參數(shù)資料
型號: ADV7188
廠商: Analog Devices, Inc.
英文描述: Multiformat SDTV Video Decoder with Fast Switch Overlay Support
中文描述: 標清多格式視頻解碼器支持快速開關重疊
文件頁數(shù): 90/112頁
文件大?。?/td> 943K
代理商: ADV7188
ADV7188
Address
Rev. 0 | Page 90 of 112
Register
Bit Description
Bit
Notes
7 6 5 4 3 2 1 0 Comments
1 1 0 0
1 1 0 1
1 1 1 0
1 1 1 1
0 0
0 1
1 0
1 1
0 0
0 1
1 0
1 1
x
x
0 0 0 Bypass mode
0 0 1 3 dB
0 1 0 6 dB
0 1 1 10 dB
1 0 0 Reserved
1 0 1 2 dB
1 1 0 5 dB
1 1 1 7 dB
0 0 0 0 0
0 0 Reserved
0 1 Medium-low drive strength (2x)
1 0 Medium-high drive strength (3x)
1 1 High drive strength (4x)
Reserved
Medium-low drive strength (2x)
Medium-high drive strength (3x)
High drive strength (4x)
Reserved
Medium-low drive strength (2x)
Medium-high drive strength (3x)
High drive strength (4x)
No delay
No connection
No connection
No connection
No connection
DR_STR_S[1:0]. Selects the drive strength for
the sync output signals.
DR_STR_C[1:0]. Selects the drive strength for
the clock output signal.
0dB
NTSC Filters
DR_STR[1:0]. Selects the drive strength for
the data output signals. Can be increased or
decreased for EMC or crosstalk reasons.
0xF4
Drive Strength
Reserved.
IFFILTSEL[2:0] IF filter selection for PAL and
NTSC
2 MHz
5 MHz
+2 dB
+3.5 dB
+5 dB
PAL Filters
3 MHz
6 MHz
+2 dB
+3 dB
+5 dB
0xF8
IF Comp Control
Reserved.
EXTEND_VS_MAX_FREQ
0 Limit maximum VSYNC frequency
to 66.25 Hz (475 lines/frame)
1 Limit maximum VSYNC frequency
to 70.09 Hz (449 lines/frame)
0
Limit minimum VSYNC frequency
to 42.75 Hz (731 lines/frame)
1
Limit minimum VSYNC frequency
to 39.51 Hz (791 lines/frame)
0 0
Auto coast mode
0 1
50 Hz coast mode
1 0
60 Hz coast mode
1 1
Reserved
0 0 0 0
0 1 0 0 0 0 0 0 Increases/decreases the gain for
high frequency portions of the
video signal
0 0 0 0 0 1 0 0 Specifies the max. edge that is
interpreted as noise and therefore
blanked
EXTEND_VS_MIN_FREQ
VS_COAST_MODE[1:0]
This value sets up the output coast
frequency.
0xF9
VS Mode Control
Reserved.
PEAKING_GAIN[7:0]
0xFB
Peaking Control
0xFC
Coring Threshold 2
DNR_TH2[7:0]
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ADV7189 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat SDTV Video Decoder
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