Pommel
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Pommel is the power controller chip of the PSP, made by Fujitsu. Since Baryon controls this chip, access to Pommel chip is via SPI.
Revisions[edit | edit source]
| Version | Notes |
|---|---|
| 0x00000103 | |
| 0x00000104 | |
| 0x00000112 | |
| 0x00000123 | |
| 0x00000132 | |
| 0x00000133 | |
| 0x00000141 | |
| 0x00000143 | |
| 0x00000153 |
Voltage[edit | edit source]
From the version of Pommel, you can derive at the voltage that various parts in the PSP are running on. For example, a Pommel of 0x00000103 had the CPU I/O running at 3.3V, and a Pommel of 0x00000112 changed the NAND flash bus to run at 1.8V.