深入浅出ARM7_LPC213X_214X AM7开发板的引脚介绍及相关程序 如:void UART0_Init (void) { uint16 Fdiv; PINSEL0 = (PINSEL0&(~0x0f))|0x00000005; // 设置I/O连接到UART0 U0IER = 0x01;// 允许RBR中断,即接收中断 U0LCR