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W78E516BF-24/40 PDF预览

W78E516BF-24/40

更新时间: 2024-11-20 21:11:55
品牌 Logo 应用领域
华邦 - WINBOND 时钟微控制器外围集成电路
页数 文件大小 规格书
32页 430K
描述
Microcontroller, 8-Bit, FLASH, 40MHz, CMOS, PQFP44, PLASTIC, QFP-44

W78E516BF-24/40 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:QFP
包装说明:QFP,针数:44
Reach Compliance Code:unknownECCN代码:3A991.A.2
HTS代码:8542.31.00.01风险等级:5.89
具有ADC:NO地址总线宽度:16
位大小:8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:S-PQFP-G44
JESD-609代码:e0长度:10 mm
I/O 线路数量:32端子数量:44
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封装形状:SQUARE
封装形式:FLATPACK峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not QualifiedROM可编程性:FLASH
座面最大高度:2.7 mm速度:40 MHz
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:YES
技术:CMOS温度等级:COMMERCIAL
端子面层:TIN LEAD端子形式:GULL WING
端子节距:0.8 mm端子位置:QUAD
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:10 mm
uPs/uCs/外围集成电路类型:MICROCONTROLLERBase Number Matches:1

W78E516BF-24/40 数据手册

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W78E516B  
8-BIT MICROCONTROLLER  
1. GENERAL DESCRIPTION  
The W78E516B is an 8-bit microcontroller which has an in-system programmable Flash EPROM for  
firmware updating. The instruction set of the W78E516B is fully compatible with the standard 8052.  
The W78E516B contains a 64K bytes of main Flash EPROM and a 4K bytes of auxiliary Flash EPROM  
which allows the contents of the 64KB main Flash EPROM to be updated by the loader program  
located at the 4KB auxiliary Flash EPROM ROM; 512 bytes of on-chip RAM; four 8-bit bi-directional  
and bit-addressable I/O ports; an additional 4-bit port P4; three 16-bit timer/counters; a serial port.  
These peripherals are supported by a eight sources two-level interrupt capability. To facilitate  
programming and verification, the Flash EPROM inside the W78E516B allows the program memory to  
be programmed and read electronically. Once the code is confirmed, the user can protect the code for  
security.  
The W78E516B microcontroller has two power reduction modes, idle mode and power-down mode,  
both of which are software selectable. The idle mode turns off the processor clock but allows for  
continued peripheral operation. The power-down mode stops the crystal oscillator for minimum power  
consumption. The external clock can be stopped at any time and in any state without affecting the  
processor.  
2. FEATURES  
· Fully static design 8-bit CMOS microcontroller up to 40 MHz.  
· 64K bytes of in-system programmable Flash EPROM for Application Program (APROM).  
· 4K bytes of auxiliary Flash EPROM for Loader Program (LDROM).  
· 512 bytes of on-chip RAM. (including 256 bytes of AUX-RAM, software selectable)  
· 64K bytes program memory address space and 64K bytes data memory address space.  
· Four 8-bit bi-directional ports.  
· One 4-bit multipurpose programmable port.  
· Three 16-bit timer/counters  
· One full duplex serial port  
· Six-sources, two-level interrupt capability  
· Built-in power management  
· Code protection  
· Packaged in  
- DIP 40: W78E516B-24/40  
- PLCC 44: W78E516BP-24/40  
- PQFP 44: W78E516BF-24/40  
Publication Release Date: June 21, 2002  
- 1 -  
Revision A5  

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