The aim is to document the inner workings of the WiiU Gamepad.

This is still largely a work in progress.

• Hardware overview
• Memory map
• General registers
• IRQ controller
• GPIO
• Timers
• DMA
• SPI
• I2C
• LCD controller
• LCD
• UIC
• SDIO

• Test points

• UIC commands
• UIC internals

• FLASH layout