參數(shù)資料
型號(hào): AD9981
廠商: Analog Devices, Inc.
英文描述: High Performance 10-Bit Display Interface
中文描述: 高性能10位顯示接口
文件頁(yè)數(shù): 26/44頁(yè)
文件大?。?/td> 506K
代理商: AD9981
AD9981
Preliminary Technical Data
Rev. 0 | Page 26 of 44
Hexadecimal
Address
Read and
Write or
Read Only
Bits
5
Default
Value
**1* ****
Register Name
Description
Programmable Bandwidth.
0 = Low analog input bandwidth.
1 = High analog input bandwidth.
Power-Down Control Select.
0 = Manual power-down control.
1 = Auto power-down control.
Power-Down.
0 = Normal operation.
1 = Power-down.
Power-Down Pin Polarity.
0 = Active low.
1 = Active high.
Power-Down Fast Switching Control.
0 = Normal power-down operation.
1 = The chip stays powered up and the outputs are put in high
impedance mode.
SOGOUT High Impedance Control.
0 = SOGOUT operates as normal during power-down.
1 = SOGOUT is in high impedance during power-down.
Output Mode.
100 = 4:4:4 output mode.
101 = 4:2:2 output mode.
110 = 4:4:4—DDR output mode.
Primary Output Enable.
0 = Primary output is in high impedance state.
1 = Primary output is enabled.
Secondary Output Enable.
0 = Secondary output is in high impedance state.
1 = Secondary output is enabled.
Output Drive Strength.
00 = Low output drive strength.
01 = Medium low output drive strength.
10 = Medium high output drive strength.
11 = High output drive strength.
Applies to all outputs except VSOUT.
Output Clock Invert.
0 = Noninverted pixel clock.
1 = Inverted pixel clock.
Applies to all clocks output on DATACK.
Output Clock Select.
00 = Pixel clock.
01 = 90° phase shifted pixel clock.
10 = 2× pixel clock.
11 = 40 MHz internal clock.
Output High Impedance.
0 = Normal outputs.
1 = All outputs except SOGOUT in high impedance mode.
SOG High Impedance.
0 = Normal SOG output.
1 = SOGOUT pin is in high impedance mode.
Field Output Polarity.
Sets the polarity of the field output signal.
0 = Active low => even field, active high => odd field.
1 = Active low => odd field, active high => even field.
PLL Sync Filter Enable.
0 = PLL uses raw Hsync/SOG.
1 = PLL uses filtered Hsync/SOG.
4
***1 ****
3
**** 0***
2
**** *0**
1
**** **0*
0
**** ***0
0x1F
R/W
7:5
100* ****
Output Select 1
4
***1 ****
3
**** 0***
2:1
**** *10*
0
**** ***0
0x20
R/W
7:6
0*** ****
Output Select 2
5
*0** ****
4
**0* ****
3
***0 ****
2
**** 1***
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參數(shù)描述
AD9981/PCB 制造商:AD 制造商全稱:Analog Devices 功能描述:High Performance 10-Bit Display Interface
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