Test points
The gamepad's motherboard features many test points.
(picture from http://www.ifixit.com/Teardown/Nintendo+Wii+U+Teardown/11796/4)
TODO: make a picture with the test points labelled, maybe interactive
The following test points have been identified so far:
| Test point | Description |
|---|---|
| TP36 | SPI - MISO |
| TP37 | SPI - MOSI |
| TP38 | SPI - clock |
| TP39 | SPI - UIC chipselect |
| TP40 | SPI - FLASH chipselect |
| TP43 | SPI FLASH reset (simple reset circuit) |
| TP48 | UIC pin 62 |
| TP57 | UIC pin 63 |
| TP85 | UIC pin 64 |
| TP103 | UIC pin 61 |
| TP125 | Ground |
| TP141 | UIC I2C - SDA |
| TP142 | UIC I2C - SCL |
| TP227 | Vcc (2.8V - SoC, FLASH, …) |
| TP230 | Ground |
| TP233 | UIC pin 1 |
| TP234 | UIC pin 2 |