W78C458中文资料PDF规格书
W78C458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:
W78C458
- 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 |
---|---|---|---|---|---|---|---|
WINBOND |
2020+ |
DIP40 |
80000 |
只做自己库存,全新原装进口正品假一赔百,可开13%增 |
询价 | ||
WINBOND |
2016+ |
DIP |
6528 |
只做进口原装现货!假一赔十! |
询价 | ||
WINBOND |
21+ |
DIP |
20000 |
原厂订货价格优势,可开13%的增值税票 |
询价 | ||
WINBOND |
0112+ |
DIP40 |
4 |
一级代理,专注军工、汽车、医疗、工业、新能源、电力 |
询价 | ||
AELTA |
23+ |
NA/ |
3268 |
原装现货,当天可交货,原型号开票 |
询价 | ||
WINBOND |
DIP40 |
396379 |
集团化配单-有更多数量-免费送样-原包装正品现货-正规 |
询价 | |||
AELTA |
2023+ |
DIP-40 |
8635 |
一级代理优势现货,全新正品直营店 |
询价 | ||
WINBOND |
22+ |
DIP-40 |
4897 |
绝对原装!现货热卖! |
询价 | ||
AELTA |
2122+ |
DIP-40 |
33000 |
原装进口,优势渠道,样品可出,一片起送 |
询价 | ||
AELTA |
06+07+ |
DIP40 |
120 |
询价 |