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: 128/143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
4509 Group
Rev.1.03
2009.07.27
page 85 of 140
REJ03B0147-0103
CMA (CoMplement of Accumulator)
0000011100
01C
11
Grouping:
Arithmetic operation
Description: Stores the one’s complement for register
A’s contents in register A.
Operation:
(A) ← (A)
CRCK (Clock select: Rc oscillation ClocK)
1010011011
29B
11
Grouping:
Other operation
Description: Selects the RC oscillation circuit for main
clock f(XIN).
Operation:
RC oscillation circuit selected
DEY (DEcrement register Y)
0000010111
017
11
(Y) = 15
Grouping:
RAM addresses
Description: Subtracts 1 from the contents of register Y.
As a result of subtraction, when the con-
tents of register Y is 15, the next instruction
is skipped. When the contents of register Y
is not 15, the next instruction is executed.
Operation:
(Y) ← (Y) – 1
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
DI (Disable Interrupt)
0000000100
004
11
Grouping:
Interrupt control operation
Description: Clears (0) to interrupt enable flag INTE, and
disables the interrupt.
Note:
Interrupt is disabled by executing the DI in-
struction after executing 1 machine cycle.
Operation:
(INTE) ← 0
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