TEF668X Application Note: https://download.csdn.net/download/fancyop/12403028
Have to figure out how to get it


LITHIO_V102_customerpackage_224_DS_update.zip  (includes application note and many other stuff): https://download.csdn.net/download/zhimu/10460343
SAF775D-SDK.7z: https://download.csdn.net/download/win_gjb/13118076

Some VIP only article (doesn't seam interesting): https://wenku.csdn.net/answer/66s5ekfhs3

inkball (game from Windows Vista) reimplementation source code:  https://download.csdn.net/download/w1shi2wei3/544614?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522171974500416800215019778%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fcommercial.%2522%257D&request_id=171974500416800215019778&biz_id=1&utm_medium=distribute.pc_search_result.none-task-download-2~all~insert_commercial~default-3-544614-null-null.142^v100^pc_search_result_base5&utm_term=Inkball%20source%20code

Interesting forum thread: http://www.crystalradio.cn/thread-578039-1-1.html