ARM® Microcontrollers - Architectural Overview of the 32-Bit Microcontroller
The ARM® embedded microcontroller cores are member of the
Advanced RISC Machines (ARM®) family of general purpose 32-bit
microprocessors, which offer high performance and very low power
consumption. Its outstanding feature is the 16-bit Thumb® subset of the
most commonly used 32-bit instructions. These are expanded at run time
with no degradation of system performance. This gives 16-bit code
density (saving memory area and cost) coupled with 32-bit processor
performance.
The ARM architecture is based on Reduced
Instruction Set Computer (RISC) principles, and the instruction set and
related decode mechanism are much simpler than those of microprogrammed
Complex Instruction Set Computers. This simplicity results in a high
instruction throughput and impressive real-time interrupt response from
a small and cost-effective chip.
Pipelining is employed so that
all parts of the processing and memory systems can operate
continuously. Typically, while one instruction is being executed, its
successor is being decoded, and a third instruction is being fetched
from memory.
The ARM® memory interface has been designed to allow
the performance potential to be realized without incurring high costs
in the memory system. Speed-critical control signals are pipelined to
allow system control functions to be implemented in standard low-power
logic, and these control signals facilitate the exploitation of the
fast local access modes offered by industry standard dynamic RAMs.
UDE - Universal Debug Engine with Linux support - Debugger and Emulator for ARM
UDE - Universal Debug Engine
- is a flexible debug and emulator platform with Multi-core debugging.
Special feature support:
Supported ARM cores
- ARM7TDMI
- ARM710T
- ARM720T
- ARM740T
- ARM7EJ
- Cortex™-M0
- Cortex™-M3
- Cortex™-M4
- Cortex™-R4
- Cortex™-A8
- ARM9TDMI
- ARM920T
- ARM922T
- ARM926EJ
- ARM940T
- ARM946E
- ARM966E
- ARM968E
- ARM11MP
- ARM1136JF-S
- XScale™
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