W78958B中文资料PDF规格书
W78958B规格书详情
GENERAL DESCRIPTION
The W78958B is an 8-bit emulation microcontroller that supports emulation for the Winbond W78C51 family of products, including the W78C31, W78C32, W78C51, W78C52, W78C154*, W78C58, W78C438, and W78C458. It is designed to support real-time (up to 40 MHz) emulation tools, such as in-circuit emulators (ICEs).
FEATURES
• 8-bit CMOS emulation microcontroller
• Real-time emulation at up to 40 MHz
• Convenient emulation chip for ICE market
• Two types: standard type and advanced type
• Standard type supports emulation for the W78C31, W78C32, W78C51, W78C52, W78C154*, and W78C58
• Advanced type supports emulation for the W78C438, and W78C458
• In emulation mode, allows direct access to SFRs/PC and internal RAM
• Allows ICE makers to access external program/data memory easily
• Supports switching signals between internal and external ROM
• Supports combined emulation program and data memory in a 128 KB SRAM
• Provides internal S1 state clock timing signal for easy creation of the emulation control signals
• Fully static design
• 256-byte on-chip scratchpad RAM
• 64 KB program memory address space in standard type; 1 MB extended program memory address space in advanced type
• 64 KB data memory address space in standard type; 1 MB extended data memory address space in advanced type
• Boolean processor
• Six-source, two-level interrupt capability in standard type; eight-source, two-level interrupt capability in advanced type
• Three 16-bit timer/counters
• One full duplex serial channel
• Built-in power management
• Four 8-bit bidirectional and bit-addressable I/O ports in standard type; four 8-bit bidirectional and bit- addressable I/O ports and one 8-bit bidirectional but parallel I/O port in advanced type
• Packaged in 100-pin PQFP
- W78958BF-40
产品属性
- 型号:
W78958B
- 制造商:
WINBOND
- 制造商全称:
Winbond
- 功能描述:
8-BIT EMULATION MICROCONTROLLER
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
WINBON |
23+ |
DIP-40 |
9960 |
价格优势/原装现货/客户至上/欢迎广大客户来电查询 |
询价 | ||
NUVOYON |
17+ |
DIP-40 |
13885 |
一级授权代理原装现货热卖 |
询价 | ||
winbond(华邦) |
23+ |
NA |
20094 |
正纳10年以上分销经验原装进口正品做服务做口碑有支持 |
询价 | ||
WINDOND |
21+ |
DIP40 |
20000 |
全新原装 公司现货 价优 |
询价 | ||
Winbond |
2138+ |
QFP |
8960 |
专营BGA,QFP原装现货,假一赔十 |
询价 | ||
Winbond |
23+ |
QFP |
4500 |
全新原装、诚信经营、公司现货销售 |
询价 | ||
WINBOND |
23+ |
PLCC44 |
9896 |
询价 | |||
WINb0nd原装 |
22+23+ |
PLCC |
16989 |
绝对原装正品全新进口深圳现货 |
询价 | ||
WINBOND |
22+ |
DIP |
2800 |
原装现货!可长期供货! |
询价 | ||
Winbond |
23+ |
QFP |
8230 |
全新原装真实库存含13点增值税票! |
询价 |