VSP 94x2A
DATA SHEET
2
Table 3–8: I C bus command description, continued
Bit
Name
Description
Subaddress 72h
D7
REFTRIMEN
[CP-CD]
Reference Value enable
‘0’: use fuses
‘1’: uses programmed value
D6
SATNR
[CP-CD]
Noise reduction for satellite signal
‘0’: disabled
‘1’: enabled
D5
VINP
[CP-CD]
Vertical Pulse Detection
‘0’: from CVBS signal
‘1’: from V-input pin
D4-D3
NSRED1-0
[CP-CD]
Noise Reduction For Horizontal PLL
‘000’: 1/16
‘001’: 1/8
‘010’: 1/4
‘011’: 1/2
‘100’: 1
‘101’: 2
‘110’: 4
‘111’: 8
MSB is at address 7Eh, D2
D2-D0
LPCDEL
[CP-CD]
Window Shift For Fine Error Calculation
‘100’: −4 clock cycles
‘000’: no offset
‘011’: +3 clock cycles
Subaddress 73h
D7-D0 VSHIFT
Field Detection Window Shift
‘00000000’: no shift
[CP-CD]
‘11111111’: shifted by 2048
Subaddress 74h
D7
PALIDL1
[CP-CD]
PAL/NTSC Identification Level 1
‘0’: less sensitive (192)
‘1’: more sensitive (64)
D6-D0
VTHRL50
[CP-CD]
Vertical Window Noise Suppression Opening
Opening= 4*VTHRL50
0000000: opening in first line
1111111: opening in line 508
Subaddress 75h
D7
PALIDL0
[CP-CD]
PAL/NTSC Identification Level 0
‘0’: less sensitive
‘1’: more sensitive
D6-D0
VTHRH50
[CP-CD]
Vertical Window Noise Suppression Closing
Closing= 312+4*VTHRH50
0000000: closing in line 312
1111111: closing in line 820
When VINP (72h) is set, 50 Hz values are taken for opening and closing val-
ues.
82
Aug. 16, 2004; 6251-552-1DS
Micronas
MICRONAS [ MICRONAS ]
