TB1311AFG Toshiba, TB1311AFG Datasheet - Page 21

• Manufacturer Part Number: TB1311AFG
• Manufacturer: Toshiba

Specifications of TB1311AFG

• Function: Programmable audio/video switching and frequency detection
• Features: CVBS, S-Video, YCbCr/RGB, SCART or D-pin, auto sync processor, pre-filter, dummy HD/VD output
• Operating Voltage: 9V, 5V
• Package: QFP80 (lead-free)

Vertical sync separation for 1250i/50
circuit. The phase of the VD-out (pin 13) depends on the H-SYNC timing shown in the figure below. There is no VD-out
when there is no H-SYNC input.
V FREQ DET) to detect the 1250i/50.
Note: The tailing edge of the VD-OUT has a jitter. Use the leading edge only.
HD width
for the 1125/50p/60p format owing to crosstalk from HD-OUT to video signals causing spike noise on video signals.
HD/VD input amplitude
acceptable minimum amplitude then becomes 2.0 Vp-p.
When HV FREQ2 = 01000, the vertical sync separation for the 1250i/50 is accomplished through the use of a special
In the manual sync processing mode (A-SYNC = OFF), use READ BUS functions, V-SYNC-W and H, V FORMAT (or H,
HD-OUT width is selectable by HD WIDTH as below. A setting in which HD WIDTH = 1 (NARROW) is recommended
When a 5.6 k
Normal application
is added before the input pin like the following figure, 5.0 Vp-p pulse input is allowed. However, the
Preliminary
21
For large-input application
TB1311AFG
2005-12-20