4524 Datasheet, PDF (97/161 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4524 Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
IAP0 (Input Accumulator from port P0)
Instruction
code
D9
D0
Number of Number of Flag CY
1001100000
260
words
cycles
2
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
1001100001
261
words
cycles
2
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: (A) ← (P2)
Grouping: Input/Output operation
Description: Transfers the input of port P2 to register A.
IAP3 (Input Accumulator from port P3)
Instruction
code
D9
D0
Number of Number of Flag CY
1001100011
263
words
cycles
2
16
1
1
–
Skip condition
–
Operation: (A) ← (P3)
Grouping: Input/Output operation
Description: Transfers the input of port P3 to register A.
Rev.2.00 Jul 27, 2004 page 97 of 159
REJ03B0091-0200Z