參數(shù)資料
型號(hào): M34556M4H-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PDSO42
封裝: 0.450 INCH, 0.80 MM PITCH, PLASTIC, SSOP-42
文件頁數(shù): 131/147頁
文件大小: 1087K
代理商: M34556M4H-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.3.02
Dec 22, 2006
page 82 of 142
REJ03B0025-0302
4556 Group
CRCK (Clock select: Rc oscillation ClocK)
1010011011
29B
11
Grouping:
Clock control operation
Description: Selects the RC oscillation circuit for main
clock f(XIN).
Operation:
RC oscillation circuit selected
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
DI (Disable Interrupt)
0000000100
00
4
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
DWDT (Disable WatchDog Timer)
1010011100
29
C
11
Grouping:
Other operation
Description: Stops the watchdog timer function by the
WRST instruction after executing the
DWDT instruction.
Operation:
Stop of watchdog timer function enabled
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
DEY (DEcrement register Y)
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