stmpe16m31 STMicroelectronics, stmpe16m31 Datasheet - Page 67

• Manufacturer Part Number: stmpe16m31
• Description: S-touch? 16/24-channel Touchkey Controller With Pwm And Ratio Engines
• Manufacturer: STMicroelectronics

STMPE16M31, STMPE24M31
KEY_FILT_CFG
Address:
Type:
Reset:
Description:
KEY_FILT_GROUP-n
Address:
Type:
Reset:
Description:
Bit 7-0 (0x92 for KFGROUP-1, 0x96 for KFGROUP-2)
RW
RW
S7
7
0
7
0
[7:4] RESERVED
[3:2] Mode_KFU2
[1:0] Mode_KFU1
RW
RW
S6
6
0
6
0
Position of the touch in ratio engine sensors
‘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
‘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
0x90
RW
0x00
Setting of key filter unit.
0x92-0x94 (KeyFilterMask1), 0x96-0x98 (KeyFilterMask2)
R/W
0x000000
Configure the channels included in a group of key filter unit.
RESERVED
RW
RW
S5
5
0
5
0
Doc ID 16174 Rev 3
RW
RW
S4
4
0
4
0
RW
RW
S3
Key filter unit configuration register
3
0
3
0
KFGROUP-1, KFGROUP-2 registers
Mode_KFU2
RW
RW
S2
2
0
2
0
Touchkey controller
RW
RW
S1
1
0
1
0
Mode_KFU1
RW
RW
S0
0
0
0
0
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