參數(shù)資料
型號: AD9888KSZ-170
廠商: Analog Devices Inc
文件頁數(shù): 16/36頁
文件大?。?/td> 0K
描述: IC ANALOG INTRFC 170MSPS 128MQFP
標(biāo)準(zhǔn)包裝: 1
應(yīng)用: 圖形卡,VGA 接口
接口: 2 線串口
電源電壓: 3 V ~ 3.6 V
封裝/外殼: 128-BFQFP
供應(yīng)商設(shè)備封裝: 128-MQFP(14x20)
包裝: 托盤
安裝類型: 表面貼裝
Data Sheet
AD9888
Rev. C | Page 23 of 36
Hex
Address
Read and
Write, or
Read Only
Bits
Default
Value
Register Name
Function
0x15
R/W
[7:0]
1*******
Bit 7—channel mode. Determines single-channel or dual-channel output
mode. Logic 0 = single-channel mode; Logic 1 = dual-channel mode.
*1******
Bit 6—output mode. Determines interleaved or parallel output mode.
Logic 0 = interleaved mode; Logic 1 = parallel mode.
**0*****
Bit 5—A/B invert control. Determines which port outputs the first data
byte after HSYNC. Logic 0 = A port; Logic 1 = B port.
***0****
Bit 4—4:2:2 output formatting mode select. Logic 0 = 4:4:4 output format-
ting mode; Logic 1 = 4:2:2 output formatting mode.
****0***
Bit 3—input mux control. Logic 0 = Channel 0 selected; Logic 1 = Channel 1
selected
*****11*
Bits [2:1]—analog bandwidth control. Logic 00 = 75 MHz; Logic 01 =
150 MHz; Logic 10 = 300 MHz; Logic 11 = 500 MHz.
*******0
Bit 0—external clock select. Shuts down PLL and allows external clock
to drive the part. Logic 0 = use internal PLL; Logic 1 = bypassing of the
internal PLL.
0x16
R/W
[7:0]
11111111
Test register
Must be set to 11111110 for proper operation.
0x17
R/W
[7:3]
00000000
Test register
Must be set to default for proper operation.
0x18
RO
[7:0]
Test register
0x19
RO
[7:0]
Test register
1 The AD9888 updates the PLL divide ratio only when the LSBs of the PLL divider are written to in Register 0x02.
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