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STV2236 数据表(PDF) 54 Page - STMicroelectronics

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

STV2236 数据表(HTML) 54 Page - STMicroelectronics

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STV224XH/228XH/223XH - I²C BUS SELECTION
54/86
6.4 OUTPUT SIGNALS (READ MODE)
1F
VERT Output Inhibition
1X
X
X
X
X
X
X
X
X
X
0
0
X
X
0
1
VERT normal operating.
VERT inhibition (forced to high DC level controlled
by vertical position register).
Sound Level Status
Refresh
1X
X
X
X
X
X
X
X
X
X
0
0
0
1
X
X
0 = Sound level status continuously refreshed
1 = Sound level status refreshed only at the end of
vertical synchronization pulse
Not to be used
1
XXXX
X
0
X
X
Luma Delay Shift
1X
X
X
X
X
X
X
X
0
1
0
0
X
X
X
X
Standard luma delay.
140 ns on luma delay.
AVL Control & Status
2X
X
X
X
X
X
X
X
0
0
1
1
0
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
AVL OFF, read reg 03h, d7 = AGC Tuner Status
AVL OFF, read reg 03h, d7 = AGC Tuner Status
AVL ON, read reg 03h, d7 = AVL Gain Status
AVL ON, read reg 03h, d7 = AGC Tuner Status
reg 04h, d3d2 = 11: AVL Gain Status = 1 (Min.)
reg 04h, d3d2
¹ 11: AVL Gain Status = 0 (Max.)
AM/FMOUT pin selec-
tion
20
0
1
1
0
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
0
0
0
0
X
X
X
X
X
X
X
X
Output of AM/FM demodulator.
Sound subcarriers selected.
Audio output muted.
Main audio switch output, either internal or exter-
nal audio depending on main audio switch selec-
tion.
reg 04h; d0 = 0: internal audio.
reg 04h; d0 = 1: external audio.
Reg.
Addr.
(Hex)
Description
Bits
Data
Comments
d7 d6 d5 d4 d3 d2 d1 d0
Reg.
Addr.
(Hex)
Description
Bits
Data
Comments
d7 d6 d5 d4 d3 d2 d1 d0
00
Power-on Reset
1X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
Normal mode.
Power down mode.
Field Frequency
1X
X
X
X
X
X
X
X
X
X
X
X
0
1
X
X
50 Hz.
60 Hz.
Field Lock Status
1X
X
X
X
X
X
X
X
X
X
0
1
X
X
X
X
Not locked.
Locked.
Video Identification
1X
X
X
X
X
X
X
X
0
1
X
X
X
X
X
X
No identification.
Video identification.
Standard Status Crystal
Selection
2X
X
X
X
X
X
X
X
0
0
1
1
0
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
XTAL1 (4.43 MHz).
XTAL2 (3.5X MHz).
XTAL3 (3.5X MHz).
XTAL1 (3.5X MHz).
Standard Selection
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
PAL.
NTSC.
SECAM.
COLOR OFF.



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