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W541C260 PDF预览

W541C260

更新时间: 2024-11-29 20:04:19
品牌 Logo 应用领域
华邦 - WINBOND 可编程只读存储器时钟微控制器外围集成电路
页数 文件大小 规格书
9页 54K
描述
Microcontroller, 4-Bit, OTPROM, 4MHz, CMOS, PQFP80, QFP-80

W541C260 技术参数

生命周期:Obsolete零件包装代码:QFP
包装说明:QFP, QFP80(UNSPEC)针数:80
Reach Compliance Code:unknownHTS代码:8542.31.00.01
风险等级:5.84具有ADC:NO
地址总线宽度:位大小:4
最大时钟频率:4 MHzDAC 通道:NO
DMA 通道:NO外部数据总线宽度:
JESD-30 代码:R-PQFP-G80I/O 线路数量:20
端子数量:80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:QFP
封装等效代码:QFP80(UNSPEC)封装形状:RECTANGULAR
封装形式:FLATPACK电源:2.5/5 V
认证状态:Not QualifiedRAM(字节):64
ROM(单词):2048ROM可编程性:OTPROM
速度:4 MHz子类别:Microcontrollers
最大压摆率:4 mA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
端子位置:QUADuPs/uCs/外围集成电路类型:MICROCONTROLLER
Base Number Matches:1

W541C260 数据手册

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PRELIMINARY  
W541C260  
4-BIT MICROCONTROLLER  
GENERAL DESCRIPTION  
The W541C260 is cost down version of W741C260 and all function are same as W741C260. It is a  
high-performance 4-bit microcontroller (µC) with an LCD driver. The device contains a 4-bit ALU, two  
8-bit timers, two dividers, a 32 × 4 LCD driver, and five 4-bit I/O ports (including 1 output port to drive  
the LEDs). There are also five interrupt sources and 8-level subroutine nesting for interrupt  
applications. The W541C260 has one power reduction mode to help minimize power dissipation.  
The W541C260 has two oscillator circuits and can work in dual-clock or single-clock operation mode.  
It is suitable for remote controllers, watches and clocks, speech synthesis LSI controllers, and other  
products.  
FEATURES  
Operating voltage: 2.4V5.5V (LCD drive voltage: 3.0V, or 4.5V)  
Single or Dual Clock Mode  
-
Single (main oscillator only) or dual clock (both main and sub-oscilator) by mask option .  
Sub-oscillator is only 32.768 KHz crystal for dual clock mode.  
Main oscillator is crystal or RC oscillation by mask code option .  
Main clock : High-frequency clock (400 KHz to 4 MHz) or low-frequency clock (32.768 KHz) is  
selected by mask code option  
Memory  
2048 × 16 bit program ROM (including 2K × 4 bit look-up table)  
128 × 4 bit data RAM (including 16 working registers)  
32 × 4 LCD data RAM  
21 input/output pins  
Ports for input only: 2 ports/8 pins  
Input/output ports: 2 ports/8 pins  
Port for output only: 1 port /4 pins (high sink current to drive LEDs)  
MFP output pin: 1 pin (MFP)  
Power-down mode  
Hold function: no operation (except for oscillator)  
Stop function: no operation (including main clock)  
Five types of interrupts  
Four internal interrupts (Divider 0, Divider 1, Timer 0, Timer 1)  
One external interrupt (Port RC)  
Publication Release Date: July 2002  
- 1 -  
Revision A2  

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