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W78E54C-40 PDF预览

W78E54C-40

更新时间: 2024-11-19 03:36:31
品牌 Logo 应用领域
华邦 - WINBOND 微控制器光电二极管
页数 文件大小 规格书
24页 292K
描述
Microcontroller, 8-Bit, FLASH, 8051 CPU, 20MHz, CMOS, PDIP40,

W78E54C-40 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:DIP包装说明:DIP-40
针数:40Reach Compliance Code:not_compliant
ECCN代码:3A991.A.2HTS代码:8542.31.00.01
风险等级:5.92具有ADC:NO
地址总线宽度:16位大小:8
CPU系列:8051最大时钟频率:40 MHz
DAC 通道:NODMA 通道:NO
外部数据总线宽度:8JESD-30 代码:R-PDIP-T40
JESD-609代码:e0长度:52.2 mm
I/O 线路数量:32端子数量:40
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:DIP封装等效代码:DIP40,.6
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):NOT SPECIFIED电源:5 V
认证状态:Not QualifiedRAM(字节):256
ROM(单词):16384ROM可编程性:FLASH
座面最大高度:5.334 mm速度:40 MHz
子类别:Microcontrollers最大压摆率:20 mA
最大供电电压:5.5 V最小供电电压:4.5 V
标称供电电压:5 V表面贴装:NO
技术:CMOS温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:15.24 mm
uPs/uCs/外围集成电路类型:MICROCONTROLLER

W78E54C-40 数据手册

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W78E54C Data Sheet  
8-BIT MICROCONTROLLER  
Table of Contents-  
1.  
2.  
3.  
4.  
5.  
6.  
GENERAL DESCRIPTION ......................................................................................................... 3  
FEATURES................................................................................................................................. 3  
PIN CONFIGURATIONS ............................................................................................................ 4  
PIN DESCRIPTION..................................................................................................................... 5  
BLOCK DIAGRAM ...................................................................................................................... 6  
FUNCTIONAL DESCRIPTION ................................................................................................... 7  
6.1  
6.2  
Timers 0, 1, and 2........................................................................................................... 7  
New Defined Peripheral.................................................................................................. 7  
6.2.1 INT2 / INT3 ...................................................................................................................7  
6.2.2 PORT4 .............................................................................................................................8  
6.2.3 Reduce EMI Emission ......................................................................................................8  
6.3  
6.4  
6.5  
6.6  
6.7  
Power-off Flag ................................................................................................................ 9  
Watchdog Timer ............................................................................................................. 9  
Clock............................................................................................................................. 11  
Power Management...................................................................................................... 11  
Reset............................................................................................................................. 11  
7.  
8.  
SECURITY BITS....................................................................................................................... 11  
7.1  
7.2  
7.3  
Lock Bit ......................................................................................................................... 12  
MOVC Inhibit................................................................................................................. 12  
Encryption..................................................................................................................... 12  
ELECTRICAL CHARACTERISTICS......................................................................................... 13  
8.1  
8.2  
8.3  
Absolute Maximum Ratings.......................................................................................... 13  
D.C. Characteristics...................................................................................................... 13  
A.C. Characteristics...................................................................................................... 15  
8.3.1 Clock Input Waveform ....................................................................................................15  
8.3.2 Program Fetch Cycle......................................................................................................15  
8.3.3 Data Read Cycle ............................................................................................................16  
8.3.4 Data Write Cycle.............................................................................................................16  
8.3.5 Port Access Cycle ..........................................................................................................16  
8.3.6 Program Operation.........................................................................................................16  
Publication Release Date: May 17, 2005  
- 1 -  
Revision A3  

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