參數(shù)資料
型號: M34554MC-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP64
封裝: 14 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-64
文件頁數(shù): 119/138頁
文件大?。?/td> 1082K
代理商: M34554MC-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.3.00
Aug 06, 2004
page 81 of 136
REJ03B0043-0300Z
4554 Group
CMCK (Clock select: ceraMic oscillation ClocK)
1010011010
29A
11
Grouping:
Other operation
Description: Selects the ceramic oscillation circuit and
stops the on-chip oscillator.
Operation:
Ceramic oscillation circuit selected
CRCK (Clock select: Rc oscillation ClocK)
1010011011
29B
11
Grouping:
Other operation
Description: Selects the RC oscillation circuit and stops
the on-chip oscillator.
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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