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參數(shù)資料
| 型號： | ADV7320 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Multiformat 216 MHz Video Encoder with Six NSV 12-Bit DACs |
| 中文描述： | 多格式視頻編碼器216兆赫六噪聲整形的12位DAC |
| 文件頁數(shù)： | 33/88頁 |
| 文件大?。?/td> | 1002K |
| 代理商： | ADV7320 |
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ADV7320/ADV7321
Table 16. Registers 0x44 to 0x49
SR7–
SR0
Register
0x44
SD Mode
Register 3
Rev. 0 | Page 33 of 88
Bit Description
SD VSYNC-3H
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
1
Register Setting
Disabled
VSYNC= 2.5 lines (PAL),
VSYNC= 3 lines (NTSC)
Genlock disabled
Subcarrier Reset
Timing Reset
RTC enabled
720 pixels
710 (NTSC)/702 (PAL)
Chroma enabled
Chroma disabled
Enabled
Disabled
Disabled
Enabled
DAC A = luma, DAC B = chroma
DAC A = chroma, DAC B = luma
5.17 μs
5.31 μs (default)
5.59 μs (must be set for
Macrovision compliance)
Reserved
Disabled
Enabled
Disabled
Enabled
Disabled
Enabled
Disabled
Enabled
Disabled
Enabled
0 must be written to this bit
0 must be written to this bit
0 must be written to this bit
0 must be written to this bit
Disabled
Enabled
8-bit input
16-bit input
10-bit input
20-bit input
Disabled
Enabled
Disabled
Enabled
Gamma Curve A
Gamma Curve B
Disabled
11 IRE
6 IRE
1.5 IRE
0 must be written to this bit
Disabled
Enabled
Disabled
4 clk cycles
8 clk cycles
Reserved
0 must be written to this bit
0 must be written to this bit
Reset
Values
0x00
0
1
0
1
0
1
0
1
0
1
0
0
1
1
0
1
0
1
0
0
1
0
1
0
SD RTC/TR/SCR
SD Active Video Length
SD Chroma
SD Burst
SD Color Bars
0x00
0x01
SD DAC Swap
0x45
0x46
Reserved
SD Mode
Register 4
NTSC Color Subcarrier
Adjust (Falling Edge of
HS to Start of Color
Burst)
1
0
0
1
0
0
0
1
0
0
0
1
0
0
1
1
0
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
0
1
1
1
0
1
0
0
1
0
1
SD PrPb Scale
0x00
SD Y Scale
SD Hue Adjust
SD Brightness
SD Luma SSAF Gain
Reserved
Reserved
Reserved
Reserved
Reserved
SD Double Buffering
0x00
0x47
SD Mode
Register 5
SD Input Format
SD Digital Noise
Reduction
SD Gamma Control
0x48
SD Mode
Register 6
SD Gamma Curve
0x00
SD Undershoot Limiter
Reserved
SD Black Burst Output on
DAC Luma
SD Chroma Delay
Reserved
Reserved
0x49
SD Mode
Register 7
1
NTSC color bar adjust should be set to 10 b for macrovision compliance (ADV7320 only).
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