// This program demonstrates how to configure the C8051F060 to write to and read
// from the UART interface. The program reads a word using the UART0 interrupts
// and outputs that word to the screen, with all characters in uppercase
AVR306串口程序例子----查詢模式
Application Note AVR306
* Polled mode driver for UART, this is the similar to the
* library default putchar() and getchar() in ICCAVR
