Datasheet

THS8200
www.ti.com SLES032D –JUNE 2002–REVISED JUNE 2013
5.2.5 Display Timing Generator Control, Part 1 (Sub-Addresses 0x1D−0x3C)
dtg1_y_blank(9:0): Y channel blanking level amplitude control
{dtg1_y_sync_msb 0x23(5:4) and [10 0000 0000]
dtg1_y_sync1_lsb 0x1D(7:0)}
Sets the amplitude of the blanking level for the Y channel
dtg1_y_sync_low(9:0): Y channel low sync level amplitude control
{dtg1_y_sync_msb 0x23(3:2) and [00 0000 0000]
dtg1_y_sync2_lsb 0x1E(7:0)}
Sets the amplitude of the negative sync and equalization/serration/broad pulses for the Y channel
dtg1_y_sync_high(9:0): Y channel high sync level amplitude control
{dtg1_y_sync_msb 0x23(1:0) and [11 0000 0000]
dtg1_y_sync3_lsb 0x1F(7:0)}
Sets the amplitude of the positive sync for the Y channel
dtg1_cbcr_blank(9:0): Cb/Cr channel blanking level amplitude control
{dtg1_cbcr_sync_msb 0x24(5:4) and [10 0000 0000]
dtg1_cbcr_sync1_lsb 0x20(7:0)}
Sets the amplitude of the blanking level for the Cb and Cr channels
dtg1_cbcr_sync_low (9:0): Cb/Cr channel low sync level amplitude control
{dtg1_cbcr_sync_msb 0x24(3:2) and [00 0000 0000]
dtg1_cbcr_sync2_lsb 0x21(7:0)}
Sets the amplitude of the negative sync and equalization/serration/broad pulses for the Cb and Cr channels
dtg1_cbcr_sync_high(9:0): Cb/Cr channel high sync level amplitude control
{dtg1_cbcr_sync_msb 0x24(1:0) and [11 0000 0000]
dtg1_cbcr_sync3_lsb 0x22(7:0)}
Sets the amplitude of the positive sync for the Cb and Cr channels
dtg1_spec_a(7:0): Negative HSync width
{dtg1_spec_a 0x25(7:0)} [0010 1100] = [44d]
Width of negative excursion of tri-level (HDTV mode) or bi-level (SDTV mode) sync
dtg1_spec_b(7:0): End of active video to 0H
{dtg1_spec_b 0x26(7:0)} [0101 1000] = [88d]
Distance from end of active video to start of negative sync (SDTV mode) or to negative-to-positive transition of tri-level sync (HDTV
mode)
dtg1_spec_c(7:0): Positive Hsync width (HDTV)/Equalization pulse (SDTV) width
{dtg1_spec_c 0x27(7:0)} [0010 1100] = [44d]
Width of positive excursion of tri-level (HDTV mode). Width of equalization pulses (SDTV mode)
dtg1_spec_d(8:0): Sync to active video(SDTV)/sync to broad pulse(HDTV)
{dtg1_spec_deh_msb 0x2B(7) and [0 1000 0100] = [132d]
dtg1_spec_d_lsb 0x28(7:0)}
Distance from leading edge of Hsync to start of active video (SDTV mode) or from negative-to-positive transition of tri-level sync to
start of broad pulse (HDTV mode)
dtg1_spec_d1(7:0): Center equalization pulse to active video (SDTV)
{dtg1_spec_d1 0x29(7:0)} [0000 0000]
Distance from equalization pulse at center of line to active video (SDTV mode)
Copyright © 2002–2013, Texas Instruments Incorporated 69
I
2
C Registers
Submit Documentation Feedback
Product Folder Links: THS8200