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W78E858 PDF预览

W78E858

更新时间: 2024-11-17 22:24:35
品牌 Logo 应用领域
华邦 - WINBOND 微控制器和处理器外围集成电路光电二极管时钟
页数 文件大小 规格书
33页 1084K
描述
8 BIT MICROCONTROLLER

W78E858 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:unknown
ECCN代码:3A991.A.2HTS代码:8542.31.00.01
风险等级:5.84Is Samacsys:N
具有ADC:NO地址总线宽度:16
位大小:8CPU系列:8051
最大时钟频率:40 MHzDAC 通道:NO
DMA 通道:NO外部数据总线宽度:8
JESD-30 代码:R-PDIP-T40JESD-609代码:e0
长度:52.2 mmI/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:YES
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 Qualified
RAM(字节):256ROM(单词):128
ROM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
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 mmuPs/uCs/外围集成电路类型:MICROCONTROLLER
Base Number Matches:1

W78E858 数据手册

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W78E858 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 ................................................................................................... 6  
6.1  
6.2  
RAM................................................................................................................................ 6  
EEPROM ........................................................................................................................ 7  
6.2.1 Byte Write Mode...............................................................................................................7  
6.2.2 Page Write Mode..............................................................................................................7  
6.2.3 Software Protected Data Write .........................................................................................7  
6.2.4 Command Codes for Software Data Protection Enable/Disable and Software Erase.......7  
Demo Code:.................................................................................................................... 8  
On-chip Flash EPROM ................................................................................................. 11  
Timers 0, 1, and 2......................................................................................................... 11  
Clock............................................................................................................................. 11  
Crystal Oscillator........................................................................................................... 11  
External Clock............................................................................................................... 11  
Power Management...................................................................................................... 11  
6.9.1 Idle Mode........................................................................................................................11  
6.9.2 Power-down Mode..........................................................................................................12  
6.9.3 Wake-up Via External Interrupts INT0 to INT9 ...............................................................12  
6.3  
6.4  
6.5  
6.6  
6.7  
6.8  
6.9  
6.10 Reset............................................................................................................................. 13  
6.11 Pulse Width Modulator System .................................................................................... 14  
6.11.1 PWMCON (91H)...........................................................................................................14  
6.11.2 PWMP (92H) ................................................................................................................14  
6.12 In-system Programming System .................................................................................. 15  
6.12.1 SFRAL (C4H) ...............................................................................................................16  
6.12.2 SFRAH (C5H)...............................................................................................................16  
6.12.3 SFRFD (C6H)...............................................................................................................16  
6.12.4 SFRCN (C7H) ..............................................................................................................16  
6.13 In-system Programming Mode Operating Table .......................................................... 16  
6.13.1 CHPCON (BFH) ...........................................................................................................17  
6.14 MXPSR (A2H)............................................................................................................... 17  
6.15 Interrupt System ........................................................................................................... 17  
6.16 External Interrupts INT2 to INT9................................................................................... 18  
Publication Release Date: May 5, 2004  
- 1 -  
Revision A4  

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