4554 Datasheet, PDF (107/138 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4554 Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
TMRA (Transfer data to register MR from Accumulator)
Instruction D9
D0
code
1000010110
21
2
6
16
Number of
words
1
Number of Flag CY
cycles
1
–
Skip condition
–
Operation: (MR) ← (A)
Grouping: Other operation
Description: Transfers the contents of register A to clock
control register MR.
TPAA (Transfer data to register PA from Accumulator)
Instruction D9
D0
code
1010101010
2A
2
A ₁₆
Number of
words
1
Number of
cycles
1
Flag CY
–
Skip condition
–
Operation: (PA0) ← (A0)
Grouping: Timer operation
Description: Transfers the contents of lowermost bit (A0)
register A to timer control register PA.
TPSAB (Transfer data to Pre-Scaler from Accumulator and register B)
Instruction
code
D9
D0
Number of
1000110101
235
2
16
words
1
Number of
cycles
1
Flag CY
–
Skip condition
–
Operation:
(RPS7–RPS4) ← (B)
(TPS7–TPS4) ← (B)
(RPS3–RPS0) ← (A)
(TPS3–TPS0) ← (A)
Grouping: Timer operation
Description: Transfers the contents of register B to the
high-order 4 bits of prescaler and prescaler
reload register RPS, and transfers the con-
tents of register A to the low-order 4 bits of
prescaler and prescaler reload register
RPS.
TPU0A (Transfer data to register PU0 from Accumulator)
Instruction D9
D0
code
1000101101
22D
2
16
Number of
words
1
Number of
cycles
1
Flag CY
–
Skip condition
–
Operation: (PU0) ← (A)
Grouping: Input/Output operation
Description: Transfers the contents of register A to pull-
up control register PU0.
Rev.3.00 Aug 06, 2004 page 107 of 136
REJ03B0043-0300Z