STMPE16M31 datasheet(48/85 Pages) STMICROELECTRONICS

Teilenummer	STMPE16M31

Bauteilbeschribung	S-Touch® 16/24-channel touchkey controller with PWM and ratio engines

PDF	85 Pages

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Hersteller	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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48 / 85 page

Touch sensor controller

STMPE16M31, STMPE24M31

48/85

Doc ID 16174 Rev 4

Touch sensor controller

The STMPE16M31 and STMPE24M31 devices use the STMicroelectronics’ patent pending

capacitive front end. The capacitive sensor is configure by the following registers:

Table 13.

Touch sensor controller registers

Address

Reset Value

R/W

Description

0x70

CH_SEN_CTRL

0x00

Capacitive sensor control

0x71

RATIO_ENG_REPT

_CTRL

0x00

Ratio engine report control

(only available in final silicon)

0x72

CH_SEL

0x00000000

Selects active capacitive channels

0x76

CAL_INT

0x00

10ms – 64S calibration interval

0x77

CAL_MOD

0x00

Selects calibration model

0x78

MAF_SET

0x00

Median averaging filter (MAF) setting

0x7C

DATA_TYPE

0x00

Selects type of data available in

channel data ports.

0x01: TVR

0x02: EVR

0x03: Channel delay

0x04: Impedance (13-bit)

0x05: Calibrated impedance (13-bit)

0x06: Locked impedance (13-bit)

0xC0-0xEF

CH_DATA-n

0x0000

R/W

Channel data based on channel data

type

Obsolete

Product(s)

- Obsolete

Product(s)

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