STMPE321 ST Microelectronics, STMPE321 Datasheet - Page 13

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

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STMPE321
Table 5.
Address
0x40
0x50 -
0x57
0x60 -
0x67
0x70 -
0x77
0x80 -
0x87
0x92
0xA0
0xA1
EVR
STRENGTH_THRES
[0-7]
STRENGTH [0-7]
CAL_IMPEDANCE
[0-7]
IMPEDANCE [0-7]
INT_PENDING
PWM_OFF_OUTPUT
MASTER_EN
Register summary map table (continued)
Register name
Doc ID 15791 Rev 1
Bit
8
8
8
8
8
8
8
8
Type
R/W
R/W
R/W
R/W
R/W
R
R
R
Reset value
Register map and function description
0x04
0x01
0x00
0x00
0x00
0x00
0x00
0x00
Impedance
Environmental variance
Setting of strength threshold for
each channel
Strength
Calibrated impedance
Status of GINT interrupt
sources
PWM group control
Master enable
Function
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