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參數(shù)資料
| 型號： | TFP6422PAP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | 10 X 10 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, THERMALLY ENHANCED, POWER, PLASTIC, TQFP-64 |
| 文件頁數(shù)： | 44/65頁 |
| 文件大小： | 813K |
| 代理商： | TFP6422PAP |
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TFP6422, TFP6424
PanelBus
DIGITAL TRANSMITTER/VIDEO ENCODER COMBO
SLDS118 – MARCH 2000
49
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
CC_CARR1,2
Subaddress = 58
Default = 0x31
7
6
5
4
3
2
1
0
FCC[7:0]
Subaddress = 59
Default = 0x26
7
6
5
4
3
2
1
0
FCC[15:8]
FCC[15:0]
Close caption carrier frequency control
For 60 Hz system,
FCC = 2^18* 0.5035*10^6/(LLEN*Fh)
For 50 Hz systems,
FCC = 2^18* 0.500*10^6/(LLEN*Fh)
Where
LLEN = Total number of pixels in a scan line
Fh
= Line frequency
C_PHASE
Subaddress = 5A
Default = 0x00
7
6
5
4
3
2
1
0
CPHS[7:0]
Phase of the encoded video color subcarrier (including the color burst) relative to H–sync. The
adjustable step is 360/256 degrees.
GAIN_U
Subaddress = 5B
Default = 0x02
7
6
5
4
3
2
1
0
GU[7:0]
Gain control for Cb signal. The MSB, GU[8], is located at subaddress 5D, bit 7. Following are typical
programming examples for NTSC and PAL standards.
NTSC with 7.5 IRE pedestal:
WHITE – BLACK = 92.5 IRE
GAIN_U = 0x102
NTSC with no pedestal:
WHITE – BLACK = 100 IRE
GAIN_U = 0x117
PAL with no pedestal:
WHITE – BLACK = 100 IRE
GAIN_U = 0x111
GAIN_V
Subaddress = 5C
Default = 0x6C
7
6
5
4
3
2
1
0
GV[7:0]
GU[7:0]
Gain control for Cr signal. The MSB, GV[8], is located at subaddress 5E, bit 7. Following are typical
programming examples for NTSC and PAL standards.
NTSC with 7.5 IRE pedestal:
WHITE – BLACK = 92.5 IRE
GAIN_V = 0x16C
NTSC with no pedestal:
WHITE – BLACK = 100 IRE
GAIN_V = 0x189
PAL with no pedestal:
WHITE – BLACK = 100 IRE
GAIN_V = 0x181
PRODUCT
PREVIEW
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