4509 Datasheet, PDF (74/142 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4509 Group
Key-on wakeup control register K0
Port P03 key-on wakeup
K03
control bit
Port P02 key-on wakeup
K02
control bit
Port P01 key-on wakeup
K01
control bit
Port P00 key-on wakeup
K00
control bit
at reset : 00002
at RAM back-up : 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
R/W
TAK0/TK0A
Key-on wakeup control register K1
Port P13 key-on wakeup
K13
control bit
Port P12 key-on wakeup
K12
control bit
Port P11 key-on wakeup
K11
control bit
Port P10 key-on wakeup
K10
control bit
at reset : 00002
at RAM back-up : 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
R/W
TAK1/TK1A
Key-on wakeup control register K2
Port D3 key-on wakeup
K23
control bit
Port D2 key-on wakeup
K22
control bit
Port P21 key-on wakeup
K21
control bit
Port P20 key-on wakeup
K20
control bit
at reset : 00002
at RAM back-up : 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
R/W
TAK2/TK2A
Key-on wakeup control register L1
Ports P10–P13 return condition selection
L13
bit
Ports P10–P13 valid waveform/
L12
level selection bit
INT pin
L11
return condition selection bit
INT pin
L10
key-on wakeup control bit
at reset : 00002
at RAM back-up : state retained
0
Return by level
1
Return by edge
0
Falling waveform/“L” level
1
Rising waveform/“H” level
0
Return by level
1
Return by edge
0
Key-on wakeup not used
1
Key-on wakeup used
R/W
TAL1/TL1A
Notes 1: “R” represents read enabled, and “W” represents write enabled.
Rev.1.02 2006.12.22 page 74 of 140
REJ03B0147-0102