The SX-Key USB is Parallax's primary development tool for the SX line of microcontrollers, supporting every chip that is commercially available. Supported by the SX-Key Editor software, the SX-Key programming tool can program SX chips in-system and perform in-circuit source-level debugging. Also at the user's fingertips is an on-board programmable clock. The frequency output of this clock is adjusted from the software with a slider bar between 2.75 MHz and 100 MHz. The software operates on a Windows platform and is compatible with Win98/NT/2K/XP/Vista platforms.
Features:
- Create PLL frequencies from 2.75 MHz to 100 MHz
- Run from USB power independent of the target system’s operating voltage
- Connect to the computer through a full speed USB port
- Connect to a Parallax SX Tech Board, Parallax Professional Development board, or any other board with a 4-pin male SX-Key header
- Perform in-system programming and debugging
Key Specifications:
- Power supply: +5 VDC supplied via the USB connection
- Communication: USB (v 1.1 and 2.0 supported)
- Dimensions: 2.5 x 0.63 x 0.25 in (63.5 x 16 x 6.5 mm)
- Operating Temperature: +32 to +158 °F (0 to +70 °C)
Included In:
Alternate viewing angle:

Click through for a close-up.

Note: At this time, we highly recommend purchasing the [SX Tech Tool Kit]. Which kits include the SX-Key programming tool, SX Tech Demo Board, two SX chips, USB cable, and cd-rom. Click on the above product link for complete details.
Downloads & Resources:
SX-Key USB Documentation (.pdf)
SX Key Manual (.pdf)
SX-Key Software amd Documentation Downloads