STMPE811 datasheet(32/54 Pages) STMICROELECTRONICS

Part #	STMPE811

Description	8-bit port expander with advanced touchscreen controller

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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Touchscreen controller

STMPE811

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TSC_CTRL

Touchscreen controller control register

Address:

0x40

Type:

R/W

Reset:

0x90

Description:

4-wire touchscreen controller (TSC) setup.

7654

3

2

1

0

TSC_STA

TRACK

OP_MOD

EN

[7] TSC_STA: TSC status

Reads '1' when touch is detected

Reads '0' when touch is not detected

Writing to this register has no effect

[6:4] TRACK: Tracking index

000: No window tracking

001: 4

010: 8

011: 16

100: 32

101: 64

110: 92

111: 127

[3:1] OP_MOD: TSC operating mode

000: X, Y, Z acquisition

001: X, Y only

010: X only

011: Y only

100: Z only

This field cannot be written on, when EN = 1

[0] EN: Enable TSC

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STMPE811 Datasheet(PDF) 32 Page - STMicroelectronics

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