Keil C51 is the industry standard toolchain for all 8051 compatible devices. It supports the classic 8051, Dallas 390, NXP MX, extended 8051 variants and C251 devices.
The µVision IDE and debugger integrate the complete device simulation, provide interfaces to many debug adapters and various debug monitor solutions.
Keil's development tools for the 8051 microcontroller architecture support all levels of software developers, from professional application engineers to students familiar with embedded software development.
A51 and CA51 editions are discontinued. PK51 is available on request. Please contact our sales department.