參數(shù)資料
型號: M34282M2-XXXGP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 1 MHz, MICROCONTROLLER, PDSO20
封裝: 0.225 INCH, 0.65 MM PITCH, PLASTIC, SSOP-20
文件頁數(shù): 26/71頁
文件大小: 547K
代理商: M34282M2-XXXGP
Skip condition
Number of
cycles
Number of
words
Instrunction
code
D8
D0
Flag CY
2
16
Skip condition
Number of
cycles
Number of
words
Instrunction
code
D8
D0
Flag CY
2
16
Skip condition
Number of
cycles
Number of
words
Instrunction
code
D8
D0
Flag CY
2
16
Skip condition
Number of
cycles
Number of
words
Instrunction
code
D8
D0
Flag CY
2
16
Rev.1.33
Mar 18, 2004
page 30 of 67
4282 Group
IAE (Input Accumulator from port E)
001010110
056
11
Grouping:
Input/Output operation
Description: Transfers the contents of port E to register
A.
Operation:
(A2–A0)
← (E2–E0)
IAG (Input Accumulator from port G)
000101000
028
11
Grouping:
Input/Output operation
Description: Transfers the contents of port G to register
A.
Operation:
(A)
← (G)
CMA (CoMplement of Accumulator)
000011100
01C
11
Grouping:
Arithmetic operation
Description: Stores the one’s complement for register
A’s contents in register A.
Operation:
(A)
← (A)
DEY (DEcrement register Y)
000010111
017
11
(Y) = 15
Grouping:
RAM addresses
Description: Subtracts 1 from the contents of register Y.
As a result of subtraction, when the con-
tents of register Y is 15, the next instruction
is skipped.
Operation:
(Y)
← (Y) – 1
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