Warranty terms for Parallax products
This manual introduces the Parallax SX-Key/Blitz development system, a tiny Windows‑based hardware and software package for programming SX microcontrollers. It covers the SX-Key and SX-Blitz hardware, the SXKey.exe software (version 2.0), and the associated firmware revisions (SX‑Key rev F, SX‑Blitz rev A).
The document includes a quick‑start guide, detailed descriptions of the SX editor, menus, debugger windows, and the SASM assembler. It also provides extensive reference material on ports, timers, interrupts, and the SX Tech Board, plus a full index and appendix with the SX data sheet and pinout information.
| Software version | 2.0 |
|---|---|
| Firmware revision (SX-Key) | F |
| Supported SX20/28 chip date code | AB9921AA or later |
| Supported SX48/52 chip date code | ABOO01A or later |
The SXKey.exe software version 2.0 is required.
It supports SX20/28 chips with a date code of AB9921AA or later, and SX48/52 chips with a date code of ABOO01A or later.