W90P710_05 Datasheet, PDF (491/526 Pages) Winbond – 16/32-bit ARM microcontroller

W90P710
KPIR[3:0]
W90P710
KPIC[7:0]
4 :16
DECODER
COL[7:0]
ROW[[16:0]
16x8
key pad
matrix
Fig. 7.21.1 W90P710 Keypad Interface
7.21.1 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 0x0000_0000
register
KPILPCONF 0xFFF8_8008 R/W Keypad controller low power 0x0000_0000
configuration register
KPISTATUS 0xFFF8_800C R/O Keypad controller status register
0x0000_0000
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Publication Release Date: January 17, 2005
Revision A.2