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W742E PDF预览

W742E

更新时间: 2024-11-06 22:14:39
品牌 Logo 应用领域
华邦 - WINBOND 微控制器
页数 文件大小 规格书
60页 731K
描述
4 BIT MICROCONTROLLER

W742E 数据手册

 浏览型号W742E的Datasheet PDF文件第2页浏览型号W742E的Datasheet PDF文件第3页浏览型号W742E的Datasheet PDF文件第4页浏览型号W742E的Datasheet PDF文件第5页浏览型号W742E的Datasheet PDF文件第6页浏览型号W742E的Datasheet PDF文件第7页 
W742E/C811  
4-BIT MICROCONTROLLER  
Table of Contents-  
1.  
2.  
3.  
GENERAL DESCRIPTION.............................................................................................................3  
FEATURES.....................................................................................................................................3  
PIN CONFIGURATION...................................................................................................................5  
3.1  
W742C811 PAD List .........................................................................................................6  
4.  
5.  
PIN DESCRIPTION ........................................................................................................................9  
FUNCTIONAL DESCRIPTION .....................................................................................................11  
5.1  
5.2  
5.3  
Program Counter (PC) ....................................................................................................11  
Stack Register (STACK)..................................................................................................11  
Program Memory (ROM).................................................................................................12  
5.3.1 ROM Page Register (ROMPR).........................................................................................13  
5.3.2 ROM Addressing Mode ....................................................................................................13  
Data Memory (RAM)........................................................................................................15  
5.4.1 Architecture ......................................................................................................................15  
5.4.2 RAM Page Register (PAGE).............................................................................................15  
5.4.3 WR Page Register (WRP)................................................................................................16  
5.4.4 Data Bank Register (DBKRH, DBKRL).............................................................................17  
5.4.5 RAM Addressing Mode.....................................................................................................18  
Accumulator (ACC) .........................................................................................................19  
5.4  
5.5  
5.6  
Arithmetic and Logic Unit (ALU) ......................................................................................19  
Main Oscillator.................................................................................................................19  
Sub-oscillator...................................................................................................................20  
Dividers............................................................................................................................20  
Dual-clock Operation.......................................................................................................20  
Watchdog Timer (WDT)..................................................................................................21  
5.7  
5.8  
5.9  
5.10  
5.11  
5.12  
Timer/Counter .................................................................................................................22  
5.12.1 Timer 0 (TM0).................................................................................................................22  
5.12.2 Timer 1 (TM1).................................................................................................................23  
Mode Register 0 (MR0) ...................................................................................................25  
5.13.1 Mode Register 1 (MR1) ..................................................................................................25  
Interrupts .........................................................................................................................25  
5.13  
5.14  
5.15  
Stop Mode Operation ......................................................................................................27  
5.15.1 Stop Mode Wake-up Enable Flag for RC and RD Port (SEF) ........................................27  
Hold Mode Operation ......................................................................................................27  
5.16  
Publication Release Date: December 2000  
- 1 -  
Revision A1  

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