AD6411

–8–

REV. 0

One-Time Setup Register Bit Definitions

RSB: Receive Control Line Sense Bit

RSB

Function

0

Receive Section POWER UP Active HIGH

1

Receive Section POWER UP Active LOW

TSB: Transmit Control Line Sense Bit

TSB

Function

0

Transmit Section POWER UP Active HIGH

1

Transmit Section POWER UP Active LOW

SSB: Synthesizer Control Line Sense Bit

SSB

Function

0

Synthesizer POWER UP Active LOW

1

Synthesizer POWER UP Active HIGH

RXM1, RXM0: Divider Power Mode In Active Receive Slot

RXM1

RXM0

Function

0

0

Dividers Powered Down, VCO Fly-

wheeled in Active Receive Mode

0

1

Dividers Powered Up, VCO Fly-

wheeled in Active Receive Mode

1

0

Dividers Powered Up, VCO Locked

to Synthesizer in Active Receive Mode

1

1

Dividers Powered Up, VCO Locked

to Synthesizer in Active Receive Mode

TXM: Divider Power Mode In Active Transmit Slot

TXM

Function

0

Dividers Powered Down, VCO Flywheeled in

Active Mode

1

Dividers Powered Up, VCO Flywheeled in Active

Mode

BSWS: Band Switch Sense (Control with External Lines)

BSWS

Function

0

Band Switch Output High in Receive Slot, PIN

Diode ON

1

Band Switch Output Low in Receive Slot, PIN

Diode ON

CF0: Configuration Bit 0

CF0

Function

0

Use Serial Interface for Mode Control

1

Use External Control Lines for Mode Control

CT1, CT0: Charge Pump Test Bits

CT1

CT0

Function

0

0

Three-State Output

0

1

Force Pump UP Current (Nom 1 mA)

1

0

Force Pump DOWN Current (Nom 1 mA)

1

1

Normal Operation (Driven from PFD)

DSD: Disable Data Slicer

DSD

Function

0

Disable On-Chip Data Slicer. Analog Output at Pin

DEMOD_DATA

1

Enable On-Chip Data Slicer. Digital Output at Pin

DEMOD_DATA

DSD bit is configured at power-up depending on whether an

external data slicer is being used in the system. Data slicer is

disabled when the IF strip is powered down irrespective of the

status of bit DSD.

SFM: S-Field Mode

SFM

Function

0

Normal Demodulation Mode

1

S-Field Sampling Mode

PDS: Phase Detector Sense

PDS

Function

0

PFD Pumps UP when Fvco > Fref

1

PFD Pumps UP when Fref > Fvco

RD: Reference Divide Ratio

RD

Function

0

Reference Frequency = 10.368 MHz

1

Reference Frequency = 13.824 MHz