4552 Datasheet, PDF (100/145 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4552 Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
TAW3 (Transfer data to Accumulator from register W3)
Instruction D9
D0
code
1001001101
24
2
D ₁₆
Number of
words
1
Number of Flag CY
cycles
1
–
Skip condition
–
Operation: (A) ← (W3)
Grouping: Timer operation
Description: Transfers the contents of timer control reg-
ister W3 to register A.
TAW4 (Transfer data to Accumulator from register W4)
Instruction D9
D0
code
1001001110
24
2
E ₁₆
Number of
words
1
Number of Flag CY
cycles
1
–
Skip condition
–
Operation: (A) ← (W4)
Grouping: Timer operation
Description: Transfers the contents of timer control reg-
ister W4 to register A.
TAX (Transfer data to Accumulator from register X)
Instruction
code
D9
D0
Number of Number of Flag CY
0001010010
052
words
cycles
2
16
1
1
–
Skip condition
–
Operation: (A) ← (X)
Grouping: Register to register transfer
Description: Transfers the contents of register X to reg-
ister A.
TAY (Transfer data to Accumulator from register Y)
Instruction
code
D9
D0
Number of Number of Flag CY
0
0
0
0
0
1
1
1
1
1
0
2
1
F ₁₆
words
1
cycles
1
–
Skip condition
–
Operation: (A) ← (Y)
Grouping: Register to register transfer
Description: Transfers the contents of register Y to regis-
ter A.
Rev.3.02 Dec 22, 2006 page 100 of 142
REJ03B0023-0302