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I2C Specs
Address
HID Descriptor
GPIOs

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Surface RT

Hardware

IC's

I2C devices

Bus 1 - 2nd Board

0x5B - ATMEL: mXT1386E - TouchController

Previous0x39 - Display Panel ThermalZone NextBus 2 - CAMs

Last updated 3 years ago

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I2C Specs

HID over I2C
Address: 0x5b
Bus speed: 400kHz
HID_Descriptor: 0x0000
ACPI Device: TOUA

Address

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

HID Descriptor

GPIOs

HID Interrupt: K2

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