MODULE – 1: ARM Embedded Systems and Processor Fundamentals
This module introduces the basics of ARM embedded systems and explains why ARM processors are widely used in modern electronic devices. It begins with the RISC (Reduced Instruction Set Computing) design philosophy and how ARM follows this approach for high performance with low power consumption. The module also covers the hardware and software components of embedded systems. Students learn about ARM processor registers, the Current Program Status Register (CPSR), and instruction pipelines. Concepts like exceptions, interrupts, and vector tables are explained to understand processor behavior during different events. Core extensions of ARM processors are also introduced to provide a strong foundation for advanced topics.
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MODULE – 2: ARM Instruction Set
This module focuses on the ARM instruction set and how instructions are used to perform operations inside the processor. It explains data processing instructions such as arithmetic and logical operations. Branch instructions are discussed to understand program flow and decision making. Students also learn about software interrupt instructions, which are important for operating system calls and exception handling. The module includes Program Status Register instructions and coprocessor instructions used for advanced processor control. Loading constants into registers is also covered. Overall, this module helps students understand how ARM assembly language works at a low level.
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MODULE – 3: C Compilers and Optimization
This module explains how C programs are compiled and optimized for ARM processors. It starts with basic C data types and looping structures commonly used in embedded programming. The module discusses register allocation, where variables are efficiently stored in processor registers to improve speed. Function calls and stack usage are explained to understand program execution. Pointer aliasing and portability issues are also covered, which are important for writing reliable and optimized embedded software. The module mainly focuses on improving program efficiency and understanding how high-level C code interacts with ARM hardware.
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MODULE – 4: Exception Handling, Interrupts, and Firmware
This module deals with exception and interrupt handling in ARM systems. It explains different ARM processor modes, vector tables, and exception priorities. Students learn how interrupts are assigned and managed, including IRQ and FIQ exceptions. Concepts like interrupt latency and interrupt stack design are discussed to understand real-time system performance. The firmware section introduces bootloaders and their role in system startup. ARM firmware tools such as RedBoot and examples like Sandstone are also explained. This module is important for understanding how embedded systems respond to external and internal events.
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MODULE – 5: Cache Memory and Memory Management
This module introduces cache memory and its role in improving processor performance. It explains the memory hierarchy and the relationship between cache memory and main memory. Students learn the basic architecture and operation of cache controllers. Topics such as set associativity, write buffers, and cache efficiency measurement are covered in detail. The module also discusses cache policies like write-back and write-through methods, as well as cache line replacement techniques. Finally, Coprocessor 15 and its role in cache and memory management are introduced. This module helps students understand how memory systems affect the speed and efficiency of ARM processors.