MITSUBISHI MICROCOMPUTERS
4513/4514 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
PORT BLOCK DIAGRAMS
K0
0
Pull-up transistor
Key-on wakeup input
IAP0 instruction
Register A
Ai
D
T
Q
PU0
0
P0
0
,P0
1
OP0A instruction
K0
1
Pull-up transistor
Key-on wakeup input
IAP0 instruction
Register A
Ai
D
T
Q
PU0
1
P0
2
,P0
3
OP0A instruction
K0
2
Pull-up transistor
Key-on wakeup input
IAP1 instruction
Register A
Ai
D
T
Q
PU0
2
P1
0
,P1
1
OP1A instruction
K0
3
Pull-up transistor
Key-on wakeup input
IAP1 instruction
Register A
Ai
D
PU0
3
P1
2
,P1
3
OP1A instruction
T Q
•
•
i
This symbol represents a parasitic diode on the port.
represents 0, 1, 2, or 3.
10