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# 0x5B - ATMEL: mXT1386E - TouchController

## I2C Specs

* HID over I2C
* Address: 0x5b
* Bus speed: 400kHz
* HID\_Descriptor: 0x0000
* ACPI Device: TOUA

<http://ww1.microchip.com/downloads/en/DeviceDoc/mXT1386E_2v4_Datasheet_BX.pdf>

### Address

ACPI tells that the device TOUA uses I2C-2\@400kHz with an address of 0x5b

![](https://2395005476-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MJQb34R_xPz0ll0scbM%2F-MSCTlb_psLPqfJOXbKx%2F-MSCTxQm6DnnnExd7bhM%2Fimage.png?alt=media\&token=63d95805-4f31-431e-8c50-00f4e712476e)

### HID Descriptor

![](https://2395005476-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MJQb34R_xPz0ll0scbM%2F-MSCTlb_psLPqfJOXbKx%2F-MSCUEIkP1GokxGzoWgK%2Fimage.png?alt=media\&token=7e1f8d62-42b0-4345-9224-07c35b558df4)

## GPIOs

HID Interrupt: K2