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W78C31BM-16 PDF预览

W78C31BM-16

更新时间: 2024-02-10 17:26:56
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
16页 250K
描述
Microcontroller, 8-Bit, 40MHz, CMOS, PQFP44, TQFP-44

W78C31BM-16 技术参数

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:5.84
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
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认证状态:Not Qualified
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端子形式:GULL WING
端子位置:QUADuPs/uCs/外围集成电路类型:MICROCONTROLLER
Base Number Matches:1

W78C31BM-16 数据手册

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W78C31B  
8-BIT MICROCONTROLLER  
GENERAL DESCRIPTION  
The W78C31B microcontroller supplies a wider frequency range than most 8-bit microcontrollers on  
the market. It is compatible with the industry standard 80C31 microcontroller series.  
The W78C31B contains four 8-bit bidirectional parallel ports, two 16-bit timer/counters, and a serial  
port. These peripherals are supported by a five-source, two-level interrupt capability. There are 128  
bytes of RAM, and the device supports ROMless operation for application programs.  
The W78C31B 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.  
FEATURES  
· 8-bit CMOS microcontroller  
· Fully static design  
· Low standby current at full supply voltage  
· DC-40 MHz operation  
· 128 bytes of on-chip scratchpad RAM  
· ROMless operation  
· 64K bytes program memory address space  
· 64K bytes data memory address space  
· Four 8-bit bidirectional ports  
· Two 16-bit timer/counters  
· One full duplex serial port  
· Boolean processor  
· Five-source, two-level interrupt capability  
· Built-in power management  
· Packages:  
- DIP 40: W78C31B-16/24/40  
- PLCC 44: W78C31BP-16/24/40  
- QFP 44: W78C31BF-16/24/40  
- TQFP 44: W78C31BM-16/24/40  
Publication Release Date: October 1997  
- 1 -  
Revision A3  

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