AD9546SLASHPCBZ datasheet(5/205 Pages) AD

5 / 205 page

Data Sheet

AD9546

Rev. 0 | Page 5 of 205

Tagged Time Stamps ............................................................... 159

UTSP with System Clock Compensation............................. 159

Timing Skew Measurements Using Two TDCs ...................... 160

Tagged Skew Measurement Time Stamps............................ 161

Auxiliary NCOs............................................................................ 162

Auxiliary NCO Overview ....................................................... 162

Auxiliary NCO Frequency...................................................... 162

Auxiliary NCO Phase Offset .................................................. 163

Auxiliary NCO Phase Slew Limit .......................................... 164

Elapsed Time Adjustment ...................................................... 164

Auxiliary NCO Time Stamps ................................................. 164

Auxiliary NCO Pulse Output................................................. 165

Temperature Sensor..................................................................... 167

Temperature Sensor Overview .............................................. 167

Temperature Source Selection ............................................... 167

Internal Temperature Sensor ................................................. 167

External Temperature Source ................................................ 168

System Clock Compensation...................................................... 169

System Clock Compensation Overview................................ 169

Compensation Method 1 ........................................................ 171

Compensation Method 2 ........................................................ 174

Compensation Method 3 ........................................................ 175

Integrated Compensation Subsystem ................................... 177

System Clock Compensation Programming Registers....... 178

Status and Control Pins............................................................... 180

Status and Control Pins Overview......................................... 180

Multifunction Pins at Reset or Power-Up............................ 180

Defining an Mx Pin for Status or Control............................ 181

Status Functionality..................................................................181

Control Functionality...............................................................182

Interrupt Request (IRQ) ..............................................................183

IRQ Overview............................................................................183

IRQ Status Bits ..........................................................................183

IRQ Mask Bits ...........................................................................183

IRQ Clear Bits ...........................................................................183

Watchdog Timer...........................................................................185

EEPROM Usage ............................................................................186

EEPROM Overview..................................................................186

EEPROM Controller General Operation ..............................186

EEPROM Instruction Set.........................................................187

Multidevice Support.................................................................189

Applications Information............................................................191

Digitized Clocking Application ..............................................191

Clock Propagation Delay Measurement................................193

Time Stamp Measurement ......................................................194

IEEE 1588 Servo........................................................................195

Initialization Sequence.................................................................196

Serial Control Port........................................................................199

Serial Control Port Overview..................................................199

SPI/I²C Port Selection ..............................................................199

SPI Serial Port Operation ........................................................199

I²C Serial Port Operation.........................................................202

Outline Dimensions .....................................................................205

Ordering Guide.........................................................................205

REVISION HISTORY

10/2020—Revision 0: Initial Version

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