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AD9154 Datasheet(PDF) 105 Page - Analog Devices

Part # AD9154
Description  Digital-to-Analog Converter
PDF  124 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD9154 Datasheet(HTML) 105 Page - Analog Devices

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Data Sheet
AD9154
Rev. C | Page 105 of 124
Addr.
Name
Bits
Bit Name
Settings
Description
Reset
Access
0x1B6
DACPLLT6
7
RESERVED
Reserved.
0x0
R
6
PORESETB_VCO
Reset for VCO Logic.
0x1
R/W
[5:4]
EXT_VCO_BITSEL
External VCO Bitsel.
0x0
R/W
[3:0]
VCO_LVL_OUT
VCO Amplitude Control.
0xA
R/W
0x1B7
DACPLLT7
7
LD_SYNTH
Manual Recalibration of Synthesizer.
0x0
R/W
1 Enable circuitry to reduce the voltage of the cal
offset target point.
0 Disable circuitry to reduce the voltage of the cal
offset target point.
6
RESERVED
Reserved.
0x0
R
[5:0]
CP_IBLEED
Charge Pump Offset.
0x0
R/W
0x1B8
DACPLLT8
7
RESERVED
Reserved.
0x0
R
6
COMP_OUT
CP Calibration comparator output.
0x0
R
5
CP_CAL_DONE
CP Calibration has completed.
0x0
R
4
VCO_CAL_IN_
PROG
VCO Calibration occurring.
0x0
R
[3:0]
CP_CALBITS
Calibrated CP outcome.
0x0
R
0x1B9
DACPLLT9
7
HALF_VCO_CAL_
CLK
Slow down VCO Calibration clock.
0x0
R/W
6
DITHER_MODE
Dither Mode—Not used.
0x0
R/W
5
MACHINE_
ENABLE
PLL power mode machine enable.
0x1
R/W
4
CP_OFFSET_OFF
Turn off CP offset.
0x1
R/W
3
FORCE_CP_
CALBITS
Force external CP cal code.
0x0
R/W
0 CP Calibration auto—if device off.
1 CP Calibration manual—if device off.
2
CAP_CAL_EN
Enable CP Calibration.
0x1
R/W
0 Disable charge pump calibration.
1 Enable charge pump calibration.
[1:0]
CP_TEST
CP Test Modes.
0x0
R/W
0x1BA
DACPLLTA
[7:4]
MACHINE_STATE
Power-Up Machine State.
0x0
R
[3:0]
FCP_CALBITS
External CP Calibration Bits to Drive. These are the
externally forced calibration bits for the charge
pump in the PLL when the power-up machine is not
in use. The power-up machine automatically
calibrates the charge pump and stores the value in
the device.
0x0
R/W
0x1BB
DACPLLTB
[7:5]
RESERVED
Reserved.
0x0
R
[4:3]
VCO_BIAS_TCF
Temperature Coefficient for VCO bias.
0x1
R/W
[2:0]
VCO_BIAS_REF
VCO Bias control.
0x4
R/W
0x1BC
DACPLLTC
7
VCO_BYP_BIASR
Bypass VCO bias Resistor.
0x0
R/W
[6:5]
RESERVED
Reserved.
0x0
R/W
4
VCO_COMP_BYP_
BIASR
Bypass Resistor in VCO Comparator.
0x0
R/W
3
PRSC_HIGHR
PRSC configuration.
0x0
R/W
2
LAST_ALC_EN
Enable Last ALC.
0x0
R/W
[1:0]
PRSC_BIAS_CTRL
PRSC bias Control.
0x0
R/W
0x1BD
DACPLLTD
[7:4]
RESERVED
Reserved.
0x0
R
3
VCO_CAL_REF_
MON
Sent control voltage to outside world.
0x0
R/W
[2:0]
VCO_CAL_REF_
TCF
Temperature Coefficient for Calibration reference.
0x0
R/W



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