ARMProcesorové 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)

ARM7TDMI-S

NXPLPC2148

LPC2148 development board

Development board schematic

ARM CortexR

TI MSP430Texas 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