介绍了ARM7 LPC2132的串口应用程序，包括查询方式和中断方式。-Introduces the LPC2132 ARM7 of serial applications, including inquires the way and interrupt mode.

arm7 2103 中断 实现 多任务 LED 外部中断 快速 中断 -interrupt multitasking LED external interrupt fast interrupt arm7 2103