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參數(shù)資料
| 型號： | W77LE58P-25 |
| 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, 25 MHz, MICROCONTROLLER, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁數(shù)： | 58/81頁 |
| 文件大?。?/td> | 657K |
| 代理商： | W77LE58P-25 |
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Preliminary W77LE58
- 58 -
Programmable Clock-out
Timer 2 is equipped with a new clock-out feature which outputs a 50% duty cycle clock on P1.0. It can
be invoked as a programmable clock generator. To configure Timer 2 with clock-out mode, software
must initiate it by setting bit T2OE = 1, C/T2 = 0 and CP/RL = 0. Setting bit TR2 will start the timer.
This mode is similar to the baud rate generator mode, it will not generate an interrupt while Timer 2
overflow. So it is possible to use Timer 2 as a baud rate generator and a clock generator at the same
time. The clock-out frequency is determined by the following equation:
The Clock-out Frequency = Oscillator Frequency / [4 x (65536-RCAP2H, RCAP2L)]
T2CON.6
TR2 = T2CON.2
T2EX = P1.1
EXEN2 = T2CON.3
EXF2
T2 = P1.0
Timer 2
Interrupt
TH2
TL2
RCAP2H
RCAP2L
Clock Source
Mode input
div. by 4 osc/2
div. by 64 osc/32
div. by 1024 osc/512
1/2
T20E
Figure 18. Programmable Clock-Out Mode
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 flag is set, which can cause an interrupt if enabled, and a system reset can also be
caused if it is enabled. The interrupt will occur if the individual interrupt enable and the global enable
are set. The interrupt and reset functions are independent of each other and may be used separately
or together depending on the users software.
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| W78L51P-24 | 8-BIT MICROCONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W77M032A | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W77M032A25DL | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W77M032A25FL | 功能描述:IC MCU 8-BIT 1K SRAM 44-PQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:W77 標(biāo)準(zhǔn)包裝:60 系列:PSOC® 3 CY8C38xx 核心處理器:8051 芯體尺寸:8-位 速度:67MHz 連通性:EBI/EMI，I²C，LIN，SPI，UART/USART 外圍設(shè)備:電容感應(yīng)，DMA，LCD，POR，PWM，WDT 輸入/輸出數(shù):25 程序存儲器容量:64KB（64K x 8） 程序存儲器類型:閃存 EEPROM 大小:2K x 8 RAM 容量:8K x 8 電壓 - 電源 (Vcc/Vdd):1.71 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 2x20b，D/A 4x8b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:48-VFQFN 裸露焊盤 包裝:托盤 |
| W77M032A25PL | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W780 | 制造商:LUMINIS 制造商全稱:LUMINIS 功能描述:Ceiling mount |
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