These routines transmit and receive serial data using two general
* I/O pins, in 8 bit, No parity, 1 stop bit format. They are useful
* for performing serial I/O on 8051 derivatives not having an
* internal UART, or for implementing a second serial channel.
Philips ARM LPC2100 的I/O口程序,別小看這段通用接口程序,這里面包含了完整的啟動(dòng)代碼,而且是匯編和C對(duì)照的,希望對(duì)硬件編程的朋友有幫助,因?yàn)楫?dāng)時(shí)我就位了啟動(dòng)代碼學(xué)習(xí)了好一陣子,才算學(xué)會(huì)。
good morning,my dear teachers,my dear professors.i am very glad to be here for your interview.my name is song yonghao,i am 22 years old .i come from luoyang,a very beautiful aicent city.my undergratuade period will be accomplished in changan university in july ,2004 and now,i am trying my best for o