Appendix A STM32H7B3I-EVAL I/O Assignment
Table 70. STM32H7B3I-EVAL I/O Assignment
LQFP144 pinout Pin name
Main function pinout
assignment
Optional function pinout
assignment
Motor-control connector
1 PE2 TRACE_CLK - -
2 PE3 SRAM-FMC_A19 - -
3 PE4 SRAM-FMC_A20 - -
4 PE5 TRACE_D2 - -
5 PE6 LCD_RS_FMC_A22 TRACE_D3 -
6 VBAT POWER - -
7 PC13 User Button WKUP2 TAMPER KEY -
8 PC14 OSC32_IN - -
9 PC15 OSC32_OUT - -
10 PF0 SRAM-FMC_A0 - -
11 PF1 SRAM-FMC_A1 - -
12 PF2 SRAM-FMC_A2 - -
13 PF3 SRAM-FMC_A3 - -
14 PF4 SRAM-FMC_A4 - -
15 PF5 SRAM-FMC_A5 - -
16 VSS POWER - -
17 VDD POWER - -
18 PF6 Audio SAI1_SD_B - -
19 PF7 Audio SAI1_MCLK_B - -
20 PF8 Audio SAI1_SCK_B - -
21 PF9 Audio SAI1_FS_B - TIM15_CH1
22 PF10 DFSDM1_CKOUT STMOD+ DFSDM TIM15_CH2
23 PH0 OSC_IN - -
24 PH1 OSC_OUT - -
25 NRST NRST - -
26 PC0 OCTOSPI_IO7 - ADC12_IN1
27 PC1 OCTOSPI_IO4 - ADC12_IN2
28 PC2 OCTOSPI_IO5 - ADC12_IN3
29 PC3 OCTOSPI_IO6 - ADC12_IN4
30 VSSA POWER - -
31 VREFP POWER - -
32 VDDA POWER - -
33 PA0 MFX_IRQ_OUT
OPAMP1_VINP, STMOD
+_ADC12_IN5
ADC12_IN5
TIM2_CH1
34 PA1 TAMPER KEY
OPAMP1_VINM
STMOD+_PMOD_INT
ADC12_IN6
TIM2_CH2
UM2662
STM32H7B3I-EVAL I/O Assignment
UM2662 - Rev 1
page 73/95
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