lc74792 Sanyo Semiconductor Corporation, lc74792 Datasheet - Page 14

• Manufacturer Part Number: lc74792
• 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
LC74792, 74792JM
Contents
Contents
SPO0
0
1
0
1
0
1
0
1
Function
Function
DXout (Sliced data)
SYNC
SYNC
Slice data amplitude
SYNCdet
CLK (acquisition)
LOCK
JDG
SEPout pin
VCO 1/1
VCO 1/2
VCO 1/3
VCO 1/4
JDG
CSYNC
O/E
pin
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
No. 5965-14/25