Designing Boards with Atmel AT89C51,AT89C52, AT89C1051, and AT89C2051 for Writing Flash at In-Circuit Test.
Recent improvements in chips and testers have made it possible for the tester to begin taking over the role tradi-tionally assigned to the PROM program-mer. Instead of having a PROM pro- g ...
最近几年新出的一些MCU,有很多都具有ISP(In System Programming:在系统编程)特性,利用这一特性可以在无需通用编程器的情况下,方便地对芯片执行各种操作(擦除,读取,编程等操作);如果进一步配上一些软件(如Keil的ISD51),即可实现一些简单的在线调试功能(当然要损失一个串口)。一些开发者,也经常在自己的系统 ...