Università Roma Tre

Introduction: fundamentals on digital electronic systems: wired vs. programmable logic; hardware description languages in the design of complex systems; programmable digital apparatus; microprocessor invention: Von Newmann and Harvard architectures; RISC e CISC; history and evolution of microprocessors; microcontrollers architecture;
ARM architecture: breef history; microprocessors at glance; instruction set; RISC architecture; internal registers organization; ARM and Thumb states; general purpose registers in ARM and Thumb modes; CISC versus RISC; ARM instructions; pipeline: realization, advantages and risks; exceptions: origin and management; interrupt: vettors and priority; memories: organization e addressing; standard model for ARM memory addressing; stack; bus architectures; debug systems and JTAG interface; ARM7TDMI organization with ARM9TDMI comparison;
LPC2000 (NXP) microcontrollers: system memory; VIC PL190; system controller; pin mapping and configuration; input/output ports; ADC; Timer; Flash memory; Embedded ICE.
Peripherals: A/D and D/A conversion; communication standards; the HD44780 LCD-controller.
Software: developing system; proprietary and open-source IDE; Eclipse; Make file, glue code, new project creation; software design; basic code, finite state machine, function and libraries, macro; interrupt vectors, priority, deadlock, priority inversion; interrupt management; debug: registers control, variables, stack; step-by-step execution; breadboarding.
Practical experiments: compile, upload, debug; prototype realization. Experiments on: LED driving; keyboard interfacing; voltage acquisition via an ADC; timer usage; PWM control; temperature sensor or transducer reading; LCD interface; programmable RTC; a simple clock; a chronothermostat.

Testi di riferimento:
Furber, “ARM, system-on-chip architecture”, second edition, Addison Wesley, 2000
Salvatori, “Introduzione alla progettazione con gli LPC2000”, Aracne editrice, 2011
NXP Semiconductors, “UM10161 LPC2101/02/03 User Manual”, www.nxp.com
NXP Semiconductors, “LPC2101/02/03 datasheet”, www.nxp.com
Martin, “The insider’s guide to the NXP ARM7-based microcontrollers”, www.hitex.co.uk
ARM Limited, “ARM7TDMI-S Technical Reference Manual”, r4p3, infocenter.arm.com