MEGA8 TWI,VERY GOOD,it will help you study i2c and avr cpu.the program has been checked

PFC8563 I2C\AVRM16的PCF8563源码 - 欢迎您访问西谱电子 - 单片机及嵌入式开发专业网站，本站提供专业的学习板、实验板、开发板、实验箱、仿真器、编程器等开发工具及大量的学习资料。.mht
...........\AVR单片机实验报告PCF8563.pdf
...........\AVR单片机实验报告PCF8563.txt
PFC8563 I2C

• We are an exchange download platform that only provides communication channels. The downloaded content comes from the internet. Except for download issues, please Google on your own.
• The downloaded content is provided for members to upload. If it unintentionally infringes on your copyright, please contact us.
• Please use Winrar for decompression tools
• If download fail, Try it againg or Feedback to us.
• If downloaded content did not match the introduction, Feedback to us，Confirm and will be refund.
• Before downloading, you can inquire through the uploaded person information

Nothing．