TA1383AFG Datasheet, PDF (11/47 Pages) Toshiba Semiconductor – NTSC Chroma Decoder, Multi-Point Scan Sync Processor, H/V Frequency Counter IC for Color TV

TA1383AFG
Signal
SUB-CONT
TOF f0
SUB-COLOR
TOF Q
SUB-TINT
Y-DL1
Y-DL2
Y BLACK ADJ
Cb BLACK ADJ
Cr BLACK ADJ
Function
Adjusts subcontrast.
Adjusts amplitude of output Y signal (pin 24).
00000: min (−3dB) 11111: max (+3dB)
Switches TOF center frequency.
Controls center frequency of chroma filter for chroma signals input to pins 16
and 19.
000: OFF 001: min (0.56 fsc) 111: max (1.05 fsc)
Adjusts sub color.
Adjusts amplitude of output Cb/Cr (Pb/Pr) signals (pins 22 and 23).
00000: min (−3dB) 11111: max (+3dB)
Switches TOF Q characteristic.
Controls center frequency of chroma filter for chroma signals input to pins 16
and 19.
000: min (0.6) 111: max (1.2)
Adjusts sub tint.
Adjusts tint for output Cb/Cr (Pb/Pr) signals (pins 22 and 23).
0000: min (−7 deg) 1111: max (+7 deg)
Adjusts Y delay time 1 (baseband block).
Switches delay amount of Y signal in baseband block.
00: −10 ns 01: 0 ns 10: +10 ns 11: +10 ns
Note: Sets delay amount according to settings such as BANDWIDTH.
Adjusts Y delay time 2 (NTSC Y processing block).
Switches delay amount of Y signal in NTSC Y processing block.
00: OFF 01: +40 ns 10: +80 ns 11: +120 ns
Note: Sets delay amount according to settings such as TOF f0/Q.
Adjusts Y black level.
Adjusts black level offset of Y OUT (pin 24).
00000000: OFF
00000001: min (−140 mV) 11111111: max (+140 mV)
Adjusts Cb (Pb) black level.
Adjusts black level offset of Cb (Pb) OUT (pin 23).
00000000: OFF
00000001: min (−140 mV) 11111111: max (+140 mV)
Adjusts Cr (Pr) black level.
Adjusts black level offset of Cr (Pr) OUT (pin 22).
00000000: OFF
00000001: min (−140 mV) 11111111: max (+140 mV)
Power-On Initial Value
CENTER
(10000)
OFF
(000)
CENTER
(10000)
min
(000)
CENTER
(1000)
−10 ns
(00)
OFF
(00)
CENTER
(10000000)
CENTER
(10000000)
CENTER
(10000000)
Read Function
Signal
POR
COLOR
Function
Power-on reset
0: RESISTER PRESET 1: NORMAL
After power on, 0 is returned at first read; 1, at second and subsequent reads.
Detects NTSC color or BW (Black and White).
0: BW 1: NTSC color
11
2005-09-05