Didj GPIO Map
From eLinux.org
GPIO Registers
| Register | GPIO A Address | GPIO B Address | GPIO C Address | Comments |
|---|---|---|---|---|
| GPIO_OUT | C000A000 | C000A040 | C000A080 | GPIO "Write" register (pin must be in output mode) |
| GPIO_OUTEN | C000A004 | C000A044 | C000A084 | Output enable: 1 = pin output mode, 0 = input mode |
| GPIO_PAD | C000A018 | C000A058 | C000A098 | GPIO "Read" register (pin must be in input mode) |
GPIO List
| Group | Index | GPIO Function |
|---|---|---|
| A | ||
| [31:0] | Unknown | |
| B | ||
| [31:6] | Unknown | |
| [5:2] | SD DAT[3:0] (at cartridge connector) | |
| [1] | SD CMD (at cartridge connector) | |
| [0] | SD CLK (at cartridge connector) | |
| C | ||
| [31:21] | Unknown | |
| [20] | #Power Switch | |
| [19:14] | Unknown | |
| [13] | Brightness Switch | |
| [12] | Pause button | |
| [11] | Question button | |
| [10] | Home button | |
| [9] | B button | |
| [8] | A button | |
| [7] | Right shoulder | |
| [6:5] | Unknown | |
| [4] | Left shoulder | |
| [3] | D-pad Down | |
| [2] | D-pad Up | |
| [1] | D-pad Right | |
| [0] | D-pad Left |
