8.10 Daughterboard extension connectors CN5 and CN6
Two 60-pin male headers CN5 and CN6 can be used to connect with a daughterboard or a standard wrapping
board to the STM32H7B3I-EVAL Evaluation board. All GPIOs are available on them and memory connectors
(CN12 and CN13).
The space between these two connectors is defined as a standard, which allows developing common
daughterboards for several ST evaluation boards. The standard width between CN6 pin1 and CN5 pin1 is
2700 mils (68.58 mm). Each pin on CN5 and CN6 can be used by a daughterboard after disconnecting it from the
corresponding function block on the STM32H7B3I-EVAL Evaluation board. Refer to Table 66, Table 67, Table 68,
and Table 69 for details.
Table 66. Daughterboard extension connector CN6 left odd pins
Pin number Pin name Pin function
How to
disconnect
1 PC1
OCSPI1_IO4 || MOTOR_ADC12_INP11 ||
MOTOR_DFSDM_1_DATIN0
R216
3 PH0 OSC_IN R21 / SB7
5 NRST NRST
SB13 / SB21 /
SB38 / SB45 /
R225 / R218 /
JP24
7 PF7 OCSPI1_IO2 R230
9 PF6 OCSPI1_IO3 R234
11 PF8 OCSPI1_IO0 R237
13 PF9 OCSPI1_IO1 R241
15 PC2 ULPI_DIR R245
17 PB6 DFSDM1_DATIN5 R33
21 PA4 DCMI_HSYNC || I2S6_WS || INT_BKUP_USB_OTG_HS_OVRCR JP7
23 PC3 ULPI_NXT R261
25 PH2 CTP_INT
27 PH3 OCSPI1_IO5 R272
29 PH4 I2C_SCL R275
31 PA5 I2S6_CK || ULPI_CK JP11
33 PC4 CTP_RST || MOTOR_ADC12_INP4 || MOTOR_DFSDM1_CKIN2 R281
35 PC5
OCSPI1_DQS || MOTOR_ADC12_INP8 ||
MOTOR_DFSDM_1_DATIN2
R286
37 PI15 RGB_LCD_R0 R290
41 PJ0 RGB_LCD_R1 R293
43 PB1 ULPI_D2 R296
45 PI11 INT_uSDCard_Detect2 R297
47 PG14 OCSPI1_IO7 R300
51 PG9 DCMI_VSYNC/RDY || SDIO2_D0 JP17
53 PA8 MCO1 || USB_OTG_HS_CLK_BKUP || MOTOR_TIM1_CH1 R308
55 PJ5 RGB_LCD_R6 R313
57 PG6 OCSPI1_NCS || SD_LDO_SEL JP23
UM2662
Daughterboard extension connectors CN5 and CN6
UM2662 - Rev 1
page 69/95
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