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| 型號： | LPC2888 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 16/32-bit ARM microcontrollers; 8 kB cache, up to 1 MB flash, Hi-Speed USB 2.0 device, and SDRAM memory interface |
| 中文描述： | 16/32位ARM微控制器; 8 KB的高速緩存，高達(dá)1 MB閃存，高速USB 2.0設(shè)備，SDRAM存儲器接口 |
| 文件頁數(shù)： | 16/34頁 |
| 文件大小： | 139K |
| 代理商： | LPC2888 |
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LPC2880_LPC2888_1
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Preliminary data sheet
Rev. 01 — 22 June 2006
16 of 34
Philips Semiconductors
LPC2880; LPC2888
16/32-bit ARM microcontrollers with external memory interface
Programming the flash in a running application is accomplished via a register interface on
the APB bus. The flash module can generate an interrupt request when burning or erasing
is completed.
The flash memory contains a buffer to allow for faster execution. Information is read from
the flash 128 bits at a time. The buffer holds this entire amount, which can represent four
32-bit ARM instructions. These captured instructions can them be executed without flash
read delays, improving system performance.
6.4.1
Features
Flash access for processor execution and data read is via the AHB bus.
Flash programming in a running application is via an APB register interface.
Initial programming or reprogramming is can be accomplished from the USB port.
6.5 External memory controller
The LPC2880/LPC2888 External Memory Controller (EMC) is a multi-port memory
controller that supports asynchronous static memory devices such as RAM, ROM and
flash, as well as dynamic memories such as Single Data Rate SDRAM. It complies with
ARM’s AMBA.
6.5.1
Features
Dynamic memory interface support including Single Data Rate SDRAM.
Asynchronous static memory device support including RAM, ROM, and flash, with or
without asynchronous page mode.
Low transaction latency.
Read and write buffers to reduce latency and to improve performance.
8-bit and 16-bit static memory support.
16-bit SDRAM memory support.
Static memory features include:
–
Asynchronous page mode read.
–
Programmable wait states.
–
Bus turnaround delay.
–
Output enable, and write enable delays.
–
Extended wait.
–
2 MB address range with three chip selects.
One chip select for synchronous memory and three chip selects for static memory
devices.
Power-saving modes dynamically control CKE and CLKOUT to SDRAMs.
Dynamic memory self-refresh mode controlled by software.
Controller supports 2 k, 4 k, and 8 k row address synchronous memory parts. That is
typically 512 MB, 256 MB, and 128 MB parts, with 4, 8, or 16 data lines per device.
Note:
Synchronous static memory devices (synchronous burst mode) are not supported.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LPC2888FET180 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:16/32-bit ARM microcontrollers; 8 kB cache, up to 1 MB flash, Hi-Speed USB 2.0 device, and SDRAM memory interface |
| LPC2888FET180,551 | 功能描述:ARM微控制器 - MCU ARM7 1MF/64KR/USBH 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 |
| LPC2888FET180/01 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:16/32-bit ARM microcontrollers; 8 kB cache, up to 1 MB flash, Hi-Speed USB 2.0 device, and SDRAM memory interface |
| LPC2888FET180/01,5 | 功能描述:ARM微控制器 - MCU 16/32 bit micro 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 |
| LPC2888FET180/D,55 | 制造商:NXP Semiconductors 功能描述:PHALPC2888FET180/D.551 32BIT ARM7 HS USB |
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