4554 Datasheet, PDF (94/138 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4554 Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
T2AB (Transfer data to timer 2 and register R2 from Accumulator and register B)
Instruction
code
D9
D0
Number of Number of
1 0 0 0 1 1 0 0 0 1 ₂ 2 3 1 ₁₆
words
1
cycles
1
Flag CY
–
Skip condition
–
Operation:
(T27–T24) ← (B)
(R27–R24) ← (B)
(T23–T20) ← (A)
(R23–R20) ← (A)
Grouping: Timer operation
Description: Transfers the contents of register B to the
high-order 4 bits of timer 2 and timer 2 re-
load register R2. Transfers the contents of
register A to the low-order 4 bits of timer 2
and timer 2 reload register R2.
T3AB (Transfer data to timer 3 and register R3 from Accumulator and register B)
Instruction
code
D9
D0
Number of Number of
1 0 0 0 1 1 0 0 1 0 ₂ 2 3 2 ₁₆
words
1
cycles
1
Flag CY
–
Skip condition
–
Operation:
(T37–T34) ← (B)
(R37–R34) ← (B)
(T33–T30) ← (A)
(R33–R30) ← (A)
Grouping: Timer operation
Description: Transfers the contents of register B to the
high-order 4 bits of timer 3 and timer 3 re-
load register R3. Transfers the contents of
register A to the low-order 4 bits of timer 3
and timer 3 reload register R3.
T4AB (Transfer data to timer 4 and register R4L from Accumulator and register B)
Instruction
code
D9
D0
Number of Number of
1 0 0 0 1 1 0 0 1 1 ₂ 2 3 3 ₁₆
words
1
cycles
1
Flag CY
–
Skip condition
–
Operation:
(T47–T44) ← (B)
(R4L7–R4L4) ← (B)
(T43–T40) ← (A)
(R4L3–R4L0) ← (A)
Grouping: Timer operation
Description: Transfers the contents of register B to the
high-order 4 bits of timer 4 and timer 4 re-
load register R4L. Transfers the contents of
register A to the low-order 4 bits of timer 4
and timer 4 reload register R4L.
T4HAB (Transfer data to register R4H from Accumulator and register B)
Instruction
code
D9
D0
Number of
1
0
0
0
1
1
0
1
1
1
2
2
3
7 ₁₆
words
1
Number of
cycles
1
Flag CY
–
Skip condition
–
Operation:
(R4H7–R4H4) ← (B)
(R4H3–R4H0) ← (A)
Grouping: Timer operation
Description: Transfers the contents of register B to the
high-order 4 bits of timer 4 and timer 4 re-
load register R4H. Transfers the contents of
register A to the low-order 4 bits of timer 4
and timer 4 reload register R4H.
Rev.3.00 Aug 06, 2004 page 94 of 136
REJ03B0043-0300Z