However, the software has well-documented flaws. A user on MCUmall discovered that while the programmer could write most of the data to a 22V10D GAL, it frequently failed to write the final 84 bits containing the crucial output pin configuration data and the user electronic signature (UES). This results in a chip that is "almost programmed" but unusable for its intended purpose, rendering the GAL support feature unreliable for some users.
Installing drivers for the TOP2007 on newer versions of Windows can be difficult due to driver signing requirements. top2007 programmer software download
The original manufacturer of the Top2007 programmer is Topshine (Topro). Because this hardware is legacy equipment, official websites are often offline or difficult to navigate. However, the software has well-documented flaws