4501_M Datasheet, PDF (89/212 Pages) Renesas Technology Corp – 4-BIT CISC SINGLE-CHIP MICROCOMPUTER 4500 SERIES

4501 Group
HARDWARE
INSTRUCTIONS
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
T1AB (Transfer data to timer 1 and register R1 from Accumulator and register B)
Instruction
code
D9
D0
Number of Number of
1
0
0
0
1
1
0
0
0
0
2
2
3
0 ₁₆
words
1
cycles
1
Flag CY
–
Skip condition
–
Operation:
(T17–T14) ← (B)
(R17–R14) ← (B)
(T13–T10) ← (A)
(R13–R10) ← (A)
Grouping:
Description:
Timer operation
Transfers the contents of register B to the
high-order 4 bits of timer 1 and timer 1 re-
load register R1. Transfers the contents of
register A to the low-order 4 bits of timer 1
and timer 1 reload register R1.
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:
Description:
Timer operation
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.
TAB (Transfer data to Accumulator from register B)
Instruction
code
D9
D0
Number of Number of Flag CY
0000011110
01E
words
cycles
2
16
1
1
–
Skip condition
–
Operation: (A) ← (B)
Grouping: Other operation
Description: Transfers the contents of register B to regis-
ter A.
TAB1 (Transfer data to Accumulator and register B from timer 1)
Instruction
code
D9
D0
Number of
1001110000
270
2
16
words
1
Number of
cycles
1
Flag CY
–
Skip condition
–
Operation:
(B) ← (T17–T14)
(A) ← (T13–T10)
Grouping:
Description:
Timer operation
Transfers the high-order 4 bits (T17–T14) of
timer 1 to register B.
Transfers the low-order 4 bits (T13–T10) of
timer 1 to register A.
Rev.2.01 Feb 07, 2005
REJ09B0192-0201
1-77