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