STMPE24M31QTR datasheet(61/85 Pages) STMICROELECTRONICS

61 / 85 page

STMPE16M31, STMPE24M31

Touch sensor controller

Doc ID 16174 Rev 4

61/85

RATIO_ENG_SET

Ratio engine setup register

Address:

0x80

Type:

Reset:

0x00

Description:

Operation setup of ratio engine.

543

210

RESERVED

DATAMODE

RE2FilterEn

RE1FilterEn

CFG2

EN2

EN1

000

[7] RESERVED

[6] DATAMODE

Setting of data presentation

‘1’ to display 1 byte position data in the first byte of RE1_POS and RE2_POS continuously. The

old data will be overwritten. In this mode, when touch is detected in the slider, interrupt is issued

and host can read the data in its own rate. Only position data is available (8 bits), movement

and time-stamp data are not available.

‘0’ to enable data-buffering. Position, movement and time-stamp are available.

[5] RE2FilterEn

Ratio engine 2 noise filter

‘1’ to enable the filter

‘0’ to disable the filter

[4] RE1FilterEn

Ratio engine 1 noise filter

‘1’ to enable the filter

‘0’ to disable the filter

[3] CFG2

Ratio engine 2 setting

‘1’ for rotator/wheel configuration

‘0’ for linear/slider configuration

[2] CFG1

Ratio engine 1 setting

‘1’ for rotator/wheel configuration

‘0’ for linear/slider configuration

[1] EN2

‘1’ to enable ratio engine 2

‘0’ to enable ratio engine 1

[0] EN1

‘1’ to enable ratio engine 2

‘0’ to enable ratio engine 1

Obsolete

Product(s)

- Obsolete

Product(s)

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