Port Block Diagrams - Renesas 4513 User Manual

PORT BLOCK DIAGRAMS (continued)
Synchronous clock output for serial transfer
Register A
Synchronous clock input for serial transfer
J1
0
Register A
Serial data output
Serial data input
IAP2 instruction
Register A
Key-on wakeup input
External interrupt circuit
IAP3 instruction
Register A
Ai
OP3A instruction
Register A
Ai
OP3A instruction
This symbol represents a parasitic diode on the port.
•
• Applied potential to ports P2
• i represents 0, 1, 2, or 3.
• The 4513 Group does not have ports P3
4513/4514 Group User's Manual
IAP2 instruction
J1
1
0
1
IAP2 instruction
J1
1
0
1
P3 /INT0,P3
0
D
T Q
IAP3 instruction
D
T Q
—P2 must be V .
0 2 DD
, P3 .
2 3
HARDWARE
PIN DESCRIPTION
P2 /S
0 CK
P2 /S
1 OUT
P2 /S
2 IN
/INT1
1
P3 ,P3
2 3
1-13