ta1270bfg TOSHIBA Semiconductor CORPORATION, ta1270bfg Datasheet - Page 10

• Manufacturer Part Number: ta1270bfg
• Description: Pal / Ntsc Video Chroma And Sync Processing System For Pip / Pop / Pap
• Manufacturer: TOSHIBA Semiconductor CORPORATION

BUS CONTROL MAP
BUS CONTROL FUNCTION
Write data
Slave address : 24H
Read data
Slave address : 25H
Write function
TINT
DAC1 / 2
TOF-f0
TOF-Q
Y-DL
P / N ID
SUB CONTRAST
C-TRAP
HD-PHS
SUB COLOR
COLOR SYSTEM
Y BLACK LEVEL ADJ.
SW-OFT
ADDRESS
SUB
0
1
00
01
02
03
04
05
06
PARAMETER
PORET
D7
1
MSB
D7
COLOR SYSTEM
COLOR SYSTEM
Y BLACK LEVEL ADJ.
TOF-f0
D6
(00100100)
(00100101)
D6
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.
Adjusts Y black level ; −75 mV~+65 mV
Switches SW output offset ; Y : −10 IRE & UV : +60 mV
ON / OFF
(0) : OFF, (1) : ON
SUB CONTRAST
SUB COLOR
R-Y BLACK LEVEL ADJ.
B-Y BLACK LEVEL ADJ.
(000) : AUTO
(011) : PAL
(101) : N-PAL
D5
D5
pin 23-GND or 2CH
pin 23-GND or 2DH
D4
TINT
D4
X’tal
X’tal
(001) : 3NTSC
(100) : M-PAL
(110) : SECAM
10
SW-OFT
DESCRIPTION
TOF-Q
D3
D3
(00101100)
(00101101)
V-FREQ
C-TRAP
N-DET
D2
D2
(010) : 4NTSC
(101) : N-PAL
(111) : TRINORMA
COLOR SYSTEM
V-FREQ / AFC-G
U2 / V2-IN
HD-PHS
GP-PHS
pin 23-V
pin 23-V
V-STD
Y-DL
OUTPUT MODE
D1
D1
P / N-ID
Y-OFST
H-LOCK
CC
CC
DAC1
DAC2
Y2-IN
LSB
D0
D0
TA1270BFG
MSB
INITIAL VALUE
1000
1000
1000
1000
1000
1000
1000
2005-08-18
POWER-ON
INITIAL VALUE
POWER-ON
PHASE-1
CENTER
AUTO
(1000)
LOW
(100)
LOW
(000)
MIN
OFF
OFF
OFF
0dB
0dB
0°
0000
0000
0000
0000
0000
0000
0000
LSB