STV2246H STMicroelectronics, STV2246H Datasheet - Page 55

• Manufacturer Part Number: STV2246H
• Manufacturer: STMicroelectronics

Specifications of STV2246H

• Lead Free Status / Rohs Status: Compliant

STV224X, STV228X, STV223X - I²C BUS SELECTION
55/86
Addr.
(Hex)
Reg.
01
02
03
SVHS status
Noise detection
Scanning Horizontal
phase-locked loop status
Safety status
Fast Blanking detection on
external fast blanking pin
Test
Scanning VCO
Calibration
FM demodulation VCO
calibration
Digital AFC status
Sound carrier level
Blue cut-off register and
cut-off loop status
IC identification
Tuner AGC Output Status
(reg 1Fh, d5d4 = 00 or 01
or 11)
AVL Gain Status
(reg 1Fh, d5d4 = 10)
Description
Bits
1
1
1
1
1
1
1
1
3
3
2
1
1
1
d7 d6 d5 d4 d3 d2 d1 d0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
0
1
1
0
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
0
0
0
1
1
1
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
0
1
1
1
1
0
0
Data
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
1
0
0
1
1
0
X
X
X
X
0
1
X
X
X
X
X
X
X
X
X
X
0
0
0
1
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
1
1
0
0
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
1
0
0
0
1
0
1
No SVHS (CVBS mode).
SVHS mode.
High S/N.
Low S/N.
Not locked.
Locked.
Safety not active.
Safety active.
No insertion detected.
Insertion on FBext.
Not to be used
Not calibrated.
Calibrated.
Not calibrated.
Calibrated.
F
-300 kHz < F
-60 kHz < F
+60 kHz < F
+300 kHz < F
Level 1 (low sound carrier signal).
Level 2.
Level 3.
Level 4.
Level 5.
Level 6.
Level 7.
Level 8 (high sound carrier signal)
Blue CO register < 011110000
Blue CO register > 100001111
011110000 < Blue CO register < 100001111
and Icath not locked
011110000 < Blue CO register < 100001111
and Icath locked
TQFP64
SDIP56
Tuner AGC Output not active
Tuner AGC Output active
AVL Gain Max. (Low audio signal)
AVL Gain Min. (High audio signal)
PLL
- F0 < -300 kHz.
PLL
PLL
PLL
PLL
- F0 < +300 kHz.
- F0 < +60 kHz.
Comments
- F0 < -60 kHz.
- F0.