Velleman PCSU1000

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 8-bit microcontroller
• 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