4283 Group
REGISTER STRUCTURE
Timer control register V1
at reset : 0002
at RAM back-up : 0002
W
0
1
0
1
0
1
Auto-control output by timer 1 is invalid
Auto-control output by timer 1 is valid
Carrier wave output (CARRY)
Bit 5 of watchdog timer (WDT)
Stop (Timer 1 state retained)
Operating
V12
V11
V10
Carrier wave output auto-control bit
Timer 1 count source selection bit
Timer 1 control bit
Timer control register V2
at reset : 00002
at RAM back-up : 00002
W
0
1
0
1
0
1
0
1
To expand “H” interval is invalid
To expand “H” interval is valid (when V22=1 selected)
Carrier wave generation function invalid
Carrier wave generation function valid
f(XIN)
V23
V22
V21
V20
Carrier wave “H” interval expansion bit
Carrier wave generation function control bit
Timer 2 count source selection bit
Timer 2 control bit
f(XIN)/2
Stop (Timer 2 state retained)
Operating
Logic operation selection register LO
Logic operation selection bits
at reset : 002
LO1 LO0
W
at RAM back-up : 002
Logic operation function
0
0
1
1
0
1
0
1
Exclusive logic OR operation (XOR)
LO1
LO0
OR operation (OR)
AND operation (AND)
Not available
Pull-down control register PU0
at reset : 00002
at RAM back-up : state retained
W
Ports G2, G3 pull-down transistor control
Pull-down transistor OFF, key-on wakeup invalid
Pull-down transistor ON, key-on wakeup valid
Pull-down transistor OFF, key-on wakeup invalid
Pull-down transistor ON, key-on wakeup valid
Pull-down transistor OFF, key-on wakeup invalid
Pull-down transistor ON, key-on wakeup valid
Pull-down transistor OFF, key-on wakeup invalid
Pull-down transistor ON, key-on wakeup valid
0
1
0
1
0
1
0
1
PU03
PU02
PU01
PU00
bit
Ports G0, G1 pull-down transistor control
bit
Port E1 pull-down transistor control bit
Port E0 pull-down transistor control bit
Pull-down control register PU1
at reset : 00002
at RAM back-up : state retained
W
Pull-down transistor OFF, key-on wakeup invalid
Pull-down transistor ON, key-on wakeup valid
Pull-down transistor OFF, key-on wakeup invalid
Pull-down transistor ON, key-on wakeup valid
Pull-down transistor OFF, key-on wakeup invalid
Pull-down transistor ON, key-on wakeup valid
Pull-down transistor OFF, key-on wakeup invalid
Pull-down transistor ON, key-on wakeup valid
0
1
0
1
0
1
0
1
PU13
PU12
PU11
PU10
Port D7 pull-down transistor control bit
Port D6 pull-down transistor control bit
Port D5 pull-down transistor control bit
Port D4 pull-down transistor control bit
Rev.1.01 Mar 20, 2006 page 59 of 62
REJ03B0109-0101
RENESAS [ RENESAS TECHNOLOGY CORP ]
