4509 Datasheet, PDF (108/142 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4509 Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
TFR0A (Transfer data to register FR0 from Accumulator)
Instruction D9
D0
code
1000101000
228
2
16
Number of
words
1
Number of
cycles
1
Flag CY
–
Skip condition
–
Operation: (FR0) ← (A)
Grouping: Input/Output operation
Description: Transfers the contents of register A to port
output structure control register FR0.
TFR1A (Transfer data to register FR1 from Accumulator)
Instruction D9
D0
code
1000101001
229
2
16
Number of
words
1
Number of
cycles
1
Flag CY
–
Skip condition
–
Operation: (FR1) ← (A)
Grouping: Input/Output operation
Description: Transfers the contents of register A to port
output structure control register FR1.
TFR2A (Transfer data to register FR2 from Accumulator)
Instruction D9
D0
code
1000101010
22A
2
16
Number of
words
1
Number of
cycles
1
Flag CY
–
Skip condition
–
Operation: (FR2) ← (A)
Grouping: Input/Output operation
Description: Transfers the contents of register A to port
output structure control register FR2.
TFR3A (Transfer data to register FR3 from Accumulator)
Instruction D9
D0
code
1000101011
22B
2
16
Number of
words
1
Number of
cycles
1
Flag CY
–
Skip condition
–
Operation: (FR3) ← (A)
Grouping: Input/Output operation
Description: Transfers the contents of register A to port
output structure control register FR3.
Rev.1.02 2006.12.22 page 108 of 140
REJ03B0147-0102