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參數(shù)資料
| 型號： | M34583EDFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PQFP32 |
| 封裝： | 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32 |
| 文件頁數(shù)： | 67/153頁 |
| 文件大小： | 947K |
| 代理商： | M34583EDFP |
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Rev.3.00
Aug 06, 2004
page 20 of 151
REJ03B0009-0300Z
4583 Group
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
INTERRUPT FUNCTION
The interrupt type is a vectored interrupt branching to an individual
address (interrupt address) according to each interrupt source. An
interrupt occurs when the following 3 conditions are satisfied.
An interrupt activated condition is satisfied (request flag = “1”)
Interrupt enable bit is enabled (“1”)
Interrupt enable flag is enabled (INTE = “1”)
Table 3 shows interrupt sources. (Refer to each interrupt request
flag for details of activated conditions.)
(1) Interrupt enable flag (INTE)
The interrupt enable flag (INTE) controls whether the every inter-
rupt enable/disable. Interrupts are enabled when INTE flag is set to
“1” with the EI instruction and disabled when INTE flag is cleared to
“0” with the DI instruction. When any interrupt occurs, the INTE flag
is automatically cleared to “0,” so that other interrupts are disabled
until the EI instruction is executed.
(2) Interrupt enable bit
Use an interrupt enable bit of interrupt control registers V1 and V2
to select the corresponding interrupt or skip instruction.
Table 4 shows the interrupt request flag, interrupt enable bit and
skip instruction.
Table 5 shows the interrupt enable bit function.
(3) Interrupt request flag
When the activated condition for each interrupt is satisfied, the cor-
responding interrupt request flag is set to “1.” Each interrupt
request flag is cleared to “0” when either;
an interrupt occurs, or
the next instruction is skipped with a skip instruction.
Each interrupt request flag is set when the activated condition is
satisfied even if the interrupt is disabled by the INTE flag or its in-
terrupt enable bit. Once set, the interrupt request flag retains set
until a clear condition is satisfied.
Accordingly, an interrupt occurs when the interrupt disable state is
released while the interrupt request flag is set.
If more than one interrupt request flag is set when the interrupt dis-
able state is released, the interrupt priority level is as follows
shown in Table 3.
Table 3 Interrupt sources
Activated condition
Level change of
INT0 pin
Level change of
INT1 pin
Timer 1 underflow
Timer 2 underflow
Timer 3 underflow
Timer 4 underflow
Completion of
A/D conversion
Priority
level
1
2
3
4
5
6
7
Interrupt name
External 0 interrupt
External 1 interrupt
Timer 1 interrupt
Timer 2 interrupt
Timer 3 interrupt
Timer 4 interrupt
A/D interrupt
Interrupt
request flag
EXF0
EXF1
T1F
T2F
T3F
T4F
ADF
Interrupt name
External 0 interrupt
External 1 interrupt
Timer 1 interrupt
Timer 2 interrupt
Timer 3 interrupt
Timer 4 interrupt
A/D interrupt
Table 5 Interrupt enable bit function
Occurrence of interrupt
Enabled
Disabled
Skip instruction
Invalid
Valid
Interrupt enable bit
1
0
Interrupt
address
Address 0
in page 1
Address 2
in page 1
Address 4
in page 1
Address 6
in page 1
Address 8
in page 1
Address A
in page 1
Address C
in page 1
Table 4 Interrupt request flag, interrupt enable bit and skip in-
struction
Skip instruction
SNZ0
SNZ1
SNZT1
SNZT2
SNZT3
SNZT4
SNZAD
Interrupt
enable bit
V10
V11
V12
V13
V20
V21
V22
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M34583MD-XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34584EDFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34584MD-XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M3459 | 功能描述:電纜固定件和配件 RLTCG 3/8 NPT GRAY NO NUT RoHS:否 制造商:Heyco 類型:Cable Grips, Liquid Tight 材料:Nylon 顏色:Black 安裝方法:Cable 最大光束直徑:11.4 mm 抗拉強度: |
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