General
The SPI bus (Serial Peripheral Interface) on the Xbox 360 is mainly used for communicating with the NAND-Flash Controller (SFCX), an SPI Programmer is needed for this. The bus consists of the following signals:
| Name | Description |
|---|---|
| MOSI | Master out, Slave in |
| SS | Slave Select |
| SCK | Serial Clock |
| MISO | Master in, Slave out |
| XEJ | Eject |
| XXX | ? |
FAT Motherboard
The Diagram matches following Xbox 360 Motherboard-revisions:
Xenon, Zephyr,
Falcon, Opus,
Jasper.
SLIM Motherboard
The Diagram can be used for Xbox 360 Motherboard-revision:
Trinity
