Rainbow Electronics W90P710CDG - Manual (Page 502)

W90P710CD/W90P710CDG
Publication Release Date: September 19, 2006
- 503 - Revision B2
W90P710
4 :16
DECODER
ROW[[16:0]
KPIC[7:0]
KPIR[3:0]
COL[7:0]
16x8
key pad
matrix
Fig. 6.21.1 W90P710 Keypad Interface
6.21.1 KeyPad Interface Register Map
REGISTER ADDRESS R/W DESCRIPTION RESET VALUE
KPICONF 0xFFF8_8000 R/W Keypad controller configuration Register 0x0000_0000
KPI3KCONF 0xFFF8_8004 R/W Keypad controller 3-keys configuration
register
0x0000_0000
KPILPCONF 0xFFF8_8008 R/W Keypad controller low power
configuration register
0x0000_0000
KPISTATUS 0xFFF8_800C R/O Keypad controller status register 0x0000_0000