參數(shù)資料
型號(hào)： TVP70025IPZP
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP100
封裝： GREEN, PLASTIC, HTQFP-100
文件頁(yè)數(shù)： 42/59頁(yè)
文件大?。?/td> 519K
代理商： TVP70025IPZP
SLES232B
– JUNE 2008 – REVISED MAY 2011
RGB Coarse Clamp Control
Subaddress
2Fh
(Default 8Ch)
7
6
5
4
3
2
1
0
Reserved
RGB leakage [5:0]
RGB leakage [5:0]: RGB channel coarse clamp leakage current switch. Increasing the coarse clamp leakage current increases horizontal
droop but improves hum rejection.
00h = 0.5
μA
0Ch = 6.5
μA when IBIAS = 2 μA (default)
3Fh = 32.0
μA when IBIAS = 2 μA
Droop_Current = 0.5 + (IBIAS/4)
× NDC, where 0 ≤ NDC ≤ 63
SOG Coarse Clamp Control
Subaddress
30h
(Default 04h)
7
6
5
4
3
2
1
0
Reserved
SOG leakage [5:0]
SOG leakage [5:0]: SOG coarse clamp leakage current switch. The SOG coarse clamp leakage current is derived from the bias current.
Increasing the coarse clamp leakage current increases horizontal droop but improves hum rejection.
00h = 0.01
μA
04h = 0.21
μA when IBIAS = 2 μA (default)
3Fh = 3.16
μA when IBIAS = 2 μA
Droop_Current = (0.01 + (IBIAS/40)
× NDC, where 0 ≤ NDC ≤ 63
NOTE: IBIAS is controlled using Trim clamp [3:0] at subaddress 2Ch.
ALC Placement
Subaddress
31h
(Default 5Ah)
7
6
5
4
3
2
1
0
ALC placement [7:0]
ALC placement [7:0]: Positions the ALC signal an integer number of clock periods after either the leading edge or the trailing edge (default)
of the HSYNC signal. Bit 3 of subaddress 15h allows selecting which edge of HSYNC is used as the timing reference for ALC placement.
The ALC must be applied after the end of the fine clamp interval.
00h = Minimum setting
18h = PC graphics and SDTV with bi-level syncs
5Ah = HDTV with tri-level syncs (default)
Reserved
Subaddress
32h
Default (18h)
7
6
5
4
3
2
1
0
Reserved [7:0]
macvis thr [7:0] 8-bit Macrovision detection threshold
18h = Required setting (default)
Reserved
Subaddress
33h
Default (60h)
7
6
5
4
3
2
1
0
Reserved
tsp_thr [7:0]: 8-bit short pulse counter reset threshold. The Sync Processing block is reset whenever the number of coinsecutive short
pulses exceeds the specified threshold.
60h = Required setting (default)
Copyright
2008–2011, Texas Instruments Incorporated
47
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