参数资料
型号: M34519M8-XXXFP
元件分类: 微控制器/微处理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PDSO42
封装: 0.450 INCH, 0.80 MM PITCH, PLASTIC, SSOP-42
文件页数: 137/138页
文件大小: 1146K
代理商: M34519M8-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.3.01
2005.06.15
page 96 of 160
REJ03B0007-0301
4519 Group
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
DWDT (Disable WatchDog Timer)
1010011100
29C
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
EI (Enable Interrupt)
0000000101
005
11
Grouping:
Interrupt control operation
Description: Sets (1) to interrupt enable flag INTE, and
enables the interrupt.
Note:
Interrupt is enabled by executing the EI in-
struction after executing 1 machine cycle.
Operation:
(INTE)
← 1
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
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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