ST STM32U575I-EV, Руководство пользователя, Страница: 64 / 105

Table 49 describes the hardware configuration for the EXT_I2C connector.
Table 49. Hardware I/O configuration for the EXT_I2C connector
I/O Hardware Setting
(1)
Configuration
PG8 JP11
[1-2]
PG8 is used as I2C3_SDA to interface the sensor like the 3D
accelerometer and the 3G gyroscope, but also the I
2
C EEPROM and the
external I
2
C connector
[2-3] PG8 is used as RS-232 or STMod+ USART
PG7 JP10
[1-2]
PG7 is used as I2C3_SCL to interface the sensor like the 3D
accelerometer and the 3G gyroscope, but also the I
2
C EEPROM and the
external I
2
C connector
[2-3] PG8 is used as RS-232 or STMod+ USART
PB11 SB14
ON
PB11 is used as I2C2_SDA to interface the audio codec, MFX, UCPD, CTP,
the camera, STMod+, and optionally the sensor like the 3D accelerometer and
the 3G gyroscope, but also the I
2
C EEPROM and the external I
2
C connector
(SB49 0N)
OFF
PB11 is not used as I
2
C for the sensor, the EEPROM, and the external I
2
C
connector
PB10 SB13
ON
PB10 is used as I2C2_SCL to interface the audio codec, MFX, UCPD, CTP,
the camera, STMod+, and optionally the sensor like the 3D accelerometer and
the 3G gyroscope, but also the I
2
C EEPROM and the external I
2
C connector
(SB46 ON)
OFF
PB10 is not used as I
2
C for the sensor, the EEPROM, and the external
I
2
C connector
1. The default configuration is shown in bold.
Figure 28 shows the CN4 EXT_I2C connector pinout
Figure 28. CN4 EXT_I2C connector pinout (front view)
STM32U575I-EV
EXT_I2C connector
UM2854 - Rev 1
page 64/105