Interface Control Document

Content

• Introduction
  • Intended Audience
  • System Overview
  • Digitizer Module
  • Packetizer Module
  • Versions and Deployment
  • SPEAD Packet Description
  • Packet Timestamp
  • EDD Packetizer Data Packetization

• SPEAD Parameters
  • SPEAD Header
  • Item Pointers
  • Payload Data
  • Noise Diode Status
  • Digitizer / Packetizer Serial Number
  • Digitizer / Packetizer Receptor ID
  • Digitizer / Packetizer Type
  • Polarization ID
  • ADC Saturation Flag
  • Packetizer SPEAD Specifications

• Packetizer KATCP Interface
  • KATCP command List
    • EDD Packetizer Stream Operations
    • EDD Packetizer Snapshot Operations
    • EDD Packetizer SPROC Operations
    • EDD Packetizer DNET Operations
    • EDD Capture Operations
    • EDD Operations
    • EDD Packetizer Diagnostics Operations
    • EDD Packetizer Debug Operations
    • EDD Debug Operations
    • EDD Packetizer JESD Operations
    • EDD Packetizer Miscellaneous Operations
    • Miscellaneous Operations
  • Digitizer Sensor List
    • Regular Digitizer Sensors
    • Housekeeping Sensors
  • Packetizer Sensors List
    • System Status
    • Time Reference
    • Network Interface
    • Housekeeping
    • Miscellaneous

• Operation Example
  • Introduction
  • Initialization and Setup
  • Configuration Process
  • Data Capture and Streaming
  • Snapshot Handling
  • Main Execution
  • Conclusion

References

1. http://casper.berkeley.edu/astrobaki/images/9/93/SPEADsignedRelease.pdf

2. https://casper.berkeley.edu/wiki/SPEAD

3. L-Band Digitizer CBF Interface Control Document (M1000-0001-053, Version: 3)

LIST OF ABBREVIATIONS

ABBREVIATION
Eff/Effelsberg	Effelsberg 100m Telescope
GbE	Gigabit Ethernet
ICD	Interface Control Document
IP	Internet Protocol
FFT	Fast Fourier Transform
LSB	Least Significant Bit
MSB	Most Significant Bit
PFB	Polyphase Filter Bank
PPS	Pulse Per Second
SPEAD	Streaming Protocol for Exchanging Astronomical Data
TBC	To Be Confirmed
TBD	To Be Determined
UBB	Ultra-Broad Band Receiver
UDP	User Datagram Protocol