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參數(shù)資料
| 型號： | LPC2194 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Single-chip 16/32-bit microcontrollers 256 kB ISP/IAP Flash with 10-bit ADC and CAN |
| 中文描述： | 單片16/32位微控制器，256 KB的ISP / IAP閃存的10位ADC和CAN |
| 文件頁數(shù)： | 9/33頁 |
| 文件大?。?/td> | 158K |
| 代理商： | LPC2194 |
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Philips Semiconductors
LPC2194
Single-chip 16/32-bit microcontrollers
Preliminary data
Rev. 01 — 06 February 2004
9 of 33
9397 750 12757
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
6.
Functional description
Details of the LPC2194 systems and peripheral functions are described in the
following sections.
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 Flash program memory
The LPC2194 incorporates a 256 kB Flash memory system. This memory may be
used for both code and data storage. Programming of the Flash memory may be
accomplished in several ways. It may be programmed In System via the serial port.
The application program may also erase and/or program the Flash while the
application is running, allowing a great degree of flexibility for data storage field
firmware upgrades, etc. When on-chip bootloader is used, 248 kB of Flash memory is
available for user code.
6.3 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 LPC2194 provides 16 kB of static RAM.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LPC2194HBD64 | 制造商:NXP Semiconductors 功能描述:MCU 32BIT ARM7 256K FLASH LQFP64 |
| LPC2194HBD64,151 | 功能描述:ARM微控制器 - MCU PREF PART LPC2194HBD64/01-S 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(shí)鐘頻率:72 MHz 程序存儲(chǔ)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 |
| LPC2194HBD64/00 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Single-chip 16/32-bit microcontroller; 256 kB ISP/IAP flash with 10-bit ADC and CAN |
| LPC2194HBD64/01 | 制造商:NXP Semiconductors 功能描述:MCU, 16BIT/32BIT, 60MHZ, LQFP-64 制造商:NXP Semiconductors 功能描述:MCU, 16BIT/32BIT, 60MHZ, LQFP-64, Controller Family/Series:LPC2100, Core Size:16 制造商:NXP Semiconductors 功能描述:MCU, 16BIT/32BIT, 60MHZ, LQFP-64, Controller Family/Series:LPC2100, Core Size:16bit / 32bit, No. of I/O's:46, Supply Voltage Min:1.65V, Supply Voltage Max:1.95V, Digital IC Case Style:LQFP, No. of Pins:64, Program Memory Size:256KB, |
| LPC2194HBD64/01,15 | 功能描述:ARM微控制器 - MCU ARM7 256KF/16KR/CAN 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(shí)鐘頻率:72 MHz 程序存儲(chǔ)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 |
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