4509 Datasheet, PDF (104/142 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4509 Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
TAPU2 (Transfer data to Accumulator from register PU2)
Instruction D9
D0
code
1001011111
25F
2
16
Number of
words
1
Number of
cycles
1
Flag CY
–
Skip condition
–
Operation: (A) ← (PU2)
Grouping: Input/Output operation
Description: Transfers the contents of pull-up control
register PU2 to register A.
TAQ1 (Transfer data to Accumulator from register Q1)
Instruction D9
D0
code
1001000100
24
2
4
16
Number of
words
1
Number of Flag CY
cycles
1
–
Skip condition
–
Operation: (A) ← (Q1)
Grouping: A/D conversion operation
Description: Transfers the contents of A/D control regis-
ter Q1 to register A.
TASP (Transfer data to Accumulator from Stack Pointer)
Instruction D9
D0
code
0001010000
050
2
16
Number of
words
1
Number of
cycles
1
Flag CY
–
Skip condition
–
Operation:
(A2–A0) ← (SP2–SP0)
(A3) ← 0
Grouping: Register to register transfer
Description: Transfers the contents of stack pointer (SP)
to the low-order 3 bits (A2–A0) of register A.
“0” is stored to the bit 3 (A3) of register A.
TAV1 (Transfer data to Accumulator from register V1)
Instruction D9
D0
code
0001010100
05
2
4
16
Number of
words
1
Number of Flag CY
cycles
1
–
Skip condition
–
Operation: (A) ← (V1)
Grouping: Interrupt operation
Description: Transfers the contents of interrupt control
register V1 to register A.
Rev.1.02 2006.12.22 page 104 of 140
REJ03B0147-0102