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參數資料
型號: W77E058A40FL
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, FLASH, 40 MHz, MICROCONTROLLER, PQFP44
封裝: ROHS COMPLIANT, PLASTIC, QFP-44
文件頁數: 50/87頁
文件大小: 594K
代理商: W77E058A40FL
W77E058A
- 50 -
11.2 Priority Level Structure
There are three priority levels for the interrupts, highest, high and low. The interrupt sources can be
individually set to either high or low levels. Naturally, a higher priority interrupt cannot be interrupted
by a lower priority interrupt. However there exists a pre-defined hierarchy amongst the interrupts
themselves. This hierarchy comes into play when the interrupt controller has to resolve simultaneous
requests having the same priority level. This hierarchy is defined as shown below; the interrupts are
numbered starting from the highest priority to the lowest.
Table 7. Priority structure of interrupts
SOURCE
FLAG
PRIORITY LEVEL
External Interrupt 0
IE0
1(highest)
Timer 0 Overflow
TF0
2
External Interrupt 1
IE1
3
Timer 1 Overflow
TF1
4
Serial Port
RI + TI
5
Timer 2 Overflow
TF2 + EXF2
6
Serial Port 1
RI_1 + TI_1
7
External Interrupt 2
IE2
8
External Interrupt 3
IE3
9
External Interrupt 4
IE4
10
External Interrupt 5
IE5
11
Watchdog Timer
WDIF
12 (lowest)
相關PDF資料
PDF描述
W77E058A40PL 8-BIT MICROCONTROLLER
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相關代理商/技術參數
參數描述
W77E058A40PL 功能描述:IC MCU 8-BIT 32K FLASH 44-PLCC RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:W77 標準包裝:250 系列:56F8xxx 核心處理器:56800E 芯體尺寸:16-位 速度:60MHz 連通性:CAN,SCI,SPI 外圍設備:POR,PWM,溫度傳感器,WDT 輸入/輸出數:21 程序存儲器容量:40KB(20K x 16) 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:6K x 16 電壓 - 電源 (Vcc/Vdd):2.25 V ~ 3.6 V 數據轉換器:A/D 6x12b 振蕩器型:內部 工作溫度:-40°C ~ 125°C 封裝/外殼:48-LQFP 包裝:托盤 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323
W77E11 制造商:OMRON INDUSTRIAL AUTOMATION 功能描述:EXECUTION EX. NO.1 DX CODE ZA
W77E468 制造商:WINBOND 制造商全稱:Winbond 功能描述:8 BIT MICROCONTROLLER
W77E468F-25 制造商:WINBOND 制造商全稱:Winbond 功能描述:8 BIT MICROCONTROLLER
W77E468F-40 制造商:WINBOND 制造商全稱:Winbond 功能描述:8 BIT MICROCONTROLLER