參數(shù)資料
型號: M3455AG8FP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PQFP52
封裝: 10 X 10 MM, 0.65 MM PITCH, PLASTIC, LQFP-52
文件頁數(shù): 8/150頁
文件大?。?/td> 1818K
代理商: M3455AG8FP
Rev.1.02
Nov 26, 2008
Page 103 of 146
REJ03B0224-0102
455A Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
SZC
(Skip if Zero, Carry flag )
Instruc-
tion
code
D9
D0
Number of
words
Number of
cycles
Flag CY
Skip condition
0
00
010
11
11 2 02 F 16
11
-
(CY) = 0
Opera-
tion:
(CY) = 0 ?
Grouping:
Arithmetic operation
Description: Skips the next instruction when the contents of carry flag
CY is “0”.
After skipping, the CY flag remains unchanged.
Executes the next instruction when the contents of the CY
flag is “1”.
SZD
(Skip if Zero, port D specified by register Y)
Instruc-
tion
code
D9
D0
Number of
words
Number of
cycles
Flag CY
Skip condition
0
00
010
01
00 2 02 4 16
2
-
(D(Y)) = 0
0
00
010
10
11 2 02 B 16 Grouping:
Input/Output operation
Description: Skips the next instruction when a bit of port D specified by
register Y is “0”. Executes the next instruction when the bit
is “1”.
Note:
(Y) = 0 to 5.
Do not execute this instruction if values except above are
set to register Y.
Opera-
tion:
(D(Y)) = 0 ?
(Y) = 0 to 5
T1AB
(Transfer data to timer 1 and register R1 from Accumulator and register B)
Instruc-
tion
code
D9
D0
Number of
words
Number of
cycles
Flag CY
Skip condition
1
00
011
00
00 2 23 0 16
11
-
Opera-
tion:
(T17
T14) (B)
(R17
R14) (B)
(T13
T10) (A)
(R13
R10) (A)
Grouping:
Timer operation
Description: Transfers the contents of register B to the high-order 4 bits
of timer 1 and timer 1 reload 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 R2L from Accumulator and register B)
Instruc-
tion
code
D9
D0
Number of
words
Number of
cycles
Flag CY
Skip condition
1
00
011
00
01 2 23 1 16
11
-
Opera-
tion:
(T27
T24) (B)
(R2L7
R2L4) (B)
(T23
T20) (A)
(R2L3
R2L0) (A)
Grouping:
Timer operation
Description: Transfers the contents of register B to the high-order 4 bits
(T27
T24) of timer 2 and the high-order 4 bits (R2L7R2L4)
of timer 2 reload register R2L. Transfers the contents of
register A to the low-order 4 bits (T23
T20) of timer 2 and
the low-order 4 bits (R2L3
R2L0) of timer 2 reload register
R2.
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