參數(shù)資料
型號(hào): M34282M1-XXXGP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 4 MHz, MICROCONTROLLER, PDSO20
封裝: 0.225 INCH, 0.65 MM PITCH, PLASTIC, SSOP-20
文件頁(yè)數(shù): 20/70頁(yè)
文件大?。?/td> 625K
代理商: M34282M1-XXXGP
4282 Group
MITSUBISHI MICROCOMPUTERS
27
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
MACHINE INSTRUCTIONS (INDEX BY ALPHABET)
A n (Add n and accumulator)
01010
n3
n2
n1
n0
0A
n
11
Overflow = 0
Grouping:
Arithmetic operation
Description: Adds the value n in the immediate field to
register A.
The contents of carry flag CY remains un-
changed.
Skips the next instruction when there is no
overflow as the result of operation.
Operation:
(A)
← (A) + n
n = 0 to 15
AM (Add accumulator and Memory)
000001010
00A
11
Grouping:
Arithmetic operation
Description: Adds the contents of M(DP) to register A.
Stores the result in register A. The contents
of carry flag CY remains unchanged.
Operation:
(A)
← (A) + (M(DP))
AMC (Add accumulator, Memory and Carry)
000001011
00B
11
0/1
Grouping:
Arithmetic operation
Description: Adds the contents of M(DP) and carry flag
CY to register A. Stores the result in regis-
ter A and carry flag CY.
Operation:
(A)
← (A) + (M(DP)) + (CY)
(CY)
← Carry
B a (Branch to address a)
11a6
a5
a4
a3
a2
a1
a0
1a
11
Grouping:
Branch operation
Description: Branch within a page : Branches to address
a in the identical page.
Operation:
(PCL)
← a6–a0
8
+a
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