參數(shù)資料
型號(hào): M34502M2-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, MICROCONTROLLER, PDSO24
封裝: 5.30 X 10.10 MM, 0.80 MM PITCH, PLASTIC, SSOP-24
文件頁(yè)數(shù): 85/116頁(yè)
文件大?。?/td> 896K
代理商: M34502M2-XXXFP
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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.3.01
2005.02.02
page 70 of 112
REJ03B0105-0301
4502 Group
POF (Power OFf1)
0000000010
002
11
Grouping:
Other operation
Description: Puts the system in RAM back-up state by
executing the POF instruction after execut-
ing the EPOF instruction.
However, the voltage drop detection circuit is valid.
Note:
If the EPOF instruction is not executed before
executing this instruction, this instruction is
equivalent to the NOP instruction.
POF2 (Power OFf2)
0000001000
008
11
Grouping:
Other operation
Description: Puts the system in RAM back-up state by
executing the POF2 instruction after ex-
ecuting the EPOF instruction. Operations of
all functions are stopped.
Note:
If the EPOF instruction is not executed before
executing this instruction, this instruction is
equivalent to the NOP instruction.
Operation:
RAM back-up
Operation:
RAM back-up
However, voltage drop detection circuit valid
RAR (Rotate Accumulator Right)
0000011101
01D
11
0/1
Grouping:
Arithmetic operation
Description: Rotates 1 bit of the contents of register A in-
cluding the contents of carry flag CY to the
right.
Operation:
→ CY → A3A2A1A0
RB j (Reset Bit)
00010011j
j
0
4
11
Grouping:
Bit operation
Description: Clears (0) the contents of bit j (bit specified
by the value j in the immediate field) of
M(DP).
Operation:
(Mj(DP))
← 0
j = 0 to 3
C
+j
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
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