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BlackcatUSB User Manual

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Staff member
BlackcatUSB Operation Manual


  • Fast 16MHz CISC processor
  • 16KB programmable memory
  • 2 DIP switches for mode changes
  • Upgradeable firmware over USB
  • On board reset button
  • Universal CFI Flash programming support
  • USB 1.1 / 2.0 compatible
BlackcatUSB is a mutli protocol Flash memory programmer. It supports both parallel
and serial type Flash devices using both JTAG and SPI communication protocols.
BlackcatUSB Supports:
  • Enhanced JTAG for MIPS
  • SPI Mode 0, 1 and 2
  • CFI Flash memory devices (with auto detection)
  • High-density SPI Flash devices (2Mb~128Mb and up to 104 MHz)
Driver installation

When you connect BlackcatUSB to your PC for the first time, you should notice a "Found new hardware" notification popup, after which this prompt should appear:

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Select "Install from a list or specific location" and click Next.

Click Browse and locate the driver folder "Driver (2K XP Vista Win7)" from the
software and click Next to install the software drivers.

Notice: for additional directions for installing on 64-bit platforms or Windows 7, please
read the instructions in the "Install Directions (for 64 bit)" folder.

Setting up BlackcatUSB device mode or upgrading

BlackcatUSB is a multi protocol Flash memory programmer. That means it is able to
function using different hardware protocols and can interface with different types of
Flash memory devices. The functionality of your device can be changed by using the
built in DFU (device firmware upgrade) feature.

To begin, plug in the BlackcatUSB to your computer using a USB cable. By default, the
BlackcatUSB is in "Operation Mode". In order to update the firmware, you must put the
device into "Bootloader Mode". To do this, use a pen and move turn off both switches of
the board.
Operation Mode

Bootloader Mode

Now, press the reset button on the board; which is the button located in the middle of the
board. This will cause the device to restart in "Bootloader Mode". The first time you do
this, you will be prompted for a driver for the AT90USB162 device. Just follow the steps
above the same way you installed the BlackcatUSB drivers.
Start the software and you should see something very similar to this:

Now click on the "AVR Firmware" tab.

Click "Load File" button which will bring up a window to select the AVR Firmware.
Select the firmware you want to use and click "OK". Now, press the "Program" button to
install the firmware and finally click the "Start Application" button to reset the board and
start the new firmware.
Using Enhanced JTAG Mode

With the "BCUSB.6.01.EJTAG.hex" firmware file installed, you can use BlackcatUSB
as a JTAG interfacing tool to connect to a wide range of EJTAG compatible devices
from routers to printers and everything else you can imagine.

BlackcatUSB will only act like a passive diagnostic tool for the target system, so the
device will need to be powered on by itself. Follow the above diagram to connect the
BlackcatUSB JTAG port to the target system, power it on, and start the software. The
software will now allow you to interface with the device's memory and Flash device. For
additional features or device support, please see the Script Engine Tutorial for
information about using the powerful script engine.
Using SPI Mode

With the "BCUSB.1.09.SPI.hex" firmware file installed, BlackatUSB will be a universal
high density serial programming interface cable. Please see "Flashes_Supported.pdf" (located in the software download) for a list of all the devices this software supports. If you have a device that it does not support,
we offer a free service where you can send us the device and we can add support for

Below is an example SO-16 Flash Device, to interface your Blackcat USB, follow this schematic

You may need to double check the pin outs on the various IC packages, because not all
follow this layout (although most do).

With the BlackcatUSB connected to your computer, and the SPI flash connected to the
10-pin SPI port, start the software and the interface should display the flash name and

The Flash tab will allow you to read and write data to the SPI flash memory. The speed
will vary depending on the type of Flash, supported modes, clock settings and additional
writing features.
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