
TB1274BFG
2005-08-18
12
ITEM / Number of bits
FUNCTION
VARIABLE RANGE
PRESET
AUTO SW / ①
Auto Video select mode SW
Select automatically for CVBS, Y/C
and Comb mode by setting of
“AUTO-SW” and “VIDEO SELECT”.
And also select automatically for
C-Trap and S-D Trap.
Refer to FUNCTION DESCRIPTION.
0 : Auto select
Data of SA 07H D3
0 : Auto Y/C select mode
1 : Auto Comb select mode
1 : Manual select
Manual
Select
VP-PH / ①
Switching for VP output phase
0 : +0.75H, 1 : +0.6875H
+0.75H
SETUP-SW / ①
Y black level set-up
0 : Normal, 1 : Set-up
Normal
HS-PH / ①
HS Output phase switch
0 : H-Sync(4.7μs),
1 : GP(3.2μs)
H-Sync
TEST MODE / ⑧
Factory test mode. Set all zero.
-
00H
READ MODE
SLAVE ADDRESS : 89H / 8BH / 8FH
ITEM / Number of
bits
FUNCTION
VARIABLE RANGE
H-LOCK / ①
H. Lock detection
0 : Un-lock, 1 : Lock
N-DET / ②
Noise judgment
00 : SN > 40dB,
01 : 10dB > SN,
10 : 40dB > SN > 20dB,
11 : 20dB > SN > 10dB
X’TAL / ②
Crystal mode judgment
00 : 4.433619MHz(PAL)
01 : 3.579545MHz(NTSC)
10 : 3.575611MHz(M-PAL)
11 : 3.582056MHz(N-PAL)
COLOR SYSTEM
/ ②
Color system judgment
00 : B/W, 01 : PAL
10 : NTSC, 11 : SECAM
POR / ①
Power On Reset
0 : Normal, 1 : Resistor preset
V15 / ①
Status of pin 15 voltage
Refer to FUNCTION DESCRIPTION.
0 : Low, 1 : High
V-SIG / ①
Internal V. pulse detection for V. lock
0 : Existing, 1 : Not existing
C ID / ①
Input signal condition (Detection of
burst signal on C-IN pins)
Refer to FUNCTION DESCRIPTION.
0 : Not detected (CVBS),
1 : Detected (Y/C)
V-STD / ①
Decision on the standard of the
vertical frequency.
When no-signal, 1 : STD is responded.
0 : Non-STD, 1 : STD
V-FREQ / ①
Vertical frequency judgment.
Right after power-on, 0 : 50Hz is
responded.
At no-signal, the last statement is
kept.
0 : 50Hz, 1 : 60Hz
SA 01 D0 / ①
The bit for product ident
0 : TB1239**, 1 : TB1274**