4513_03 Datasheet, PDF (26/210 Pages) Renesas Technology Corp – 4-BIT SINGLE-CHIP MICROCOMPUTER

HARDWARE
PIN DESCRIPTION
PORT BLOCK DIAGRAMS (continued)
Register A
IAP2 instruction
Synchronous clock input for serial transfer
J11
0
Synchronous clock output for serial transfer
1
J10
Register A
IAP2 instruction
J11
0
Serial data output
1
P20/SCK
P21/SOUT
Serial data input
IAP2 instruction
Register A
P22/SIN
Key-on wakeup input
External interrupt circuit
Register A
IAP3 instruction
Ai
D
OP3A instruction _{T Q}
P30/INT0,P31/INT1
Register A
IAP3 instruction
Ai
D
OP3A instruction _{T Q}
P32,P33
•
This symbol represents a parasitic diode on the port.
• Applied potential to ports P20—P22 must be VDD.
• i represents 0, 1, 2, or 3.
• The 4513 Group does not have ports P32, P33.
4513/4514 Group User’s Manual
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