Cirrus Logic AN269 - Manual (Page 29)

AN269
AN269REV1 29
.
HSYNC
SPCLK
t
HSYNCH
Single Horizontal Line
DATA
One SPCLK per Horizontal Pixel
VCSYNC
(Horizontal
Line 1 ONLY)
t
SPCLK
t
HSYNCL
t
HSYNCSPCLK
t
SPCLKHSYNC
t
HVCSYNC
t
VCHSYNC
Count = HClkTotal
Count = 0
Horizontal Line
Counter Value
HSyncStart
HActiveStart HActiveStop
Count = HClkTotal - 1
Count = HClkTotal - 2
HSyncStop
Lo
adH
ighVidC
lk
s
F
rame
H
oldVid
Clk
s
LoadC
PVidC
lk
s
Ac
tiv
e
Vid
C
lk
s
C
P
Loa
dVidC
lk
s
Figure 16. Frame Type 1 Display with Colored Regions