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參數(shù)資料
| 型號： | LPC2220 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 16/32-bit ARM microcontrollers; flashless with 64 kB, with 10-bit ADC and external memory interface |
| 中文描述： | 16/32位 ARM微控制器；64KB的閃存；10位模數(shù)轉(zhuǎn)換和外部存儲器接口 |
| 文件頁數(shù)： | 14/49頁 |
| 文件大?。?/td> | 255K |
| 代理商： | LPC2220 |
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9397 750 14061
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 02— 30 May 2005
14 of 49
Philips Semiconductors
LPC2210/2220
16/32-bit ARM microcontrollers with external memory interface
6.
Functional description
6.1 Architectural overview
The ARM7TDMI-S is a general purpose 32-bit microprocessor, which offers high
performance and very low power consumption. The ARM architecture is based on
Reduced Instruction Set Computer (RISC) principles, and the instruction set and related
decode mechanism are much simpler than those of microprogrammed Complex
Instruction Set Computers. This simplicity results in a high instruction throughput and
impressive real-time interrupt response from a small and cost-effective processor core.
Pipeline techniques are employed so that all parts of the processing and memory systems
can operate continuously. Typically, while one instruction is being executed, its successor
is being decoded, and a third instruction is being fetched from memory.
The ARM7TDMI-S processor also employs a unique architectural strategy known as
Thumb, which makes it ideally suited to high-volume applications with memory
restrictions, or applications where code density is an issue.
The key idea behind Thumb is that of a super-reduced instruction set. Essentially, the
ARM7TDMI-S processor has two instruction sets:
The standard 32-bit ARM set.
A 16-bit Thumb set.
The Thumb set’s 16-bit instruction length allows it to approach twice the density of
standard ARM code while retaining most of the ARM’s performance advantage over a
traditional 16-bit processor using 16-bit registers. This is possible because Thumb code
operates on the same 32-bit register set as ARM code.
Thumb code is able to provide up to 65 % of the code size of ARM, and 160 % of the
performance of an equivalent ARM processor connected to a 16-bit memory system.
6.2 On-chip static RAM
On-chip static RAM may be used for code and/or data storage. The SRAM may be
accessed as 8-bits, 16-bits, and 32-bits. The LPC2210/2220 provides 16 kB of static RAM
and the LPC2220 provides 64 kB of static RAM.
6.3 Memory map
The LPC2210/2220 memory maps incorporate several distinct regions, as shown in the
following figures.
In addition, the CPU interrupt vectors may be re-mapped to allow them to reside in either
on-chip boot-loader, external memory BANK0 or on-chip static RAM. This is described in
Section 6.20 “System control”
.
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相關(guān)代理商/技術(shù)參數(shù) |
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| LPC2220FBD144 | 制造商:NXP Semiconductors 功能描述:IC 16/32BIT ARM7 MCU 64K RAM SMD 制造商:NXP Semiconductors 功能描述:IC, 16/32BIT ARM7 MCU, 64K RAM, SMD 制造商:NXP Semiconductors 功能描述:IC, 16/32BIT ARM7 MCU, 64K RAM, SMD; Controller Family/Series:LPC22xx; Core Size:32bit; No. of I/O's:76; Supply Voltage Min:1.65V; Supply Voltage Max:1.95V; Digital IC Case Style:LQFP; No. of Pins:144; RAM Memory Size:64KB; CPU ;RoHS Compliant: Yes |
| LPC2220FBD144,551 | 功能描述:ARM微控制器 - MCU ARM7 64KR/ADC/EX BUS ROMLESS RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:72 MHz 程序存儲器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT |
| LPC2220FBD144,551-CUT TAPE | 制造商:NXP 功能描述:LPC2220 Series 16 kB 60 MHz 16/32-Bit Flashless ARM Microcontroller - LQFP-144 |
| LPC2220FBD144551 | 制造商:NXP Semiconductors 功能描述:IC 16/32BIT MCU ARM7 SMD LPC2220 制造商:NXP Semiconductors 功能描述:IC 32BIT MCU 75MHZ LQFP-144 |
| LPC2220FBD144-S | 制造商:NXP Semiconductors 功能描述:MCU 16-bit/32-bit LPC2000 ARM7TDMI-S RISC ROMLess 1.8V/3.3V 144-Pin LQFP Tray |
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