128axc-based USBee AX-Pro clone

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The 128axc-based USBee AX-Pro clone is a USB-based logic analyzer with 8-channel and up to 24MHz sample-rate.

It is yet another Cypress FX2 based logic analyzer. This one reports on USB as 08a9:0014 which is CWAV USBee AX-Pro, but contrary to the original (or other clones such as HT_USBee-AxPro), it has no Analog input.

In sigrok, we use the open-source fx2lafw firmware for this logic analyzer.

See 128axc-based USBee AX-Pro clone/Info for more details (such as lsusb -v output) about the device.

Hardware

  • Main chip: Cypress CY7C68013A-128AXC (FX2)
  • Input buffer: NXP HC245
  • 2kByte I²C EEPROM: Atmel A24C02BN
  • Voltage regulator: AMS 117
  • 24MHz crystal: RJH24.000
  • No DAC is present, no Analog entry possible.

Photos

PCB, top

PCB, bottom, CY7C68013A-128AXC

NXP HC245 Input Buffer

Protocol

Since we use the open-source fx2lafw firmware for this device, we don't need to know the protocol.