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AD9148BBCZ bảng dữ liệu(PDF) 25 Page - Analog Devices

tên linh kiện AD9148BBCZ
Giải thích chi tiết về linh kiện  Quad 16-Bit,1 GSPS, TxDAC Digital-to-Analog Converter
PDF  73 Pages
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nhà sản xuất  AD [Analog Devices]
Trang chủ  http://www.analog.com
Logo AD - Analog Devices

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Preliminary Technical Data
AD9148
Rev. PrA | Page 25 of 73
Addr
Register
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Default
0x54
FTW (LSB)
FTW[7:0]
0x00
0x55
FTW
FTW [15:8]
0x00
0x56
FTW
FTW[23:16]
0x00
0x57
FTW (MSB)
FTW[31:24]
0x00
0x58
Phase offset
(MSB)
NCO Phase Offset[15:8]
0x00
0x59
Phase offset
(LSB)
NCO Phase Offset[7:0]
0x00
0x5A
DDS/mod
control
Bypass
DDS/MOD
Frame NCO
reset ack
Frame NCO
reset request
FTW
update ack
FTW
update
request
Sideband
select
0x80
0x5C
Die Temp
Control 0
Latch
temp
data
Temp
Sensor
power
down
0x01
0x5D
Die Temp
Control 1
0
0
0
0
1
0
1
0
0x20
0x5E
Die temp LSB
Die Temp[7:0]
0x5F
Die temp MSB
Die Temp[15:8]
0x72
DCI delay
DCI Delay[1:0]
0x00
0x79
PLL Ctrl (Test)
1
1
1
1
1
1
1
1
0x40
1 Register 0x20 to Register 0x3F and Register 0x41 to Register 0x51 configure DAC 1 (I) and DAC 2 (Q) data paths with DAC SPI select = 0 (Register 0x00[4]). Register 0x20
to Register 0x3F and Register 0x41 to Register 0x51 configure DAC 3 (I) and DAC 4 (Q) data paths with DAC SPI select = 1 (Register 0x00[4]).
SPI REGISTER DESCRIPTIONS
Table 13. Register Descriptions
Register Name
Addr
(Hex)
Bit
Name
Function
Default
Comm
00
7
SDIO
SDIO operation.
0
0 = SDIO operates as an input only.
1 = SDIO operates as bidirectional input/output.
6
LSB/MSB first
SPI communication LSB first (default is MSB first).
0
0 = MSB first.
1 = LSB first.
5
Software Reset
Software reset.
0
Reset is asserted when this bit transitions from 0 to 1.
4
DAC SPI select
Selects which DAC data path Register 0x20 to Register 0x3F and
Register 0x41 to Register 0x51 configure.
0
0 = DAC 1 (I path) and DAC 2 (Q path) are configured.
0
1 = DAC 3 (I path) and DAC 4 (Q path) are configured.
Power Control
01
7
Power-Down
DAC Set 1
Power down DAC 1 and power down DAC 2.
0
6
Power-Down
DAC Set 2
Power-down DAC 3 and power down DAC 4.
0
5
Power-down
data receiver
Power down the input data receiver.
0



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