STMPE811_08 datasheet(33/54 Pages) STMICROELECTRONICS

Part #	STMPE811

Description	8-bit port expander with advanced touchscreen controller

PDF	54 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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33 / 54 page

STMPE811

Touchscreen controller

33/54

TSC_CFG

Touchscreen controller configuration register

Address:

0x41

Type:

R/W

Description:

Touchscreen controller configuration register.

7654

3

2

1

0

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] AVE_CTRL_1: Average control

00 = 1 sample

01 = 2 samples

10 = 4 samples

11 = 8 samples

[6] AVE_CTRL_0: Average control

00 = 1 sample

01 = 2 samples

10 = 4 samples

11 = 8 samples

[5] TOUCH_DET_DELAY_2: Touch detect delay

000 = 10

μs

001 = 50

μs

[4] TOUCH_DET_DELAY_1: Touch detect delay

000 = 10

μs

001 = 50

μs

[3] TOUCH_DET_DELAY_0: Touch detect delay

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.

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STMPE811 Datasheet(PDF) 33 Page - STMicroelectronics

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Similar Part No. - STMPE811_08

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