tw8835的说明文档，官方给的，大家可以看看，感觉还是有用的SYNC Processor
Depending on video source there are three different type of sYNc format.
∧.
SOG/SOY
(Analog)
u11几几几11
CSYNC
Digital)
∥uL几几几n1
HSYI
VSYNO
Figure 3 SYNC Type
H/V separated SYNc is the basic SYNc and is most
