STMPE16M31 datasheet(67/85 Pages) STMICROELECTRONICS

67 / 85 page

STMPE16M31, STMPE24M31

Touchkey controller

Doc ID 16174 Rev 4

67/85

KEY_FILT_CFG

Key filter unit configuration register

Address:

0x90

Type:

Reset:

0x00

Description:

Setting of key filter unit.

KEY_FILT_GROUP-n

KFGROUP-1, KFGROUP-2 registers

Address:

0x92-0x94 (KeyFilterMask1), 0x96-0x98 (KeyFilterMask2)

Type:

R/W

Reset:

0x000000

Description:

Configure the channels included in a group of key filter unit.

Bit 7-0 (0x92 for KFGROUP-1, 0x96 for KFGROUP-2)

543

210

RESERVED

Mode_KFU2

Mode_KFU1

000

[7:4] RESERVED

Position of the touch in ratio engine sensors

[3:2] Mode_KFU2

‘00’ for no filter

‘01’ for 1 highest impedance change filter in group 2

‘10’ for 2 highest impedance change filter in group 2

‘11’ for 3 highest impedance change filter in group 2

[1:0] Mode_KFU1

‘00’ for no filter

‘01’ for 1 highest impedance change filter in group 1

‘10’ for 2 highest impedance change filter in group 1

‘11’ for 3 highest impedance change filter in group 1

543

210

000

Obsolete

Product(s)

- Obsolete

Product(s)

STMPE16M31 数据表(PDF) 67 Page - STMicroelectronics

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