Procesorové jadrá a procesory architektúry ARM

ARM 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.

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

Texas Instruments TI MSP430

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 