4518 Datasheet, PDF (94/160 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4518 Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
CMA (CoMplement of Accumulator)
Instruction
code
D9
D0
Number of Number of Flag CY
words
cycles
0 0 0 0 0 1 1 1 0 0 ₂ 0 1 C ₁₆
1
1
–
Skip condition
–
Operation: (A) ← (A)
Grouping: Arithmetic operation
Description: Stores the one’s complement for register
A’s contents in register A.
CMCK (Clock select: ceraMic oscillation ClocK)
Instruction
code
D9
D0
Number of Number of Flag CY
1010011010
29A
words
cycles
2
16
1
1
–
Skip condition
–
Operation: Ceramic oscillation circuit selected
Grouping: Clock control operation
Description: Selects the ceramic oscillation circuit for
main clock f(XIN).
CRCK (Clock select: Rc oscillation ClocK)
Instruction
code
D9
D0
Number of Number of Flag CY
words
cycles
1
0
1
0
0
1
1
0
1
1
2
2
9
B ₁₆
1
1
–
Skip condition
–
Operation: RC oscillation circuit selected
Grouping: Clock control operation
Description: Selects the RC oscillation circuit for main
clock f(XIN).
CYCK (Clock select: crYstal oscillation ClocK)
Instruction
code
D9
D0
Number of Number of Flag CY
1
0
1
0
0
1
1
1
0
1
2
2
9
D ₁₆
words
1
cycles
1
–
Skip condition
–
Operation: Quartz-crystal oscillation circuit selected
Grouping: Clock control operation
Description: Selects the quartz-crystal oscillation circuit
for main clock f(XIN).
Rev.3.01 2005.06.15 page 94 of 157
REJ03B0008-0301