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TB1227CNG Datasheet(PDF) 62 Page - Toshiba Semiconductor

Part No. TB1227CNG
Description  VIDEO, CHROMA AND SYNCHRONIZING SIGNALS PROCESSING IC FOR PAL / NTSC / SECAM SYSTEM COLOR TV
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Maker  TOSHIBA [Toshiba Semiconductor]
Homepage  http://www.semicon.toshiba.co.jp/eng
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TB1227CNG Datasheet(HTML) 62 Page - Toshiba Semiconductor

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TB1227CNG
2004-05-24
62
TEST CONDITION
Unless otherwise specified : H, RGB VCC = 9V ; VDD, Fsc VDD, Y / C VCC = 5V ; Ta = 25±3°C ; BUS = preset value ;
pin 51 input video signal = 50 system
(Note) “×” in the data column represents preset value at power ON.
NOTE
ITEM
SUB-ADDRESS & BUS DATA
MEASURING METHOD
DV21 V. Lead-In Range 2
Sub 16H
×
×
×
0
1
0
0
0
(1) Set bus data as indicated on the left.
(2) Input 262.5 H video signal to pin 51.
(3) Set a certain number of field lines in which signals of pin 51 and pin 54 completely synchronize with each
other as shown in the figure below.
(4) Decrease the field lines in number and measure number of lines in which pin 51 and pin 54 signals do not
synchronize with each other.
(5) Again set a certain number of field lines in which pin 51 and pin 52 signals synchronize with each other.
(6) Increase the field lines in number and measure number of lines in which pin 51 and pin 52 signals do not
synchronize with each other.
DV22 W-VBLK Start Phase
DV23 W-PMUTE Start
Phase
(Note) Only the 60
system is subject to
evaluation.
Sub 1BH
Sub 1DH
×
×
×
×
×
×
×
×
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
(1) Set bus data as specified for the Sub 1BH in the left columns, and measure the value of X shown in the
figure below.
W-VBLK start phase : MAX, MIN
(2) Set bus data as specified for the Sub 1DH in the left columns, and measure the value of X shown in the
figure below.
W-PMUTE start phase : MAX, MIN


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