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Figures 9, An269 – Cirrus Logic AN269 User Manual

Page 17

background image

AN269

AN269REV1

17

HSYNC

SPCLK

BLANK

t

VSYNC

t

HACTIVE

VCSYNC

t

HSYNC

t

DCLK

Single Horizontal Line

DATA

HSYNC

Single Video Frame

t

VACTIVE

BLANK

Back Porch Interval t

HBACKPORCH

Back Porch Interval t

VBACKPORCH

Front Porch Interval t

HFRONTPORCH

Front Porch Interval t

VFRONTPORCH

Active Video

Active Video

Figure 9. Example Timings for an HSYNC/VSYNC-Style Display