MITSUBISHI MICROCOMPUTERS
4513/4514 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
PORT BLOCK DIAGRAMS (continued)
IAP2 instruction
Register A
Synchronous clock input for serial transfer
J1
1
0
P2
0
/S
CK
Synchronous clock output for serial transfer
J1
0
1
IAP2 instruction
Register A
J1
1
0
P2
1
/S
OUT
Serial data output
1
Serial data input
IAP2 instruction
Register A
P2
2
/S
IN
Key-on wakeup input
External interrupt circuit
IAP3 instruction
Register A
Ai
OP3A instruction
D
T
Q
P3
0
/INT0,P3
1
/INT1
IAP3 instruction
Register A
Ai
OP3A instruction
D
T
Q
P3
2
,P3
3
This symbol represents a parasitic diode on the port.
•
• Applied potential to ports P2
0
—P2
2
must be V
DD
.
• i represents 0, 1, 2, or 3.
• The 4513 Group does not have ports P3
2
, P3
3
.
11
RENESAS [ RENESAS TECHNOLOGY CORP ]
