Sony CXD5602 User Manual page 71

3.1.4.3.1 I2C4
The following are settings that pin P10_{00,01} is assigned I2C (for PMIC) role.

IO_I2C_BCK.ENZI=1

IO_I2C_BDT.ENZI=1

IOCSYS_IOMD0.I2C4=1
3.1.4.3.2 PMIC_INT
The following are settings that pin P11_00 is assigned PMIC_INT role.

IO_PMIC_INT.ENZI=1

IOCSYS_IOMD0.PMIC_INT=1
Note:
Before receiving PMIC_INT, by using the register of RTC{0,1}, set External Alarm Output Select Signal to
External Interrupt (RTC{0,1}_RTC_CTL.SYNC_SEL=2). Figure I/O Configuration-10 shows the signal routes.
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CXD5602 User Manual