参数资料
型号: M34509G4HFP
元件分类: 微控制器/微处理器
英文描述: 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PDSO24
封装: 5.30 X 10.10 MM, 0.80 MM PITCH, PLASTIC, SSOP-24
文件页数: 134/143页
文件大小: 1056K
代理商: M34509G4HFP
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.1.03
2009.07.27
page 90 of 140
REJ03B0147-0103
4509 Group
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
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))
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
POF (Power OFF)
0000000010
002
11
Grouping:
Other operation
Description: Puts the system in RAM back-up state by ex-
ecuting the POF instruction after executing
the EPOF instruction.
Note:
If the EPOF instruction is not executed just
before this instruction, this instruction is
equivalent to the NOP instruction.
Operation:
RAM back-up
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