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參數資料
型號: W78L801P-24
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8-BIT, MROM, 24 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數: 6/20頁
文件大?。?/td> 270K
代理商: W78L801P-24
W78L801
- 6 -
1 interrupts. Each flag in IRQ register will be set when an interrupt request is recognized but
must be
cleared by software
. Note that the interrupt flags have to be cleared before the interrupt service
routine is completed, or else another interrupt will be generated.
Interrupt Enable Register 0
Bit:
7
6
-
5
-
4
-
3
2
1
0
EA
ET1
EX1
ET0
EX0
Mnemonic: IE
Address: A8H
EA : Global enable. Enable/disable all interrupts.
ET1: Enable Timer 1 interrupt
EX1: Enable external interrupt 1
ET0: Enable Timer 0 interrupt
EX0: Enable external interrupt 0
Interrupt Enable Register 1
Bit:
7
6
5
4
3
2
1
0
EX9
EX8
EX7
EX6
EX5
EX4
EX3
EX2
Mnemonic: IE1
Address: E8H
EX9: Enable external interrupt 9
EX8: Enable external interrupt 8
EX7: Enable external interrupt 7
EX6: Enable external interrupt 6
EX5: Enable external interrupt 5
EX4: Enable external interrupt 4
EX3: Enable external interrupt 3
EX2: Enable external interrupt 2
Note: 0 = interrupt disabled, 1 = interrupt enabled.
Interrupt Priority Register 0
Bit:
7
-
6
5
4
3
2
1
0
PS1
PT2
PS
PT1
PX1
PT0
PX0
Mnemonic: IP0
Address: B8h
IP.7: Unused.
PS1: This bit defines the Serial port 1 interrupt priority. PS = 1 sets it to higher priority level.
PT2: This bit defines the Timer 2 interrupt priority. PT2 = 1 sets it to higher priority level.
PS : This bit defines the Serial port 0 interrupt priority. PS = 1 sets it to higher priority level.
PT1: This bit defines the Timer 1 interrupt priority. PT1 = 1 sets it to higher priority level.
PX1: This bit defines the External interrupt 1 priority. PX1 = 1 sets it to higher priority level.
PT0: This bit defines the Timer 0 interrupt priority. PT0 = 1 sets it to higher priority level.
PX0: This bit defines the External interrupt 0 priority. PX0 = 1 sets it to higher priority level.
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