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