參數(shù)資料
型號： M34556G8HFP
元件分類： 微控制器/微處理器
英文描述： 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PDSO42
封裝： 0.450 INCH, 0.80 MM PITCH, PLASTIC, SSOP-42
文件頁數(shù)： 141/147頁
文件大小： 1087K
代理商： M34556G8HFP
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 91 of 142
REJ03B0025-0302
4556 Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
SNZT1 (Skip if Non Zero condition of Timer 1 interrupt request flag)
1010000000
280
11
–
V12 = 0: (T1F) = 1
Grouping:
Timer operation
Description: When V12 = 0 : Clears (0) to the T1F flag
and skips the next instruction when timer 1
interrupt request flag T1F is “1.” When the
T1F flag is “0,” executes the next instruc-
tion.
When V12 = 1 : This instruction is equiva-
lent to the NOP instruction.
Operation:
V12 = 0: (T1F) = 1 ?
(T1F)
← 0
V12 = 1: SNZT1 = NOP
(V12 = bit 2 of interrupt control register V1)
SNZT2 (Skip if Non Zero condition of Timer 2 interrupt request flag)
1010000001
281
11
–
V13 = 0: (T2F) = 1
Grouping:
Timer operation
Description: When V13 = 0 : Clears (0) to the T2F flag
and skips the next instruction when timer 2
interrupt request flag T2F is “1.” When the
T2F flag is “0,” executes the next instruc-
tion.
When V13 = 1 : This instruction is equiva-
lent to the NOP instruction.
Operation:
V13 = 0: (T2F) = 1 ?
(T2F)
← 0
V13 = 1: SNZT2 = NOP
(V13 = bit 3 of interrupt control register V1)
SNZP (Skip if Non Zero condition of Power down flag)
0000000011
003
11
–
(P) = 1
Grouping:
Other operation
Description: Skips the next instruction when the P flag is
“1”.
After skipping, the P flag remains un-
changed.
Executes the next instruction when the P
flag is “0.”
Operation:
(P) = 1 ?
SNZI0 (Skip if Non Zero condition of external 0 Interrupt input pin)
0000111010
03A
11
–
I12 = 0 : (INT) = “L”
I12 = 1 : (INT) = “H”
Grouping:
Interrupt operation
Description: When I12 = 0 : Skips the next instruction
when the level of INT pin is “L.” Executes
the next instruction when the level of INT
pin is “H.”
When I12 = 1 : Skips the next instruction
when the level of INT pin is “H.” Executes
the next instruction when the level of INT
pin is “L.”
Operation:
I12 = 0 : (INT) = “L” ?
I12 = 1 : (INT) = “H” ?
(I12 : bit 2 of the interrupt control register I1)
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