INTRODUCTION TO LPC2210 AND LPC2294
Overview
- ARM core based architecture
- ARM7 local bus
- AMBA AHB/APB internal buses
- The main three blocks : platform, core and input / output peripherals
- APB Bridges
- Memory mapping, internal flash (2294) and SRAM
THE PROCESSOR CORE
ARCHITECTURE OF THE ARM7TDMI CORE
- Presentation of the core, architecture and programming model
- Operating modes : user, system, super, IRQ, FIQ, undef and abort
- Pipeline, calculation of the CPI
- Effects of branches and exceptions on the performance
- ALU data path
SOFTWARE IMPLEMENTATION, V4T SPECIFICATION
- Parameterizing the linker to define sections
- Branch instructions, implementation of C call and return statements, long branch veneers
- ARM vs Thumb instruction sets, interworking
- ARM instruction set
- Inline barrel shifter
- Access to memory-mapped locations, addressing modes
- Arithmetical and logic instructions
- Thumb instruction set, highlighting restrictions with regard to ARM instruction set
- Compiler hints and tips, optimisations supported by RVCT
- Stack management
- Benefits of condition set capability in ARM state
- C-to-Assembly interface, ATPCS specification
EXCEPTION MECHANISM
- Reset
- FIQ vs IRQ
- Exception return instructions
- Latency estimation, impact of load and store multiple instructions
- Organization of the handler table, priority decoder, pre-emption and nesting
- ISR header and footer routines
- Development of a generic exception handler
INTEGRATED DEBUG FACILITIES
- JTAG interface
- Debug facilities, hardware breakpoint
- Executing code from RAM to take benefit of software breakpoints
PLATFORM
THE VECTORED INTERRUPT CONTROLLER
- Assigning a priority to each interrupt source
- Steering external interrupts and local interrupts to either the core FIQ or IRQ
- Developing a generic interrupt handler performing nesting according to peripheral priorities defined by the user
- Integrated timers
- Using timers to understand the operation of the VIC
SYSTEM CONTROL
- Pin connect block
- Clocking
- Reset and wake-up timer
- Low power modes
- Watchdog timer
- Real-Time clock
ON-CHIP FLASH MEMORY (2294)
- Organization
- Erase sequence
- Program sequence
- In system programming via serial port
- On-chip bootloader
EXTERNAL MEMORY CONTROLLER
- Address decoding
- Chip-select registers
- Parameterizing the memory bank registers to support external burst flash
INTEGRATED I/Os
SERIAL INTERFACES
- I2C basics
- I2C controller
- UART controller
- SPI and SSP interfaces
- CAN protocol basics
- CAN controller (2294)
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