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Keil development tools offer a complete development environment for ARM, Cortex-M, and Cortex-R processor-based devices. They are easy to learn and use, yet powerful enough for the most demanding embedded applications.

Feature	Products
	MDK-Professional	MDK-Standard	MDK-Basic	MDK-Lite
µVision IDE
IDE
Debugger				32KB
Simulator				32KB
ARM® Compiler
C/C++ Compiler			256KB	32KB
Assembler
Linker			256KB	32KB
ARM MicroLib Run-Time Library
ARM Standard Run-Time Library
Middleware Libraries
RTX Real-Time Operating System (Including Source Code)
TCP/IP Networking Suite
Flash File System Library
USB Device Interface
USB Host Interface
CAN Driver Library (Including Source Code)
GUI Library
Debug and Trace Support
ULINK-ME (available separately)
ULINK2 (available separately)
ULINKpro (available separately)
Data and Event Trace (SWV)
Streaming Instruction Trace (ETM)
Code Coverage
Performance Analyzer
Execution Profiling
ARM Processor Support
Cortex-M0, M1, M3, M4
Cortex-R4
ARM7, ARM9
System Requirements
Windows Operating System	XP SP2, Vista or Windows 7 (32/64)	XP SP2, Vista or Windows 7 (32/64)	XP SP2, Vista or Windows 7 (32/64)	XP SP2, Vista or Windows 7 (32/64)
Hard Disk Space	1.4GB	1.4GB	1.4GB	1.4GB
RAM	1GB (2GB Recommended)	1GB (2GB Recommended)	1GB (2GB Recommended)	1GB (2GB Recommended)