
PIXELS
PIXELS
HSW
HFP
VFP
VSW
HBP
HSW
VBP
DISPC_PCLK
DISPC_VSYNC
DISPC_HSYNC
DISPC_ACBIAS
DISPC_DATA_LCD[23:0]
dss-017
PIXELS
HBP
HSW
HSW
HSW
VFP
DISPC_PCLK
DISPC_VSYNC
DISPC_HSYNC
DISPC_ACBIAS
DISPC_DATA_LCD[23:0]
dss-018
PIXELS
HSW
VSW
VBP
HBP
DISPC_PCLK
DISPC_VSYNC*
DISPC_HSYNC*
DISPC_ACBIAS*
DISPC_DA
* Active Low signals
TA_LCD[23:0]
dss-019
Public Version
www.ti.com
Display Subsystem Environment
Figure 7-19. Active Matrix Timing Diagram of Configuration 1 (Between Frames)
Figure 7-20. Active Matrix Timing Diagram of Configuration 1 (End of Frame)
•
Active matrix timing configuration 2
–
DSS.
[17] ONOFF bit = 1
–
DSS.
[16] RF bit = 1
The DISPC_HSYNC and DISPC_VSYNC signals are driven on the rising edge of DISPC_PCLK.
–
DSS.
[15] IEO = 1
The DISPC_ACBIAS signal is active low.
–
DSS.
[14] IPC = 1
The pixel data is driven on the falling edge of DISPC_PCLK.
–
DSS.
[13] IHS = 1
The DISPC_HSYNC signal is active low.
–
DSS.
[12] IVS = 1
The DISPC_VSYNC signal is active low.
Figure 7-21. Active Matrix Timing Diagram of Configuration 2 (Start of Frame)
1581
SWPU177N – December 2009 – Revised November 2010
Display Subsystem
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