Velleman PCSU1000

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The Velleman PCSU1000 is an inexpensive USB-based oscilloscope. It has 2 channels, an analog bandwidth of 50MHz and 1GS/s sampling rate.

See Velleman PCSU1000/Info for more details (such as lsusb -vvv output) about the device.

Components

  • Xilinx XC3S50 50K-gate FPGA
  • 50MHz crystal: 50.000 Y0KE (clock source for the Xilinx FPGA)
  • FTDI FT245BL USB interface chip
  • Microchip 93LC46BI 128-byte EEPROM chip for the FTDI chip's USB settings
  • Microchip PIC16F630-I/P
  • Philips/NXP 74HC367D Hex buffer/line driver
  • SIR-S4-105A FZ
  • Unisonic Technologies Co. (UTC) ULN2003

TODO: Rest of the chips.

Photos

  • PCB, front

  • PCB, chunk

  • Xilinx XC3S50

  • Microchip PIC16F630-I/P

  • FTDI FT245BL

  • Microchip 93LC46BI

  • UTC ULN2003

  • Philips/NXP 74HC367D

  • 3x SOIC-8 chips

  • 50MHz crystal

  • SIR-S4-105A FZ

Photo TODO: Device front, device back, connectors, PCB back, unreadable chip on the "PCB chunk" photo, others.

Protocol

TODO

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