I2C Registers: Difference between revisions
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| Line 21: | Line 21: | ||
| 0x00 | | 0x00 | ||
| 4 | | 4 | ||
| | | Write FIFO | ||
|- | |- | ||
| 0x04 | | 0x04 | ||
| 4 | | 4 | ||
| Read | | Read FIFO | ||
|- | |- | ||
| 0x08 | | 0x08 | ||
Revision as of 11:31, 9 February 2017
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 |