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W541E204 PDF预览

W541E204

更新时间: 2024-11-28 22:14:43
品牌 Logo 应用领域
华邦 - WINBOND 闪存微控制器可编程只读存储器电动程控只读存储器
页数 文件大小 规格书
14页 94K
描述
4 BIT FLASH EPROM MICROCONTROLLER

W541E204 技术参数

生命周期:Transferred零件包装代码:SOIC
包装说明:SOP,针数:20
Reach Compliance Code:unknownHTS代码:8542.31.00.01
风险等级:5.52具有ADC:NO
位大小:4最大时钟频率:4 MHz
DAC 通道:NODMA 通道:NO
JESD-30 代码:R-PDSO-G20长度:12.8 mm
I/O 线路数量:12端子数量:20
最高工作温度:70 °C最低工作温度:
PWM 通道:NO封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE认证状态:Not Qualified
ROM可编程性:OTPROM座面最大高度:2.65 mm
速度:4 MHz最大供电电压:5.5 V
最小供电电压:2.4 V标称供电电压:3 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
宽度:7.5 mmuPs/uCs/外围集成电路类型:MICROCONTROLLER
Base Number Matches:1

W541E204 数据手册

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PRELIMINARY W541E20X  
4-BIT FLASH EPROM MICROCONTROLLER  
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 (µC) 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: 2.4V5.5V  
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 (FOSC/4 or FOSC/1024) can be selected  
Publication Release Date: June 2003  
Revision A2  
- 1 -  

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