4583 Datasheet, PDF (89/153 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4583 Group
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
EPOF (Enable POF instruction)
Instruction
code
D9
D0
Number of Number of Flag CY
words
cycles
0
0
0
1
0
1
1
0
1
1
0
2
5
B ₁₆
1
1
–
Skip condition
–
Operation: POF instruction valid
Grouping: Other operation
Description: Makes the immediate after POF instruction
valid by executing the EPOF instruction.
IAP0 (Input Accumulator from port P0)
Instruction
code
D9
D0
Number of Number of Flag CY
words
cycles
1
0
0
1
1
0
0
0
0
0
2
2
6
0 ₁₆
1
1
–
Skip condition
–
Operation: (A) ← (P0)
Grouping: Input/Output operation
Description: Transfers the input of port P0 to register A.
IAP1 (Input Accumulator from port P1)
Instruction
code
D9
D0
Number of Number of Flag CY
words
cycles
1
0
0
1
1
0
0
0
0
1
2
2
6
1 ₁₆
1
1
–
Skip condition
–
Operation: (A) ← (P1)
Grouping: Input/Output operation
Description: Transfers the input of port P1 to register A.
IAP2 (Input Accumulator from port P2)
Instruction
code
D9
D0
Number of Number of Flag CY
1001100010
262
words
cycles
2
16
1
1
–
Skip condition
–
Operation:
(A2–A0) ← (P22–P20)
(A3) ← 0
Grouping: Input/Output operation
Description: Transfers the input of port P2 to register A.
Rev.3.00 Aug 06, 2004 page 89 of 151
REJ03B0009-0300Z