4554 Datasheet, PDF (109/138 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4554 Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
TV2A (Transfer data to register V2 from Accumulator)
Instruction D9
D0
code
0 0 0 0 1 1 1 1 1 0₂ 0 3
E ₁₆
Number of
words
1
Number of Flag CY
cycles
1
–
Skip condition
–
Operation: (V2) ← (A)
Grouping: Interrupt operation
Description: Transfers the contents of register A to inter-
rupt control register V2.
TW1A (Transfer data to register W1 from Accumulator)
Instruction
code
D9
D0
1000001110
20
2
E
16
Number of
words
1
Number of Flag CY
cycles
1
–
Skip condition
–
Operation: (W1) ← (A)
Grouping: Timer operation
Description: Transfers the contents of register A to timer
control register W1.
TW2A (Transfer data to register W2 from Accumulator)
Instruction D9
D0
code
1000001111
20
2
F
16
Number of
words
1
Number of Flag CY
cycles
1
–
Skip condition
–
Operation: (W2) ← (A)
Grouping: Timer operation
Description: Transfers the contents of register A to timer
control register W2.
TW3A (Transfer data to register W3 from Accumulator)
Instruction D9
D0
code
1 0 0 0 0 1 0 0 0 0₂ 2 1
0 ₁₆
Number of
words
1
Number of Flag CY
cycles
1
–
Skip condition
–
Operation: (W3) ← (A)
Grouping: Timer operation
Description: Transfers the contents of register A to timer
control register W3.
Rev.3.00 Aug 06, 2004 page 109 of 136
REJ03B0043-0300Z