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STV2236 数据表(PDF) 55 Page - STMicroelectronics

部件名 STV2236
功能描述  I짼C BUS-CONTROLLED MULTISTANDARD SINGLE CHIP TV PROCESSOR
PDF  86 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STV2236 数据表(HTML) 55 Page - STMicroelectronics

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STV224XH/228XH/223XH - I²C BUS SELECTION
55/86
01
SVHS status
1X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
No SVHS (CVBS mode).
SVHS mode.
Noise detection
1X
X
X
X
X
X
X
X
X
X
X
X
0
1
X
X
High S/N.
Low S/N.
Scanning Horizontal
phase-locked loop status
1X
X
X
X
X
X
X
X
X
X
0
1
X
X
X
X
Not locked.
Locked.
Safety status
1X
X
X
X
X
X
X
X
0
1
X
X
X
X
X
X
Safety not active.
Safety active.
Fast Blanking detection on
external fast blanking pin
1X
X
X
X
X
X
0
1
X
X
X
X
X
X
X
X
No insertion detected.
Insertion on FBext.
Test
1X
X
X
X
0
1
X
X
X
X
X
X
X
X
X
X
Not to be used
Scanning VCO
Calibration
1X
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
Not calibrated.
Calibrated.
FM demodulation VCO
calibration
10
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Not calibrated.
Calibrated.
02
Digital AFC status
3X
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
0
0
1
1
1
1
0
0
0
1
0
0
0
1
FPLL - F0 < -300 kHz.
-300 kHz < FPLL - F0 < -60 kHz.
-60 kHz < FPLL - F0 < +60 kHz.
+60 kHz < FPLL- F0 < +300 kHz.
+300 kHz < FPLL - F0.
Sound carrier level
3X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
0
0
0
1
1
1
1
0
0
1
1
1
1
0
0
0
1
1
0
0
1
1
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
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 cut-off register and
cut-off loop status
20
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
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
03
IC identification
1X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
TQFP64
SDIP56
Tuner AGC Output Status
(reg 1Fh, d5d4 = 00 or 01
or 11)
10
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Tuner AGC Output not active
Tuner AGC Output active
AVL Gain Status
(reg 1Fh, d5d4 = 10)
10
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
AVL Gain Max. (Low audio signal)
AVL Gain Min. (High audio signal)
Reg.
Addr.
(Hex)
Description
Bits
Data
Comments
d7 d6 d5 d4 d3 d2 d1 d0



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