STMPE1601 STMicroelectronics, STMPE1601 Datasheet - Page 46

• Manufacturer Part Number: STMPE1601
• Description: 16-bit Enhanced Port Expander With Keypad And Pwm Controller Xpander Logic
• Manufacturer: STMicroelectronics

Keypad controller
KPC_ROW_MSB
Address:
Type:
Reset:
Description:
46/60
SCAN_PW1
R/W
7
1
[7:6] SCAN_PW[1:0]:
[3:0] RESERVED:
[5] HIB_WK:
[4] -
SCAN_PW0
R/W
0x61
R/W, R
Keypad row scanning register
Row output scanning pulse width setting:
00: 1x period of internal clock
01: 16x period of internal clock
10: 64x period of internal clock
11: 128x period of internal clock (default)
(This setting is only applicable during normal operation mode. The scanning pulse width is 1x
period of 32 kHz clock during sleep mode.)
1: to enable the keypad wake-up from hibernate mode
0: to disable
6
1
HIB_WK
R/W
5
0
Keypad row MSB
R
4
0
-
R
3
0
R
2
0
RESERVED
R
1
0
STMPE1601
R
0
0