Public Version
Display Subsystem Register Manual
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Table 7-159. Register Call Summary for Register DISPC_LINE_NUMBER (continued)
Display Subsystem Register Manual
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Display Controller Register Mapping Summary
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Table 7-160. DISPC_TIMING_H
Address Offset
0x064
Physical address
0x4805 0464
Instance
DISC
Description
The register configures the timing logic for the HSYNC signal.
Shadow register, updated on VFP start period
Type
RW
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
HBP
HFP
HSW
Bits
Field Name
Description
Type
Reset
31:20
HBP
Horizontal Back Porch.
RW
0x00
Encoded value (from 1 to 4096) to specify the number of pixel clock
periods to add to the beginning of a line transmission before the first set
of pixels is output to the display (program to value minus 1).
19:8
HFP
Horizontal front porch.
RW
0x00
Encoded value (from 1 to 4096) to specify the number of pixel clock
periods to add to the end of a line transmission before line clock is
asserted (program to value minus 1).
7:0
HSW
Horizontal synchronization pulse width
RW
0x00
Encoded value (from 1 to 256) to specify the number of pixel clock
periods to pulse the line clock at the end of each line (program to value
minus 1).
Table 7-161. Register Call Summary for Register DISPC_TIMING_H
Display Subsystem Environment
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Display Subsystem Basic Programming Model
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Display Controller Basic Programming Model
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LCD-Specific Control Registers
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Display Subsystem Use Cases and Tips
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Vertical and Horizontal Timings
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Configure DISPC Timing, Window, and Color
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Display Subsystem Register Manual
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Display Controller Register Mapping Summary
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Table 7-162. DISPC_TIMING_V
Address Offset
0x068
Physical address
0x4805 0468
Instance
DISC
Description
The register configures the timing logic for the VSYNC signal.
Shadow register, updated on VFP start period
Type
RW
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
VBP
VFP
VSW
1838
Display Subsystem
SWPU177N – December 2009 – Revised November 2010
Copyright © 2009–2010, Texas Instruments Incorporated