455A Datasheet, PDF (104/148 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

455A Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
T2HAB (Transfer data to register R2H from Accumulator and register B)
Instruc-
Number of Number of
tion
code
D9
D0
1 0 1 0 0 1 0 1 0 0 ₂ 2 9 4 ₁₆
words
1
cycles
1
Flag CY
-
Skip condition
-
Opera- (R2H7−R2H4) ← (B)
tion: (R2H3−R2H0) ← (A)
Grouping: Timer operation
Description: Transfers the contents of register B to the high-order 4 bits
of timer 2 and timer 2 reload register R2H. Transfers the
contents of register A to the low-order 4 bits of timer 2 and
timer 2 reload register R2H.
T2R2L (Transfer data to timer 2 from register R2L)
Instruc-
tion
code
D9
D0
1 0 1 0 0 1 0 1 0 1 ₂ 2 9 5 ₁₆
Number of
words
1
Number of
cycles
1
Flag CY
-
Skip condition
-
Opera- (T27−T20) ← (R2L7−R2L0)
tion:
Grouping: Timer operation
Description: Transfers the contents of reload register R2L to timer 2.
TAB (Transfer data to Accumulator from register B)
Instruc-
tion
code
D9
D0
0 0 0 0 0 1 1 1 1 0 ₂ 0 1 E ₁₆
Number of
words
1
Number of
cycles
1
Flag CY
-
Skip condition
-
Opera- (A) ← (B)
tion:
Grouping: Register to register transfer
Description: Transfers the contents of register B to register A.
TAB1 (Transfer data to Accumulator and register B from timer 1)
Instruc-
Number of
tion
code
D9
D0
1 0 0 1 1 1 0 0 0 0 ₂ 2 7 0 ₁₆
words
1
Number of
cycles
1
Flag CY
-
Skip condition
-
Opera- (B) ← (T17−T14)
tion: (A) ← (T13−T10)
Grouping: Timer operation
Description: Transfers the high-order 4 bits (T17−T14) of timer 1 to reg-
ister B.
Transfers the low-order 4 bits (T13−T10) of timer 1 to regis-
ter A.
Rev.1.01 Feb 15, 2008 Page 104 of 146
REJ03B0224-0101