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參數資料
| 型號： | W78L801F-24 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Circular Connector; MIL SPEC:MIL-C-26482, Series I; Body Material:Aluminum Alloy; Series:MS3126; No. of Contacts:11; Connector Shell Size:18; Connecting Termination:Crimp; Circular Shell Style:Straight Plug RoHS Compliant: No |
| 中文描述： | 8-BIT, MROM, 24 MHz, MICROCONTROLLER, PQFP44 |
| 封裝： | PLASTIC, QFP-44 |
| 文件頁數： | 8/20頁 |
| 文件大小： | 270K |
| 代理商： | W78L801F-24 |
W78L801
- 8 -
Table.1 Priority level for simultaneous requests of the same priority interrupt sources
SOURCE
FLAG
IE0
IQ5
TF0
IQ6
IE1
IQ2
IQ7
TF1
IQ3
IQ8
IQ4
IQ9
PRIORITY LEVEL
(highest)
VECTOR ADDRESS
0003H
0053H
000BH
005BH
0013H
003BH
0063H
001BH
0043H
006BH
004BH
0073H
External Interrupt 0
External Interrupt 5
Timer 0 Overflow
External Interrupt 6
External Interrupt 1
External Interrupt 2
External Interrupt 7
Timer 1 Overflow
External Interrupt 3
External Interrupt 8
External Interrupt 4
External Interrupt 9
(lowest)
Watchdog Timer
The Watchdog timer is a free-running timer which can be programmed by the user to serve as a
system monitor, a time-base generator or an event timer. It is basically a set of dividers that divide
the system clock. The divider output is selectable and determines the time-out interval. When the
time-out occurs, a system reset can be caused if it is enabled. The main use of the Watchdog timer is
as a system monitor. This is important in real-time control applications. In case of power glitches or
electro-magnetic interference, the processor may begin to execute errant code. If this is left
unchecked the entire system may crash. The watchdog time-out selection will result in different time-
out values depending on the clock speed. The Watchdog timer will be disabled on reset. In general,
software should restart the Watchdog timer to put it into a known state. The control bits that support
the Watchdog timer are discussed below.
Watchdog Timer Control Register
Bit:
7
6
5
4
-
3
-
2
1
0
ENW
CLRW
WIDL
PS2
PS1
PS0
Mnemonic: WDTC
Address: 8FH
ENW : Enable watch-dog if set.
CLRW : Clear watch-dog timer and prescaler if set. This flag will be cleared automatically
WIDL : If this bit is set, watch-dog is enabled under IDLE mode. If cleared, watch-dog is disabled
under IDLE mode. Default is cleared.
PS2, PS1, PS0 : Watch-dog prescaler timer select. Prescaler is selected when set PS2
0 as follows:
PS2 PS1 PS0
0 0 0
0 1 0
PRESCALER SELECT
2
4
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相關代理商/技術參數 |
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|---|---|
| W78L801P-24 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W78L812A | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W78L812A24DL | 功能描述:IC MCU 8-BIT 8K FLASH 40-DIP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:W78 標準包裝:300 系列:78K0R/Ix3 核心處理器:78K/0R 芯體尺寸:16-位 速度:40MHz 連通性:3 線 SIO，I²C，LIN，UART/USART 外圍設備:DMA，LVD，POR，PWM，WDT 輸入/輸出數:27 程序存儲器容量:16KB（16K x 8） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:1K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數據轉換器:A/D 8x10b 振蕩器型:內部 工作溫度:-40°C ~ 85°C 封裝/外殼:38-SSOP 包裝:托盤 |
| W78L812A24FL | 功能描述:IC MCU 8-BIT 8K FLASH 44-PQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:W78 標準包裝:300 系列:78K0R/Ix3 核心處理器:78K/0R 芯體尺寸:16-位 速度:40MHz 連通性:3 線 SIO，I²C，LIN，UART/USART 外圍設備:DMA，LVD，POR，PWM，WDT 輸入/輸出數:27 程序存儲器容量:16KB（16K x 8） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:1K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數據轉換器:A/D 8x10b 振蕩器型:內部 工作溫度:-40°C ~ 85°C 封裝/外殼:38-SSOP 包裝:托盤 |
| W78L812A24LL | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
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