I2C Registers

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MMIO Interfaces

Name Physical address
SceI2c0Reg 0xE0500000
SceI2c1Reg 0xE0510000

Registers

Offset Size Description
0x00 4 Write FIFO
0x04 4 Read FIFO
0x08 4 Unknown
0x0C 4 Unknown
0x10 4 Device address (8 bits)
0x14 4 Flags

I2C Flags

Bit(s) Description
0 Start transfer / enable?
1 Start transfer / enable?
2 Transfer done
4 Transfer direction (0 = host to device, 1 = device to host)?
8-16 Transfer size

I2C Devices

I2C bus I2C Device address Device Description
1 0x18 SceMotionDev
0 0x34 SceCodec
? 0x74 Camera related?
1 0x7A HDMI related?
1 0x7C HDMI related?