SPI2_SCK/I2S2_CK
47 - - - - - - - - - - - - -34 -
VCAP1 - 48 - - - - - - - - - - - - -35 -
PB12
TIM1_BKIN,
I2C2_SMBAL,
SPI2_NSS/I2S2_WS,
I2S2ext_WS
51 - - - - - - - - - - - - -36 -
PB13
TIM1_CH1N,
SPI2_SCK/I2S2_CK,
I2S2ext_CK
52 - - - - - - - - - - - - -37 -
PB14
TIM1_CH2N,
SPI2_MISO,
I2S2ext_SD
53 - - - - - - - - - - - - -38 -
PB15
RTC_50Hz,
TIM1_CH3N,
SPI2_MOSI/I2S2_SD,
I2S2ext_MISO
54 - - - - - - - - - - - - -39 -
PC0 ADC1_10 15 - - - - - - -
PowerOn
- - - - -8 -
PC1 ADC1_11 16 - - - - - - - - - - - - -7 -
PC2
SPI2_MISO,
I2S2ext_SD, ADC1_12
17 - - - - - - - - - - - - -10 -
Table 5. MCU pin description versus board function (page 4 of 8)
(1)
(continued)
MCU pin Board function
Main
function
Alternate
functions
LQFP100
CS43L22
MP45DT02
L3GD20
LSM303DLHC
Pushbutton
LED
SWD
USB
OSC
Free I/O
Power supply
CN5
CN2
P1
P2
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