Introduction - If you have any usage issues, please Google them yourself
from AVR MCS51 to change, if you are a MCS51 now understand, and indeed want to learn other microcontroller, the AVR is interested in it, this is a good guide book, which will let you quickly from the transition to MCS51 AVR Series
Packet : 311865从mcs51到avr的转变.rar filelist
从MCS51到AVR的转变.exe