lc74793 Sanyo Semiconductor Corporation, lc74793 Datasheet - Page 13

• Manufacturer Part Number: lc74793
• Description: Vps/pdc Slicer Ic
• Manufacturer: Sanyo Semiconductor Corporation

Command 5 (Output control command 1)
• First byte
• Second byte
Note: All registers are cleared to 0 when the IC is reset by the RST pin.
DA 0 to 7
DA 0 to 7
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
VNPSEL
VSPSEL
Register
Register
SPO2
SPO1
SPO0
SJO1
SJO0
—
—
—
—
—
—
—
—
—
Status
Status
1
1
1
1
0
1
0
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
First byte identification bit
Command 5 identification code.
Output control settings 1
Second byte identification bit
Vertical signal falling edge detection
Vertical signal rising edge detection
VSEP: About 8.9 µs (NTSC)
VSEP: About 17.8 µs (NTSC)
SPO2
SJO1
0
0
0
0
1
1
1
1
0
0
1
1
SPO1
SJO0
0
0
1
1
0
0
1
1
0
1
0
1
LC74793, 74793JM
Contents
Contents
SPO0
0
1
0
1
0
1
0
1
Function
Function
DXout (Sliced data)
SYNCJDG pin
Slice data amplitude
SYNCjdg
SYNCdet
CLK (acquisition)
LOCK
SEPout pin
VCO 1/1
VCO 1/2
VCO 1/3
VCO 1/4
CSYNC
O/E
SEPOUT (pin 18) output switching
SYNCJDG (pin 8) output switching
Vertical signal acquisition polarity switching.
Only valid when internal vertical separation
used.
Internal vertical separation time switching
Notes
Notes
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