It can adjust the hours and hours (only plus), do not know the hardware can achieve the power-on reset and, at any time in the simulation will not work, so set up a zero-side in my report is attached here (there are detailed design Principle and process) and the original document, we hope that pointing, exchange:

shuzizhong.txt

• 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．