STMPE1601_1 Datasheet, PDF (54/61 Pages) STMicroelectronics – 16-bit enhanced port expander with keypad and PWM controller Xpander Logic

Keypad combination key registers
14 Keypad combination key registers
STMPE1601
The 3 KPC mask registers contains the key combination to be used to wake up the KPC and
send an interrupt to the host system.
KPC_COMB_KEY_0-2
Keypad combination 0-2
7
6
5
4
3
2
1
0
ACTIVE
ACTIVE
R2
R1
R0
C2
C1
C0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
1
1
1
1
1
0
0
0
Address:
0x65, 0x66, 0x67
Type:
R/W
Reset:
0xF8
Description:
Keypad combination key mask registers.
[7:6] ACTIVE:
00: key defined by bits 5:0 to be used for combination key wakeup
But [7:0] must be “F8” for No key from this register to be used for combination key wakeup
[5:3] R[2:0]:
Row number of key 1 (valid range: 0 -7)
[2:0] C[2:0]:
Column number of key 1 (valid range : 0-7)
54/61