AD9083BBCZ datasheet(86/93 Pages) AD

86 / 93 page

AD9083

Data Sheet

Rev. 0 | Page 86 of 93

Addr.

Name

Bits

Bit Name

Description

Reset Access

0xBA2 VTI_SHIFT_CURRENT_

MSB_REG

SPARE_REG_12_7

(vti_force_cm): 0 = vti normal mode, 1= vti input

common-mode is forced by input.

0x0

R/W

SPARE_REG_12_6

(vti_high_imp): 0 = vti normal mode, 1= vti

input common-mode is high impedance.

0x0

R/W

[5:4]

RTERM

Termination Resistance.

0x0

R/W

00: Open.

01: 200 Ohm.

10: 100 Ohm.

[3:0]

RESERVED

Reserved.

0x0

R/W

0xBB3 CAL_EN

ENABLE_CLOCK

Clock Enable for the VCO ADC Digital.

0x0

R/W

[6:0]

RESERVED

Reserved.

0x0

R/W

0xBBA KGAIN_VAL0

[7:0]

KGAIN_VAL[7:0]

floor(kgain) – (2^8)*Kgain1 – (2^16)*Kgain2

0x0

R/W

0xBBB KGAIN_VAL1

[7:0]

KGAIN_VAL[15:8]

floor(kgain/2^8) – (2^8)*Kgain2

0x0

R/W

0xBBC KGAIN_VAL2

[7:6]

RESERVED

Reserved.

0x0

[5:0]

KGAIN_VAL[21:16]

floor(kgain/2^16)

0x0

R/W

0xBC3 BCENTER_1

[7:2]

BCENTER_OFFSET

Offset Value for Bcenter.

0x0

R/W

[1:0]

RESERVED[9:8]

Reserved.

0x0

0xBC8 DIVM_RC

[7:0]

DIVM_RC

Wait Time for C Measurement. Valid range is 125-

255. This multiplied by the fs/8 clock period

determines the time between falling edge of

C_RESET to falling edge of C_CLK for C ramp.

0x0

R/W

Temperature Diode Control Registers

0xC01 TRM_TEMP_DIODE

[7:0]

TRM_TEMP_DIODE

0x0

R/W

00: Default.

11: Temp sensor: Enable sense 1x and 20x diode

voltages.

0xC04 TOP_REF_MONITOR

[7:4]

RESERVED

Reserved.

0x0

[3:2]

SPI_SEL_MON_TEMP

0x0

R/W

00: Default.

01: Temp Sensor: measure 1x diode (also set

trm_temp_diode[7:0] = 3).

10: Temp sensor: measure 20x diode (also set

trm_temp_diode[7:0] = 3).

11: Temp sensor: measure GND.

[1:0]

RESERVED

Reserved.

0x0

R/W

On-Chip PLL Configuration Registers

0xD02 RESET_REG

[7:2]

RESERVED

Reserved.

0x0

D_CAL_RESET

Resets Vco Calibration. Rising edge starts VCO

momcap calibration.

0x0

R/W

RESERVED

Reserved.

0x0

R/W

0xD03 INPUT_MISC_REG

[7:2]

RESERVED

Reserved.

0x4

[1:0]

D_REFIN_DIV

Programmable Predivider Value (1,2,3,4) (Also

called /R in some documentation).

0x0

R/W

00: /1.

01: /2.

10: /3.

11: /4.

0xD04 CHARGEPUMP_REG_0

[7:6]

RESERVED

Reserved.

0x0

R/W

[5:0]

D_CP_CURRENT

Charge Pump Current

0x13

R/W

0xD09 DIVIDER_REG

[7:6]

RESERVED

Reserved.

0x0

R/W

[5:0]

D_DIVIDE_CONTROL

Programmable Divide by N Value (2-50)

0x6

R/W

AD9083BBCZ Datasheet(PDF) 86 Page - Analog Devices

AD9083BBCZ Datasheet(HTML) 86 Page - Analog Devices

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