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參數(shù)資料
| 型號： | W541E204 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4 BIT FLASH EPROM MICROCONTROLLER |
| 中文描述： | 4-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PDSO20 |
| 封裝： | 0.300 INCH, SOP-20 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大小： | 93K |
| 代理商： | W541E204 |
PRELIMINARY W541E20X
4-BIT FLASH EPROM MICROCONTROLLER
Publication Release Date: June 2003
- 1 -
Revision A2
GENERAL DESCRIPTION
The W541E20X is fully compatible with W741E20X in terms of pin assignment and IC function. It is a
high-performance 4-bit microcontroller (
μ
C) that provides an flash EEPROM for the program memory.
The device contains a 4-bit ALU, two 8-bit timers, a divider, a serial port, and five 4-bit I/O ports
(including 3 output port for LED driving). There are also seven interrupt sources and 8-level subroutine
nesting for interrupt applications. The W541E20X has two power reduction modes, hold mode and
stop mode, which help to minimize power dissipation.
The W541E20X is suitable for end product manufacturer engineering testing and earlier samples
before mass production.
FEATURES
Operating voltage: 2.4V
5.5V
Crystal or RC oscillation circuit can be selected by the code option
Crystal/Ceramic oscillator: up to 4 MHz
RC oscillator: up to 4 MHz
Both in crystal or RC oscillator operation mode, high-frequency (400 KHz to 4 MHz) or low-frequency
(32.768 KHz) oscillation must be determined by the code option
Memory
2048
×
16 bit program flash EEPROM (including 2K
×
4 bit look-up table)
128
×
4 bit data RAM (including 16 working registers)
21 input/output pins
Input/output ports: 4 ports/16 pins
Serial input/output port: 1 port /4 pins (high sink current for LED driving)
-
MFP output pin: 1 pin (MFP)
-
Do not be floating when it is as input or output open-drain (NMOS type).
Power-down mode
Hold function: no operation (except for oscillator)
Stop function: no operation (including oscillator)
Seven types of interrupts
Five internal interrupts (Divider 0, Timer 0, Timer 1, and Serial I/O)
Two external interrupts (Port RC and
INT
pin)
MFP output pin
Output is software selectable as modulating or nonmodulating frequency
Works as frequency output specified by Timer 1
Built-in 14-bit clock frequency divider circuit
Two built-in 8-bit programmable countdown timers
Timer 0: One of two internal clock frequencies (F
OSC
/4 or F
OSC
/1024) can be selected
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PDF描述 |
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| W541E20X | 4 BIT FLASH EPROM MICROCONTROLLER |
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| W55206B | 128K×1bit CMOS Static RAM For Serial Voice Recording(用于錄音的128K×1位的CMOS靜態(tài)RAM) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W541E204G | 制造商:TALEMA 制造商全稱:TALEMA 功能描述:Oscillation frequency up to 4 MHz , Crystal or RC oscillator is selected by mask code option |
| W541E205 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:4 BIT FLASH EPROM MICROCONTROLLER |
| W541E20X | 制造商:WINBOND 制造商全稱:Winbond 功能描述:4 BIT FLASH EPROM MICROCONTROLLER |
| W541E260 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT FLASH EPROM MICROCONTROLLER |
| W541E261 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:4BIT MICROCONTROLLER, 2K 】16 ROM, 128 】4 RAM 128 -DOT LCD |
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