TA1270BFG Datasheet, PDF (10/39 Pages) Toshiba Semiconductor – PAL / NTSC VIDEO CHROMA AND SYNC PROCESSING SYSTEM FOR PIP / POP / PAP

TA1270BFG
BUS CONTROL MAP
Write data
Slave address : 24H (00100100) pin 23-GND or 2CH (00101100) pin 23-V_CC
SUB
ADDRESS
D7
MSB
D6
D5
D4
D3
D2
D1
D0
LSB
00
TINT
DAC1
01
TOF-f0
TOF-Q
Y-DL P / N-ID
02
SUB CONTRAST
C-TRAP HD-PHS DAC2
03
SUB COLOR
COLOR SYSTEM
04
Y BLACK LEVEL ADJ.
SW-OFT
V-FREQ / AFC-G
05
R-Y BLACK LEVEL ADJ.
GP-PHS Y-OFST
06
B-Y BLACK LEVEL ADJ.
OUTPUT MODE
POWER-ON
INITIAL VALUE
MSB
LSB
1000 0000
1000 0000
1000 0000
1000 0000
1000 0000
1000 0000
1000 0000
Read data
Slave address : 25H (00100101) pin 23-GND or 2DH (00101101) pin 23-V_CC
D7
D6
D5
D4
D3
D2
D1
D0
0
PORET
COLOR SYSTEM
1
1
COLOR SYSTEM
X’tal
V-FREQ V-STD H-LOCK
X’tal
N-DET U2 / V2-IN Y2-IN
BUS CONTROL FUNCTION
Write function
PARAMETER
TINT
DAC1 / 2
TOF-f0
TOF-Q
Y-DL
P / N ID
SUB CONTRAST
C-TRAP
HD-PHS
SUB COLOR
COLOR SYSTEM
DESCRIPTION
Adjusts hue. −32°~+32°
Controls 1 bit DAC. 0 : LOW, 1 : HIGH
Switches TOF peak frequency.
(000) : TOF OFF, (001) : 0.8 fsc, (111) : 1.5 fsc
Switches TOF Q ; (000) : 0.6~(111) : 1.2
Switches Y-DL delay time ; (0) : OFF, (1) : ON (+80 ns)
Switches PAL / NTSC identification sensitivity.
(0) : LOW (Digital comb filter in use), (1) : Normal
Adjusts sub contrast ; −3.0 dB~+3.0 dB
Switches CHROMA trap ; (0) : OFF, (1) : ON
Switches HD output pulse phase
; (0) : PHASE-1, (1) : PHASE-2 (SCP)
Sub color ; −5.3 dB~0 dB~+3.0 dB
Switches color system.
(000) : AUTO
(001) : 3NTSC
(010) : 4NTSC
(011) : PAL
(100) : M-PAL
(101) : N-PAL
(101) : N-PAL
(110) : SECAM
(111) : TRINORMA
Y BLACK LEVEL ADJ.
SW-OFT
Adjusts Y black level ; −75 mV~+65 mV
Switches SW output offset ; Y : −10 IRE & UV : +60 mV
ON / OFF
(0) : OFF, (1) : ON
POWER-ON
INITIAL VALUE
0°
LOW
(100)
CENTER
MIN
OFF
LOW
0dB
OFF
PHASE-1
0dB
(000)
AUTO
(1000)
OFF
10
2005-08-18