基于ATMEGA16L单片机,DS1302设计的时钟程序.-ATMEGA16L-based single-chip, DS1302 clock design process.

MFRC522射频读卡程序，硬件SPI读卡，已成功-Chip type : ATmega16L Program type : Application Clock frequency : 8.000000 MHz Memory model : Small External SRAM size : 0 Data Stack size : 256