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4518 Datasheet, PDF (108/160 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
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4518 Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
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.
T4R4L (Transfer data to timer 4 from register R4L)
Instruction
code
D9
D0
Number of Number of Flag CY
1
0
1
0
0
1
0
1
1
1
2
2
9
7 16
words
1
cycles
1
–
Skip condition
–
Operation:
(T47–T44) ← (R4L7–R4L4)
(T43–T40) ← (R4L3–R4L0)
Grouping: Timer operation
Description: Transfers the contents of reload register
R4L to timer 4.
Rev.3.01 2005.06.15 page 108 of 157
REJ03B0008-0301
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