4559 Datasheet, PDF (58/148 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4559 Group
Table 25 Key-on wakeup control register
Key-on wakeup control register K0
K03
Ports P12, P13 key-on wakeup
control bit
K02
Ports P10, P11 key-on wakeup
control bit
K01
Ports P02, P03 key-on wakeup
control bit
K00
Ports P00, P01 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 P23 key-on wakeup control bit
K12 Port P22 key-on wakeup control bit
K11 Port P21 key-on wakeup control bit
K10 Port P20 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
K23
Ports P32, P33 key-on wakeup
control bit (Note 3)
K22
Ports P30, P31 key-on wakeup
control bit (Note 2)
K21 INT pin return condition selection bit
K20 INT pin 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 Return by level
1 Return by edge
0 Key-on wakeup invalid
1 Key-on wakeup valid
Key-on wakeup control register K3
at reset : 00002
at power down : state retained
K33
Ports P32, P33 return condition selection bit
(Note 3)
0 Return by level
1 Return by edge
K32
Ports P32, P33 valid waveform/level
selection bit (Note 3)
0 Falling waveform/”L” level
1 Rising waveform/”H” level
K31
Ports P30, P31 return condition selection bit
(Note 2)
0 Return by level
1 Return by edge
K30
Ports P30, P31 valid waveform/level
selection bit (Note 2)
0 Falling waveform/”L” level
1 Rising waveform/”H” level
Note 1. “R” represents read enabled, and “W” represents write enabled.
Note 2. To be invalid (K22 = “0”) key-on wakeup of ports P30 and P31, set the registers K30 and K31 to “0.”
Note 3. To be invalid (K23 = “0”) key-on wakeup of ports P32 and P33, set the registers K32 and K33 to “0.”
R/W
TAK0/TK0A
R/W
TAK1/TK1A
R/W
TAK2/TK2A
R/W
TAK3/TK3A
Rev.1.04 Aug 23, 2007 Page 58 of 146
REJ03B0188-0104