STMPE811_09 datasheet(43/64 Pages) STMICROELECTRONICS

Part #	STMPE811

Description	Advanced resistive touch screen controller with 8-bit GPIO expander

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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43 / 64 page

STMPE811

Touch screen controller

Doc ID 14489 Rev 2

43/64

TSC_FRACTION_Z

Touch screen controller FRACTION_Z

Address:

0x56

Type:

R

Reset:

0x00

Description:

This register allows to select the range and accuracy of the pressure measurement

76

543

2

1

0

RESERVED

FRACTION_Z

[7:3] RESERVED

[2:0] FRACTION_Z:

000: Fractional part is 0, whole part is 8

001: Fractional part is 1, whole part is 7

010: Fractional part is 2, whole part is 6

011: Fractional part is 3, whole part is 5

100: Fractional part is 4, whole part is 4

101: Fractional part is 5, whole part is 3

110: Fractional part is 6, whole part is 2

111: Fractional part is 7, whole part is 1

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