TB1328FG Toshiba, TB1328FG Datasheet - Page 15

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TB1328FG

Manufacturer Part Number
TB1328FG
Description
Manufacturer
Toshiba
Datasheet

Specifications of TB1328FG

Function
Programmable audio/video switch and frequency detection
Features
CVBS, S-Video or YcbrCr/RGB or D-connector, auto sync processor, pre-filter, dummy HD/VD output
Operating Voltage
9V,5V
Package
QFP64 (lead-free)
V-DET
HD WIDTH
HV-POL
HV DET
HV OUT
H DMY
V DMY
Register Name
Switches the V format detection mode.
Switches the width of HD-OUT (pin 8) from SYNC2-IN (pin11).
Remark: HD WIDTH = 1 (NARROW) is recommended for the 1125/50p/60p format
Switches the polarity of HD/VD output.
Selects the input for format detection.
Switches the outputs from HD/VD-OUT (pin 8/9).
Outputs the dummy HD when no-input.
NOTE: The HD output does not synchronize with input sync when A-SYNC = OFF
Outputs the dummy VD when no-input.
NOTE: The VD output does not synchronize with input sync when A-SYNC = OFF
The polarity of HD/VD OUT (pin 8, 9) is set.
The dummy HD/VD output’s frequency depends on HV FREQ2 setting (when
A-SYNC = OFF) or H,V FORMAT (when A-SYNC = ON). No input detection is
based on H IN result.
The dummy HD/VD output’s frequency depends on HV FREQ2 setting (when
A-SYNC=OFF) or H,V FORMAT (when A-SYNC=ON). No-input detection is based
on V IN result.
0: 50/60Hz only
0: WIDE
0: Positive
When A-SYNC=0 (Manual mode)
When A-SYNC=1 (Automatic mode)
0: SYNC2-IN (pin11)
0: OFF
0: OFF
and when a sync is input.
and when a sync is input.
0: SYNC1-IN (pin 25)
This function is invalid. The input is selected by HV OUT.
owing to crosstalk from HD-OUT to video signals so that spike noises on
video signals will occur.
15
Function
1: Negative
1: HD/VD-IN (pins 23/22)
1: ON (Dummy HD output when no-input)
1: ON (Dummy VD output when no-input)
1: Full detection
1: NARROW
1: HD/VD-IN (pins 23/22)
TB1328FG
Preset Value
2006-11-13
50/60 only
SYNC2-IN
Positive
SYNC
WIDE
OFF
OFF
(0)
(0)
(0)
(0)
(0)
(0)
(0)

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