This test code use PWM to control LED flashing, however, users can use PWM to do other things with the PWM initialization code-AT91SAM7S test code for PWM development under IAR platform
240128液晶的驱动程序 主控制器为ATMEGA16 开发环境为ICCAVR 可以参考-240128 liquid crystal host controller driver for the ATmega16 development environment for ICCAVR can refer to