參數(shù)資料
型號: M34554MC-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP64
封裝: 14 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-64
文件頁數(shù): 123/138頁
文件大?。?/td> 1082K
代理商: M34554MC-XXXFP
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.3.00
Aug 06, 2004
page 85 of 136
REJ03B0043-0300Z
4554 Group
OP0A (Output port P0 from Accumulator)
1000100000
220
11
Grouping:
Input/Output operation
Description: Outputs the contents of register A to port
P0.
Operation:
(P0)
← (A)
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
OP1A (Output port P1 from Accumulator)
1000100001
221
11
Grouping:
Input/Output operation
Description: Outputs the contents of register A to port
P1.
Operation:
(P1)
← (A)
OR (logical OR between accumulator and memory)
0000011001
019
11
Grouping:
Arithmetic operation
Description: Takes the OR operation between the con-
tents of register A and the contents of
M(DP), and stores the result in register A.
Operation:
(A)
← (A) OR (M(DP))
POF (Power OFf1)
0000000010
002
11
Grouping:
Other operation
Description: Puts the system in clock operating state by
executing the POF instruction after execut-
ing the EPOF instruction.
Note:
If the EPOF instruction is not executed before
executing this instruction, this instruction is
equivalent to the NOP instruction.
Operation:
Transition to clock operating mode
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