As part of the official information, these get updated over time — check the links below for the latest versions, or search DWIN's forum by keyword.

DGUS configuration software tool:
http://inforum.dwin.com.cn:20080/forum.php?mod=viewthread&tid=1178

T5L DGUSII Application Development Guide:
http://inforum.dwin.com.cn:20080/forum.php?mod=forumdisplay&fid=126

T5L UI kernel program:
http://forum.dwin.com.cn/forum.php?mod=viewthread&tid=142

T5L ASIC Development information:
http://inforum.dwin.com.cn:20080/forum.php?mod=viewthread&tid=2051
