STMPE321 ST Microelectronics, STMPE321 Datasheet - Page 31

• Manufacturer Part Number: STMPE321
• Description: 3-channel capacitive touch key controller
• Manufacturer: ST Microelectronics

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STMPE321
STRENGTH_THRESHOLD
Address:
Type:
Reset:
Description:
STRENGTH
Address:
Type:
Reset:
Description:
7
7
[7:0] STRENGTH_THRESHOLD:
[7:0] STRENGTH:
6
6
0x50 - 0x52
R/W
0x01
Strength threshold.
Setting threshold to be used in AFS mode to determine valid touch
0x60 - 0x62
R
0x00
The number of times a sensed capacitance exceeds the calibrated reference
impedance
Read-only field
Counts the number of times a sensed impedance exceeds calibrated reference impedance
and integration time. Maximum strength equals Integration Time [7:0]
5
5
4
STRENGTH_THRESHOLD
Doc ID 15791 Rev 1
4
STRENGTH
3
3
2
Capacitive touch module registers
2
1
Strength threshold
1
Strength
0
0
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