參數(shù)資料
型號: THS8200PFPG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP80
封裝: GREEN, PLASTIC, HTQFP-80
文件頁數(shù): 37/101頁
文件大小: 806K
代理商: THS8200PFPG4
4–25
4.7.3.8 Full BTSP (Full Broad Pulse and Tri-Level Sync Pulse)
1
2
8
10
3
4
9
6
5
7
11
STATE
DURATION
1/12
Fixed at 2T
2/13
dtg1_spec_c-4
3/14
Fixed at 4T
4/15
dtg1_spec_d – dtg1_spec_c-4
5/16
Fixed at 4T
6/17
dtg1_total_pixels/2 – dtg1_spec_k – dtg1_spec_d-4
7/18
Fixed at 4T
8/19
dtg1_spec_k – dtg1_spec_a-12
9/20
Fixed at 4T
10/21
dtg1_spec_a-4
11/22
Fixed at 2T
Figure 4–24. HDTV Line Type FULL_BTSP
Example: 1080I/P
THS8200 is put into 1080I mode by programming dtg1_mode = 0001. Figure 4–25 shows the required output format
of both fields for 1080I and 1080P.
When in 1080I preset mode, the (line type, breakpoint) table and frame and field size registers are filled out as follows
internally:
Breakpoints
Line Type
6
BTSP_BTSP
7
NTSP_NTSP
21
FULL_NTSP
561
ACTIVE_VIDEO
563
FULL_NTSP
564
NTSP_BTSP
568
BTSP_BTSP
569
BTSP_NTSP
584
FULL_NTSP
1124
ACTIVE_VIDEO
1126
FULL_NTSP
frame_size = 10001100101; 1125d
field_size = 01000110011; 563d
From line 1 to 5, line type BTSP_BTSP is generated. When the line counter reaches line 6, the DTG switches to line
type NTSP_NTSP, etc. Note that the dtg1_spec_<x> registers need to be filled out with the correct values to set the
horizontal line timings.
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