參數(shù)資料
型號: AD9984AKSTZ-140
廠商: ANALOG DEVICES INC
元件分類: 其它接口
英文描述: High Performance 10-Bit Display Interface
中文描述: SPECIALTY INTERFACE CIRCUIT, PQFP80
封裝: ROHS COMPLIANT, MS-026BEC, LQFP-80
文件頁數(shù): 29/44頁
文件大?。?/td> 490K
代理商: AD9984AKSTZ-140
AD9984A
Hex
Address
Rev. 0 | Page 29 of 44
Read/Write,
Read Only
Bits
4
Default
Value
***0 ****
Register Name
Description
Auto-Offset Hold.
Disables the auto-offset and holds the feedback result.
0 = Continuous update.
1 = One time update.
Must be written to default for proper operation.
Must be written to 0xE8 for proper operation.
Must be written to 0xE0 for proper operation.
SOG Filter Enable. When enabled, filters out SOG inputs less than 250 ns.
0 = SOG filter disabled.
1 = SOG filter enabled.
VCO Gear Select. Adds another range to the VCO. Used for lower
frequencies only.
0 = Disable low VCO gear.
1 = Enable low VCO gear.
Test Bits. Must be set to default for proper operation.
Auto Gain Matching Hold.
0 = Disables auto gain updates and holds the current auto offset values.
1 = Allows auto gain to continuously update.
Auto Gain Matching Enable.
000 = Auto gain matching is disabled.
110= Auto gain matching is enabled.
0x2D
0x2E
0x34
R/W
R/W
R/W
3:0
7:0
7:0
2
**** 0000
1111 0000
1111 0000
**** *0**
Test Register 5
Test Register 6
SOG Filter
0x36
R/W
0
**** ***0
VCO Gear
0x3C
R/W
7:4
3
0000 ****
**** 0***
Auto Gain
2:0
**** *000
1
Functions with more than eight control bits, such as PLL divide ratio, gain, and offset, are only updated when the LSBs are written to (for example, Register 0x02 for
PLL divide ratio).
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