AT89LP Developer Studio
The 2.3.1 version of AT89LP Developer Studio is provided as a free download on our website. Our antivirus check shows that this download is clean. This free software is a product of Atmel Corporation. The program is included in Development Tools. The AT89LP Developer Studio installer is commonly called LPStudio.exe. This PC software works fine with 32-bit versions of Windows XP/7/8. The most popular versions of the program 2.3, 2.2 and 2.1.
From the developer:
A Windows-based integrated development environment (IDE) for the Atmel AT89LP family of low-power single-cycle 8051 microcontrollers. The IDE provides project management tools, a text editor for code entry, cycle accurate simulation, and on-chip debugging services. The IDE requires the Microsoft .NET Framework.
You may want to check out more software, such as AT89LP ISP Studio, CodeWarrior Development Studio for S12 X or COBOL-IT Developer Studio, which might be similar to AT89LP Developer Studio.