STV2246 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
STV2246 Datasheet PDF : 86 Pages
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STV224X, STV228X, STV223X - I²C BUS SELECTION
Reg.
Data
Addr.
(Hex)
Description
Bits
d7 d6 d5 d4 d3 d2 d1 d0
Comments
01 SVHS status
1 X X X X X X X 0 No SVHS (CVBS mode).
X X X X X X X 1 SVHS mode.
Noise detection
1 X X X X X X 0 X High S/N.
X X X X X X 1 X Low S/N.
Scanning Horizontal
1 X X X X X 0 X X Not locked.
phase-locked loop status
X X X X X 1 X X Locked.
Safety status
1 X X X X 0 X X X Safety not active.
X X X X 1 X X X Safety active.
Fast Blanking detection on 1 X X X 0 X X X X No insertion detected.
external fast blanking pin
X X X 1 X X X X Insertion on FBext.
Test
1 XX0
XX1
Scanning VCO
Calibration
1 X0X
X1X
FM demodulation VCO
calibration
1 0XX
1XX
02
Digital AFC status
3 XXX
XXX
XXX
XXX
XXX
Sound carrier level
3 XX0
XX0
XX0
XX0
XX1
XX1
XX1
XX1
Blue cut-off register and
t(s) cut-off loop status
2 00X
01X
10X
11X
uc 03 IC identification
1 XXX
XXX
d Tuner AGC Output Status
ro (reg 1Fh, d5d4 = 00 or 01
or 11)
1
0XX
1XX
P AVL Gain Status
bsolete(reg 1Fh, d5d4 = 10)
1 0XX
1XX
X
X
X
X
X
X
X
X
X
X
Not to be used
) X X X X X Not calibrated.
t(s X X X X X Calibrated.
X X X X X Not calibrated.
c X X X X X Calibrated.
u X X 0 1 1 FPLL - F0 < -300 kHz.
d X X 0 1 0 -300 kHz < FPLL - F0 < -60 kHz.
ro X X 0 0 0 -60 kHz < FPLL - F0 < +60 kHz.
X X 1 0 0 +60 kHz < FPLL- F0 < +300 kHz.
P X X 1 0 1 +300 kHz < FPLL - F0.
0 0 X X X Level 1 (low sound carrier signal).
te 0 1 X X X Level 2.
1 1 X X X Level 3.
le 1 0 X X X Level 4.
o 1 0 X X X Level 5.
s 1 1 X X X Level 6.
0 1 X X X Level 7.
b 0 0 X X X Level 8 (high sound carrier signal)
O X X X X X Blue CO register < 011110000
-X X X X X Blue CO register > 100001111
X X X X X 011110000 < Blue CO register < 100001111
and Icath not locked
X X X X X 011110000 < Blue CO register < 100001111
and Icath locked
X X X X 0 TQFP64
X X X X 1 SDIP56
X X X X X Tuner AGC Output not active
X X X X X Tuner AGC Output active
X X X X X AVL Gain Max. (Low audio signal)
X X X X X AVL Gain Min. (High audio signal)
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