參數(shù)資料
型號(hào): ADV7181BBSTZ
廠商: ANALOG DEVICES INC
元件分類(lèi): 顏色信號(hào)轉(zhuǎn)換
英文描述: Multiformat SDTV Video Decoder
中文描述: COLOR SIGNAL DECODER, PQFP64
封裝: LEAD FREE, MS-026-BCD, LQFP-64
文件頁(yè)數(shù): 87/96頁(yè)
文件大小: 873K
代理商: ADV7181BBSTZ
ADV7181B
Rev. 0 | Page 87 of 96
Bits
4
Subaddress
0xF4
Register
Drive
Strength
Bit Description
DR_STR_S[1:0] Select the drive
strength for the Sync output signals.
7
6
5
3
2
1
0
0
0
0
1
Comments
Low drive strength (1x)
Medium-low drive
strength (2x)
Medium-high drive
strength (3x)
High drive strength (4x)
Low drive strength (1x)
Medium-low drive
strength (2x)
Medium-high drive
strength (3x)
High drive strength (4x)
Low drive strength (1x)
Medium-low drive
strength (2x)
Medium-high drive
strength (3x)
High drive strength (4x)
No delay
Bypass mode
2 MHz
3 dB
Notes
1
0
0
0
0
1
1
1
1
0
DR_STR_C[1:0] Select the drive
strength for the Clock output signal.
0
0
0
1
1
1
1
0
DR_STR[1:0] Select the drive
strength for the data output signals.
Can be increased or decreased for
EMC or crosstalk reasons.
x
x
1
1
0
0
0
0
0
1
0 dB
NTSC dilters
Reserved
IFFILTSEL[2:0] IF filter selection for
Pal and NTSC
5 MHz
2 dB
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
1
1
0
1
0
1
0
1
0
6 dB
10 dB
Reserved
3 MHz
2 dB
5 dB
7 dB
Limit Maximum Vsync
frequency to 66.25 Hz
(475 lines/frame)
Limit Maximum Vsync
frequency to 70.09 Hz
(449 lines/frame)
Limit Minimum Vsync
frequency to 42.75 Hz
(731 lines/frame)
Limit Minimum Vsync
frequency to 39.51 Hz
(791 lines/frame)
Auto Coast mode
50 Hz Coast Mode
60 Hz Coast Mode
Reserved
+3.5 dB
+5 dB
PAL Filters
6 MHz
+2 dB
+3 dB
+5 dB
0xF8
IF Comp
Control
Reserved
EXTEND_VS_MAX_FREQ
1
0
EXTEND_VS_MIN_FREQ
1
0
0
0
0
0
0
1
1
0
1
0
1
VS_COAST_MODE[1:0]
This value sets up
the output coast
frequency.
0xF9
VS Mode
Control
Reserved
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