參數(shù)資料
型號： AD9148-M5372-EBZ
廠商： Analog Devices Inc
文件頁數(shù)： 33/72頁
文件大?。?/td> 0K
描述： BOARD EVAL FOR AD9149, ADL5372
設(shè)計資源： AD9148-M5372-EBZ Schematic
AD9148-M5372-EBZ BOM
AD9148-M5372-EBZ Gerber Files
標(biāo)準(zhǔn)包裝： 1
系列： *
Data Sheet
AD9148
Rev. B | Page 39 of 72
Register Name
Addr
(Hex)
Bit
Name
Function
Default
FTW (LSB)
54
7:0
FTW[7:0]
See Register 0x57.
0
FTW
55
7:0
FTW[15:8]
See Register 0x57.
0
FTW
56
7:0
FTW [23:16]
See Register 0x57.
0
FTW (MSB)
57
7:0
FTW [31:24]
FTW[31:0] is the 32-bit frequency tuning word that
determines the frequency of the complex carrier generated
by the on-chip NCO. The frequency is not updated when the
FTW registers are written. The values are only updated when
Register 0x5A[2] transitions from 0 to 1.
0
Phase Offset MSB
58
7:0
NCO Phase
Offset[15:8]
See Register 0x59.
0
Phase Offset LSB
59
7:0
NCO Phase
Offset[7:0]
NCO Phase Offset[15:0] sets the phase of the complex carrier
signal when the NCO is reset. The phase offset spans between
0 and 360. Each bit represents an offset of 0.0055°. Value is
in twos complement format.
0
DDS/Mod Control
5A
7
Bypass DDS/MOD
1 = bypass NCO.
1
5
Frame NCO reset ack 1 = indicates that the NCO has been reset due to an
extended FRAMEx_x pulse signal.
0
4
Frame NCO
reset request
0
→1 = The NCO is reset on the first extended FRAMEx_x
pulse after this bit transitions from 0 to 1.
0
3
FTW update ack
1 = indicates that the FTW has been updated with the
SPI value.
0
2
FTW update request 0
→1 = FTW is updated with the SPI value on a 0-to-1
transition of this bit.
0
Sideband select
0 = The modulator output high-side image.
0
1 = The modulator output low-side image. The image is
spectrally inverted compared to the input data.
Die Temp Control 0
5C
1
Latch temp data
0
→ 1 = latches temp sensor data. This should be completed
before the Die Temp[15:0] is readback.
0
Temp sensor
power-down
1 = powers down the aux ADC that converts die temperature. 1
Die Temp Control 1
5D
7:0
00001010
Set these bits to 00001010 for optimal temperature sensor
operation.
100000
Die Temp (LSBs)
5E
7:0
Die Temp[7:0]
Die Temp[15:0] indicates the approximate die temperature.
Read-
only
Die Temp (MSBs)
5F
7:0
Die Temp[15:8]
Die Temp[15:0] indicates the approximate die temperature.
Read-
only
DCI Delay
72
1:0
DCI delay
Programmable delay added DCI.
00
00 = no added delay.
01 = 200 ps delay.
10 = 400 ps delay.
11 = 600 ps delay.
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