User Guide

Hardware and Software Design • Manufacturing Services
P a g e 37
Specifications
Host Interface: [PMC] PCI Mezzanine Card - 32 bit
Serial Interface: 4 Tx and 4 Rx serial interfaces each with Data, Clock, Stb. 32 bit word
size, LSB first, multiple words
Tx Data rates generated: 20 MHz oscillator, PCI clock or external clock references with
programmable 12 bit divider for programmable frequencies. Max transmit
and receive rate of 20 MHz with current VHDL. Custom oscillators can be
installed for alternate frequencies.
Rx Data rates accepted: Continuous up to 20 MHz.
Software Interface: Control Registers, Status Ports, FIFOs
Initialization: Hardware Reset forces all registers to 0.
Access Modes: LW boundary Space (see memory map)
Wait States: 1 for all addresses
Interrupt: Tx interrupt at end of transmission [4]
Rx interrupt at end of reception [4]
Change of state interrupts [16]
Software interrupt
DMA: No DMA Support implemented at this time
Onboard Options: All Options are Software Programmable
Interface Options: 68 pin twisted pair cable
68 screw terminal block interface
Dimensions: Standard Single PMC Module.
Construction: FR4 Multi-Layer Printed Circuit, Through Hole and Surface Mount
Components. Programmable parts are socketed.
Temperature Coefficient: 2.17 W/
o
C for uniform heat across PMC
Power: Max. TBD mA @ 5V