VSP 94x2A
DATA SHEET
2
Table 3–8: I C bus command description, continued
Bit
Name
Description
Subaddress 7Ah
D7-D3
D2-D0
ACCLIM
[CP-CD]
ACC-limitation for weak signals
‘00000’: strong limitation
‘11111’: no limitation
IFCOMP
[CP-CD]
IF compensation filter
‘000’: pal prefiltering
‘001’: pal prefiltering + IF
‘010’: prefiltering
‘011’: IF 6dB
‘100’: flat
Note: ‘000’ or ‘001’ are not suited for 3.58 MHz subcarrier color standards
(PAL M, PAL N, NTSC M)
Subaddress 7Bh
D7-D4
CLMPD2S
[CP-CD]
Clamping duration for ADC2
Granularity: 200 ns
‘0000’: 0 µs
‘0111’: 1.4 µs
‘1111’: 3.0 µs
D3-D0
CLMPD1S
[CP-CD]
Clamping duration for ADC1
Granularity: 200 ns
‘0000’: 0 µs
‘0111’: 1.4 µs
‘1111’: 3.0 µs
Subaddress 7Ch
D5
EIA770
EIA 770 support
[CP-CD]
‘0’: standard TV signals expected
‘1’: progressive signals expected
timing according to EIA 770.1 or EIA 770.2 when ‘1’
D4
SHAPERDIS
[CP-PP]
Power Down Of Crystal Oscillator Shaper
‘0’: normal operation
‘1’: power down active
D3
OSCPD
[CP-PP]
Power Down Of Crystal Oscillator Amplifier
‘0’: normal mode
‘1’: power down mode
D2
TSTSHAPERI
[CP-PP]
Testmode Control Of Crystal Oscillator
‘0’: normal operation (shaper active)
‘1’: external clock input (shaper replaced)
D1-D0
FREQSEL
[CP-PP]
Amplifier Current Setting Of Oscillator Pad
‘00’: 100 µA
‘01’: 590 µA
‘10’: 235 µA
‘11’: 1730 µA
84
Aug. 16, 2004; 6251-552-1DS
Micronas
MICRONAS [ MICRONAS ]
