Supports hex, decimal, octal, and binary systems with a file size capacity up to 2GB.

For owners of the original UPA-USB Serial Programmer-S (UUSP-S) , the latest software releases (e.g., v3.5.0.0 as of early 2026) are available on the Elrasoft Download Page .

Supports a massive range of MCUs (Motorola/Freescale, Renesas/NEC, Cypress/Fujitsu) and EEPROMs (24x, 25x, 93x families).

The primary source for legitimate software and updates is the developer, .

Advanced users can add new devices or automate tasks using Pascal scripts .

If you want to explore the interface before purchasing, you can download a Software Demo (v1.1.0.0) which allows you to view features without hardware.