STMPE811 datasheet(49/66 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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49 / 66 page

STMPE811

Temperature sensor

Doc ID 14489 Rev 5

49/66

Temperature sensor

The STMPE811 internal temperature sensor can be used as a reference for compensation

of the touchscreen parameters. Temperature measurement is optimised for temperature

from 0

° C to 85 ° C.

TEMP_CTRL

Temperature sensor setup

Address:

0x60

Type:

R/W

Reset:

0x00

Description:

Temperature sensor setup

Table 17.

Touchscreen parameters

Address

Bit

Function

0x60

TEMP_CTRL

Temperature sensor setup

0x61

TEMP_DATA

Temperature data access port

0x63

TEMP_TH

Threshold for temperature controlled interrupt

765

RESERVED

THRES_RANGE

THRES_EN

ACQ_MOD

ACQ

ENABLE

[7:5] RESERVED

[4] THRES_RANGE:

'0' assert interrupt if temperature is >= threshold

'1' assert interrupt if otherwise

[3] THRES_EN: temperature threshold enable

[2] ACQ_MOD:

'0' to acquire temperature for once only

'1' to acquire temperature every 10mS

[1] ACQ

[0] ENABLE

STMPE811 Datasheet(PDF) 49 Page - STMicroelectronics

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