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TB1227CNG Datasheet(PDF) 56 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) 56 Page - Toshiba Semiconductor

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TB1227CNG
2004-05-24
56
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
DH15 H. BLK Phase
Sub02H
0
0
0
0
0
1
0
0
DH16 H. BLK Width,
Minimum
DH17 H. BLK Width,
Maximum
Sub 16H
0
1
0
1
0
1
×
×
×
×
×
×
×
×
×
×
(1) In the condition of the steps 1 through 4 of the Note DH10, perform the following measurement.
(2) Supply 5V DC to pin 26.
(3) Set bus data as indicated on the left.
(4) Measure phase difference between pin 51 and pin 49 as shown below.
(5) Change the bus data as shown on the left and measure BLK width.
DH18 P / N-GP Start
Phase 1
DH19 P / N-GP Start
Phase 2
DH20 P / N-GP Gate
Width 1
DH21 P / N-GP Gate
Width 2
Sub 0FH
×
×
×
×
×
×
×
×
0
1
×
×
×
×
×
×
(1) Supply 5V to pin 26.
(2) Set bus data as indicated on the left.
(3) With the respective bus data settings mentioned above, measure the phase and gate width as shown in
the figure below.
DH22 SECAM-GP Start
Phase 1
DH23 SECAM-GP Start
Phase 2
DH24 SECAM-GP Gate
Width 1
DH25 SECAM-GP Gate
Width 2
Sub 1FH
×
×
×
×
×
×
0
1
×
×
×
×
×
×
×
×
(1) Supply 5V to pin 26.
(2) Set bus data as indicated on the left.
(3) With the respective bus data settings mentioned above, measure the phase and gate width as shown in
the figure below.


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