ARM Procesorové jadrá a procesory architektúry

 The ARM is a 32-bit reduced instruction set computer (RISC) instruction set architecture (ISA) developed by ARM Holdings.  It was known as the Advanced RISC Machine. ARM

Licencable architecture  Companies that are currently or formerly ARM licensees include  Alcatel, Apple Inc., Atmel, Broadcom, Cirrus Logic, Digital Equipment Corporation, Freescale, Intel (through DEC), LG, Marvell Technology Group, NEC, NVIDIA, NXP (previously Philips), Oki, Qualcomm, Samsung, Sharp, ST Microelectronics, Symbios Logic, Texas Instruments, VLSI Technology, Yamaha and ZiiLABS

ARM 7 applications

ARM9 applications

ARM11 applications

ARM CortexM applications Dell E4300 Latitude Laptop instant boot-up for users and access to select applications, with multi-day battery lifetimes

ARM CortexA applications

ARM CortexR

Architectures overview

ARM7 (ARM7-TDMI-S)

ARM7 TDMI-S NXP LPC2148

LPC2148 development board

Development board schematic

ARM CortexR

TI MSP430 Texas Instruments

MSP430  Mixed-signal microcontroller family  16-bit CPU  Low cost, low power consumption  Metering, wireless radio frequency engineering (RF), battery-powered applications  MSP430x1xx - MSP430x5xx Series

MSP430 Architecture  Von Neumann architecture  16 x 16bit registers (including PC, SP, SR, constant generator)  Simple instruction set  20bit address extension

Peripherals  General-puropose I/O  Analog-to-Digital Converter  Brown Out Reset  Comparator A, A+  Digital-to-Analog Converter  Timers  Direct Memory Access Controller  ESP430 (integrated in FE42xx devices)  LCD/LCD_A/LCD_B  Op Amps  Hardware multiplier

Programmable hardware in microcomputer systems

Programmable hardware  Various sizes, technologies  Customized hardware architectures  Effective computing  Customizable systems  Backward compatibility insurance  Reconfigurable systems  Fault recovery / remote repair

Embedded architectures  Main module Specialized architecture Soft-core processor + peripherals  Coprocessor / Additional device Serial bus System bus External communication interface GPIO

Soft-core processors  TSK3000A, MicroBlaze, Nios II, OpenRISC...  Customizable, selectable features  Suited for programmable chip imlementations  Various possibilities of use – worth discussion