The PS hosts the SOM I2C platform management bus for interfacing with supporting SOM peripherals. These devices are summarized in the following table. The PS I2C bus interface can be extended on a carrier card, but must not introduce address conflicts. The following table defines the K26 SOM I2C device addresses in 7-bit format.
| I2C 7-bit Address | Description |
|---|---|
0x50,
0x58
|
SOM EEPROM |
0x30,
0x31
|
DA9062 PMIC |
0x32
|
DA9130 PMIC |
0x33
|
DA9131 PMIC |
0x68
|
PL power domain monitor |
0x70
|
PS power domain monitor |