Multifunction I/O for PMC & XMC FPGAs AXM-A75

The AXM-A75 is a multi-function I/O module that adds A/D, D/A and Digital I/O Signal processing functions to a FPGA board. The extension I/O modules plug directly into Acromag FPGA Board that is equipped with an AXM mezzanine connector.

Therefore, providing up to 16 analog inputs of simultaneous A/D and 8 analog outputs of simultaneous D/A. Plus 16 digital I/O channels.

The Acromag AXM-A75 is a Multifunction I/O for PMC & XMC FPGAs.

Firstly, there are 16 differential analog input channels. Each input has its own high speed 16-bit A/D converter. Therefore, offering the ability to simultaneously sample all channels. A low pass filter to remove unwanted EMI is conveniently located at the beginning of the analog signal chain. Along with, a programmable gain amplifiers that scales the input and provides a corresponding giga-ohm input impedance.

Secondly, the two quad serial input DAC devices drive eight analog output channels. Each channel has its own high speed 16-bit D/A converter allowing simultaneous updates to all outputs. There are sixteen bi-directional digital I/O channels which provide the ability to monitor and control discrete devices. Each I/O channel is individually configurable as an input or output for greater flexibility to match your requirements.

Features of the Multifunction I/O for PMC & XMC FPGAs AXM-A75 include:

  • 16 channels of analog input capable of simultaneous sampling
  • 16-bit 250kHz A/D converter on each channel
  • Analog input range of ±10.24 volts
  • Programmable gain of 1x, 2x, 4x, or 8x
  • 8 channels of analog output capable of simultaneous updates
  • Each A/D channel includes a 2K sample FIFO
  • FIFO status interrupts configurable for half-full or overflow conditions
  • Dual quad 16-bit serial input D/A converters with 10μS settling time
  • Analog output range of ±10 volts
  • 16 channels of general-purpose digital I/O
  • Front panel 68-pin VHDCI receptacle for field I/O connections
  • Example VHDL code provided in the base board’s Engineering Design Kit to control sample rate and gain selection
  • Operating temperature: -40 to 85°C


Finally, for more information, contact us.


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