Table 7-15. NP_SCAN_RATE Register Field Descriptions (continued)
Bit
Field
Type
Reset
Description
1-0
NPSR
R/W
1h
Normal Power Mode Scan Rate
Refer to Configuring Button Scan Rate section for more information.
0h = 80 SPS
1h = 40 SPS (Default)
2h = 20 SPS
3h = 10 SPS
7.5.1.14 GAIN0 Register (Offset = Eh) [Reset = 28h]
GAIN0 is shown in
GAIN0 Register Field Descriptions
.
Return to the
Gain for Channel 0 sensitivity adjustment for button algorithm
Table 7-16. GAIN0 Register Field Descriptions
Bit
Field
Type
Reset
Description
7-6
RESERVED
R/W
0h
Reserved
5-0
GAIN0
R/W
28h
Gain for Button Data for Channel 0
Refer to the Gain Table for detailed configuration.
7.5.1.15 LP_SCAN_RATE Register (Offset = Fh) [Reset = 10h]
LP_SCAN_RATE is shown in
LP_SCAN_RATE Register Field Descriptions
.
Return to the
Low Power Mode scan rate
Table 7-17. LP_SCAN_RATE Register Field Descriptions
Bit
Field
Type
Reset
Description
7-2
RESERVED
R/W
4h
Reserved
1-0
LPSR
R/W
0h
Low Power Mode Scan Rate
Refer to Configuring Button Scan Rate section for more information.
0h = 5 SPS
1h = 2.5 SPS
2h = 1.25 SPS (Default)
3h = 0.625 SPS
7.5.1.16 GAIN1 Register (Offset = 10h) [Reset = 28h]
GAIN1 is shown in
GAIN1 Register Field Descriptions
.
Return to the
Gain for Channel 1 sensitivity adjustment for button algorithm
Table 7-18. GAIN1 Register Field Descriptions
Bit
Field
Type
Reset
Description
7-6
RESERVED
R/W
0h
Reserved
5-0
GAIN1
R/W
28h
Gain for Button Data for Channel 1
Refer to the Gain Table for detailed configuration.
SNOSDD0 – DECEMBER 2021
22
Copyright © 2021 Texas Instruments Incorporated