參數(shù)資料
型號(hào): M34556G8HFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PDSO42
封裝: 0.450 INCH, 0.80 MM PITCH, PLASTIC, SSOP-42
文件頁數(shù): 128/147頁
文件大?。?/td> 1087K
代理商: M34556G8HFP
Skip condition
Number of
cycles
Number of
words
Instruction
code
D9
D0
Flag CY
2
16
Skip condition
Number of
cycles
Number of
words
Instruction
code
D9
D0
Flag CY
2
16
Skip condition
Number of
cycles
Number of
words
Instruction
code
D9
D0
Flag CY
2
16
Skip condition
Number of
cycles
Number of
words
Instruction
code
D9
D0
Flag CY
2
16
Rev.3.02
Dec 22, 2006
page 79 of 142
REJ03B0025-0302
4556 Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET)
A n (Add n and accumulator)
000110nnnn
06n
11
Overflow = 0
Grouping:
Arithmetic operation
Description: Adds the value n in the immediate field to
register A, and stores a result in register A.
The contents of carry flag CY remains unchanged.
Skips the next instruction when there is no
overflow as the result of operation.
Executes the next instruction when there is
overflow as the result of operation.
Operation:
(A)
← (A) + n
n = 0 to 15
AM (Add accumulator and Memory)
0000001010
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)
0000001011
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
AND (logical AND between accumulator and memory)
0000011000
018
11
––
Grouping:
Arithmetic operation
Description: Takes the AND operation between the con-
tents of register A and the contents of
M(DP), and stores the result in register A.
Operation:
(A)
← (A) AND (M(DP))
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