STMPE811 datasheet(38/66 Pages) STMICROELECTRONICS

Part #	STMPE811

Description	S-Touch® advanced resistive touchscreen controller with 8-bit GPIO expander

PDF	66 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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38 / 66 page

Touchscreen controller

STMPE811

38/66

Doc ID 14489 Rev 5

TSC_CFG

Touchscreen controller configuration register

Address:

0x41

Type:

R/W

Description:

Touchscreen controller configuration register.

7654

AVE_CTRL_1 AVE_CTRL_0

TOUCH_DET

_DELAY_2

TOUCH_DET

_DELAY_1

TOUCH_DET

_DELAY_0

SETTLING_2

SETTLING_1

SETTLING_0

[7:6] [AVE_CTRL_1/0: Average control

00=1 sample

01=2 samples

10=4 samples

11=8 samples

[5:3] TOUCH_DET_DELAY_2/1/0: Touch detect delay

000 - 10

μs

001 - 50

μs

010 = 100

μs

011 = 500

μs

100=1ms

101=5ms

110 = 10 ms

111 = 50 ms

[2:0] SETTLING: Panel driver settling time(1)

000 = 10

μs

001 = 100

μs

010 = 500

μS

011=1ms

100=5ms

101 = 10 ms

110 = 50 ms

111=100ms

1. For large panels (> 6”), a capacitor of 10 nF is recommended at the touchscreen terminals for noise filtering.

In this case, settling time of 1 ms or more is recommended.

STMPE811 Datasheet(PDF) 38 Page - STMicroelectronics

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