4518 Datasheet, PDF (99/160 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4518 Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
OP1A (Output port P1 from Accumulator)
Instruction
code
D9
D0
Number of Number of Flag CY
1000100001
221
words
cycles
2
16
1
1
–
Skip condition
–
Operation: (P1) ← (A)
Grouping: Input/Output operation
Description: Outputs the contents of register A to port
P1.
OP2A (Output port P2 from Accumulator)
Instruction
code
D9
D0
Number of Number of Flag CY
words
cycles
1
0
0
0
1
0
0
0
1
0
2
2
2
2 ₁₆
1
1
–
Skip condition
–
Operation: (P2) ← (A)
Grouping: Input/Output operation
Description: Outputs the contents of register A to port
P2.
OP3A (Output port P3 from Accumulator)
Instruction
code
D9
D0
Number of Number of Flag CY
1000100011
223
words
cycles
2
16
1
1
–
Skip condition
–
Operation: (P3) ← (A)
Grouping: Input/Output operation
Description: Outputs the contents of register A to port
P3.
OP6A (Output port P6 from Accumulator)
Instruction
code
D9
D0
Number of Number of Flag CY
1000100110
226
words
cycles
2
16
1
1
–
Skip condition
–
Operation: (P6) ← (A)
Grouping: Input/Output operation
Description: Outputs the contents of register A to port
P6.
Rev.3.01 2005.06.15 page 99 of 157
REJ03B0008-0301