參數(shù)資料
型號： TB1274BFG
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝： 10 X 14 MM, 0.80 MM PITCH, QFP-48
文件頁數(shù)： 3/37頁
文件大?。?/td> 839K
代理商： TB1274BFG
TB1274BFG
2005-08-18
11
ITEM / Number of bits
FUNCTION
VARIABLE RANGE
PRESET
N-COMB / ①
1H addition switch, when NTCS.
0 : OFF, 1 : ADD
OFF
VIDEO SELECT / ④ Selection of input video signals
Refer to
FUNCTION DESCRIPTION.
0000
RGB SELECT / ②
Selection of input sources.
Refer to FUNCTION DESCRIPTION.
00 : Main, 01 : YCbCr1
10 : RGB1, 11 : don’t use
Main
HALF TONE / ①
Half tone gain switch
0 : -10dB, 1 : -6dB
-10dB
Cb/Cr-MUTE / ①
Cb/Cr output mute switch
0 : OFF, 1 : ON
OFF
Cb/Cr OFFSET1 /
④
/④
Cb/Cr offset adjustment (main route)
0 H : -12 ～ F H : +10.5mV
0mV
Cb/Cr OFFSET2 /
④
/④
Cb/Cr offset adjustment (YCbCr2
input)
0 H : -12 ～ F H : +10.5mV
0mV
V-FREQ / ③
V count down frequency switch.
Automatic mode 1 ;
50/60Hz automatic distinction. At
no-signal, the last statement is
kept. Right after power-on, 50Hz
mode is run.
Automatic mode 2 ;
50/60Hz automatic distinction. And
50Hz mode is run at no-signal.
Refer to FUNCTION DESCRIPTION.
000 : Automatic mode 1,
001 : 50Hz, 010 : 60Hz,
011 : Automatic mode 2,
100
:
Forced
312.5H
(AFC
free-run),
101
:
Forced
262.5H
(AFC
free-run),
110
:
Forced
313H
(AFC
free-run),
111 : Forced 263H (AFC free-run)
Automatic
mode 1
V C/D MODE / ②
V count down judge switch.
Refer to FUNCTION DESCRIPTION.
00 :Normal 1, 01 : Teletext,
10 : Fast, 11 : Normal 2
note)
Normal 1 : One time detection
Normal 2 : Continuously detection
Normal 1
AFC SENS / ②
AFC sensitivity switch
00 : +6dB, 01 : 0dB,
10 : -6dB, 11 : -17dB
+6dB
(data : 00)
MVM / ①
Macrovision Mask + AFC Mask
0 : Narrow, 1 : Always masked
Narrow
S R-Y ADJ / ④
SECAM R-Y black adjustment
0 H : -10 ～ F H : 8.8mV
0mV
S B-Y ADJ / ④
SECAM B-Y black adjustment
0 H : -10 ～ F H : 8.8mV
0mV
BELL/HPF / ②
SECAM bell/HPF switching. Or the
high frequency side on SECAM bell
filter is boosted.
Refer to FUNCTION DESCRIPTION.
00 : Bell, 01 : Boost 1,
10 : Boost 2, 11 : HPF
Bell
BELL f0 / ①
BELL f0 adjustment
0 : Normal, 1 : +15kHz
Normal
S V-ID SW / ①
SECAM V-ID switch
0 : OFF, 1 : ON
OFF
S GP / ②
SECAM gate position adjustment (Its
width is same)
00 : Normal, 01 : 0.4μs delay,
10 : Normal, 11 : 0.4μs forward
Normal
S ID / ①
SECAM sensitivity switch
0 : Normal, 1 : Low
Normal
S-INHBT / ①
SECAM inhibition switch
0 : Normal, 1 : Inhibited
Normal
RGB1 ENB / ①
Enable YS3 to switch to RGB1-IN.
Refer to FUNCTION DESCRIPTION.
0 : Disable, 1 : Enable
Disable
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