STV2216 Просмотр технического описания (PDF) - STMicroelectronics
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STV2216 Datasheet PDF : 26 Pages
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STV2216
I2C BUS SPECIFICATION (continued)
Input Signals (Write Mode) (continued)
OTHERS
Address Dec (HEX)
Description
15 (0F)
Volume
16 (10)
Mute
16 (10)
AV Switch Selection
17 (11)
Only for Test
Data (Bits)
6
1
2
6
Comments
XX00 0000 = 0.5V
XX11 1111 = 5V
XXXX XXXS 0 = Mute not active
1 = Mute active
XXXX XSSX
00 = TV mode
01 = not allowed
10 = not allowed
11 = External (AV) mode
XXSS SSSS 00 0000 = Test mode not active
Output Signals (Read Mode)
READ REGISTER
Description
Field Frequency
Video Identification
SVHS Status
Standard Status
Circuit Identification
Data (Bits)
1
1
1
3
2
XXXX XXXS
XXXX XXSX
XXXX XSXX
XXSS SXXX
00XX XXXX
Comments
1 = 50Hz
0 = 60Hz
1 = No Identification
0 = Video Identification
1 = No SVHS
0 = SVHS
111 = PAL/XTAL1 (4.43MHz)
110 = NTSC/XTAL1
101 = not to be used
011 = PAL/XTAL2 (3.58MHz)
010 = NTSC/XTAL2
X00 = Color off
11 = STV2118B
10 = STV2116A
01 = STV2112B
00 = STV2216
Bus Register Initial Conditions (Not used bits are preset to ”0”)
Address
Dec (HEX)
0 (00)
1 (01)
2 (02)
3 (03)
4 (04)
5 (05)
6 (06)
7 (07)
8 (08)
9 (09)
10 (0A)
11 (0B)
12 (0C)
13 (0D)
14 (0E)
15 (0F)
16 (10)
17 (11)
Data Initial
Value
XX01 0000
XX10 0000
XX01 0000
XX10 0000
XX10 0000
XX10 0000
XX10 0000
XX10 0000
XX10 0100
XX10 0000
XX00 0110
XX10 0000
XX10 0000
XX00 0100
XX00 0000
XX10 0000
XX00 0000
XX00 0000
Comments
Mid. contrast ; Not used
Mid. saturation
Mid. brightness ; Blanking : normal mode
Mid. RED drive adjust
Mid. RED cut-off adjust
Mid. GREEN drive adjust
Mid. GREEN cut-off adjust
Mid. BLUE drive adjust
Mid. sharpness ; Blue screen not active ; External crystal selection in auto mode ;
Black stretch on
Mid. hue
Auto search color standard ; no SVHS ; XTAL1 = 4.43MHz
Mid. horizontal shift
Mid. vertical amplitude
Mid. vertical position ; Auto search field frequency ; HOUT : normal mode
PLL1 time constant : normal mode ; Interlace ; 4/3 selection ; chroma gain = +0dB ; no flesh
Mid. volume
Mute not active ; INT/FM IF mode ; coring on ; Cut-off pulses on lines 23/24/25 in 50Hz or
lines 18/19/20 in 60Hz ; narrow flesh characteristic
Test mode not active
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