M34282E2GP MITSUBISHI [Mitsubishi Electric Semiconductor], M34282E2GP Datasheet - Page 57

• Manufacturer Part Number: M34282E2GP
• Description: SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
• Manufacturer: MITSUBISHI [Mitsubishi Electric Semiconductor]

REGISTER STRUCTURE
LO
LO
PU0
PU0
PU0
PU0
PU1
PU1
PU1
PU1
V1
V1
V1
V1
V1
V1
V1
1
0
3
2
1
0
2
1
0
3
2
1
0
3
2
1
0
Logic operation selection register LO
Logic operation selection bits
Pull-down control register PU1
Pull-down control register PU0
Port D
Port D
Port D
Port D
Ports G
bit
Ports G
bit
Port E
Port E
Carrier wave output auto-control bit
Timer 1 count source selection bit
Timer 1 control bit
Carrier wave “H” interval expansion bit
Carrier wave generation function control bit
Timer 2 count source selection bit
Timer 2 control bit
Timer control register V1
Timer control register V1
1
0
7
6
5
4
2
0
pull-down transistor control bit
pull-down transistor control bit
pull-down transistor control bit
pull-down transistor control bit
pull-down transistor control bit
pull-down transistor control bit
, G
, G
3
1
pull-down transistor control
pull-down transistor control
LO
0
0
1
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
LO
0
1
0
1
at reset : 0000
at reset : 0000
MITSUBISHI
ELECTRIC
at reset : 0000
at reset : 000
0
at reset : 00
Exclusive logic OR operation (XOR)
OR operation (OR)
AND operation (AND)
Not available
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
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
To expand “H” interval is invalid
To expand “H” interval is valid (when V2
Carrier wave generation function invalid
Carrier wave generation function valid
f(X
f(X
Stop (Timer 2 state retained)
Operating
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
IN
IN
)
)/2
2
2
2
2
2
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
Logic operation function
at RAM back-up : state retained
at RAM back-up : state retained
MITSUBISHI MICROCOMPUTERS
at RAM back-up : 0000
at RAM back-up : 000
at RAM back-up : 00
2
=1 selected)
4282 Group
2
2
2
W
W
W
W
W
57