4524 Datasheet, PDF (85/161 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4524 Group
Key-on wakeup control register K0
K03 Port P03 key-on wakeup control bit
K02 Port P02 key-on wakeup control bit
K01 Port P01 key-on wakeup control bit
K00 Port P00 key-on wakeup control bit
at reset : 00002
at power down : state retained
0
Key-on wakeup not used
1
Key-on wakeup used
0
Key-on wakeup not used
1
Key-on wakeup used
0
Key-on wakeup not used
1
Key-on wakeup used
0
Key-on wakeup not used
1
Key-on wakeup used
Key-on wakeup control register K1
K13 Port P13 key-on wakeup control bit
K12 Port P12 key-on wakeup control bit
K11 Port P11 key-on wakeup control bit
K10 Port P10 key-on wakeup control bit
at reset : 00002
at power down : state retained
0
Key-on wakeup not used
1
Key-on wakeup used
0
Key-on wakeup not used
1
Key-on wakeup used
0
Key-on wakeup not used
1
Key-on wakeup used
0
Key-on wakeup not used
1
Key-on wakeup used
Key-on wakeup control register K2
at reset : 00002
at power down : state retained
0
K23 INT1 pin return condition selection bit
1
0
K22 INT1 pin key-on wakeup control bit
1
0
K21 INT0 pin return condition selection bit
1
0
K20 INT0 pin key-on wakeup control bit
1
Note: “R” represents read enabled, and “W” represents write enabled.
Returned by level
Returned by edge
Key-on wakeup invalid
Key-on wakeup valid
Returned by level
Returned by edge
Key-on wakeup invalid
Key-on wakeup valid
R/W
TAK0/
TK0A
R/W
TAK1/
TK1A
R/W
TAK2/
TK2A
Rev.2.00 Jul 27, 2004 page 85 of 159
REJ03B0091-0200Z