M34513M2 Datasheet, PDF (13/106 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

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PORT BLOCK DIAGRAMS (continued)
Direction register FR0i
Ai D Q
OP5A instruction T
Register A
IAP5 instruction
Register Y
SD instruction
RD instruction
Decoder ^{Skip decision}
(SZD instruction)
S
RQ
Register Y
Skip decision (SZD instruction)
Clock input for timer 2 event count
Decoder
SD instruction
RD instruction
Timer 1 underflow signal output
S
RQ
W60
0
1/2
1
MITSUBISHI MICROCOMPUTERS
4513/4514 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
P50–P53
D0–D5
D6/CNTR0
Register Y
Skip decision (SZD instruction)
Clock input for timer 4 event count
Decoder
SD instruction
RD instruction
Timer 3 underflow signal output
S
RQ
W62
0
1/2
1
D7/CNTR1
•
This symbol represents a parasitic diode on the port.
• Applied potential to ports D0–D7 must be 12 V.
• i represents 0, 1, 2, or 3.
• The 4513 Group does not have port P5.
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