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 |
| 0x18 | 4 | Speed |
| 0x28 | 4 | Interrupts |
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 |
| ? | ?0x40? | ?Pervasive#ScePervasiveMisc_.280xE3100000.29?. Read by Syscon UART RPC command 0x121. |
| ? | ?0x44? | Unknown. Maybe read by some Syscon UART RPC command. |
| 0 | 0x74 | SceCamera (Camera0) |
| 1 | 0x74 | SceCamera (Camera1) |
| 1 | 0x70 | SceHdmi ADV7533 Packet Memory I2C Map Address |
| 1 | 0x7A | SceHdmi ADV7533 main address |
| 1 | 0x7C | SceHdmi ADV7533 CEC |
| 1 | 0x7E | SceHdmi ADV7533 EDID |
| 1 | 0xC8 | LCD brightness |
| 0 | 0x94 | Unknown. |
| 0 | 0xD2 | SceClockgen |