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Overview:


 

Embest Mini3250 CPU Module is designed as a compact, stable, and reliable ARM-based embedded controller board. It is ready to be the core of your new product. Measuring only 75mm by 55mm, however it has integrated one LCD connector, one TF card socket and one USB 2.0 OTG port on board, which helps to speed up your development sharply.


The Mini3250 CPU Module is based on NXP's 32-bit LPC3250 ARM926EJ-S core microcontroller which is amongst LPC3000 series, the only ARM9 microcontroller that provides a vector floating-point co-processor. The LPC3000 series is able to run in ultra-low-power mode even down to 0.9V, as well as the lowest power consumption. The LPC3000 series owns abundant peripheral resource; one of the most distinguishing features is to provide 7 UART controllers, which is rare in ARM microprocessors. With such outstanding performance, the Mini3250 CPU Module is perfect to be employed in Industrial field, Medical Equipment, Intelligent Instrument, Consumer Electronics, Communication Product, and etc.


Due to the same footprint of LPC3000 series, Embest Mini3250 CPU Module CPU is able to compatible with LPC3220, LPC3230 and LPC3240. It enables customers to choose the most appropriate product on their demand.


The Mini3250 CPU Module can be mounted directly onto the expansion board of Embest DevKit3250. The whole integrated design has exposed many of LPC3250's features and allows a flexible way of updating Mini3250's capabilities.

 

 Mini3250 CPU Module


 Onboard Interfaces and Connectors:

Mini3250 CPU Module

 System block diagram:

Mini3250 CPU Module


Hardware Features:


  Processor/Memory:

  • NXP LPC3250 ARM926EJ-S Core microprocessor (compatible with NXP LPC3220/LPC3230/LPC3240 processors)

     - with a 32 KB instruction cache and a 32 KB data cache

     - with up to 256 KB of internal SRAM

     - can work at up to 266MHz

  • Vector Floating Point (VFP) co-processor

  • 64Mbyte SDRAM

  • 128Mbyte Nand Flash

    4Mbyte Nor Flash

    LPC32x0 Family:

Mini3250 CPU Module

  I/Os/Interfaces:

  • One 40-pin LCD interface (with touch screen interface)

  • One TF card socket

  • One USB OTG 2.0 connector, mini-B type, with ESD protection

  • 32768Hz RTC

  • Watchdog timer, supported with the microprocessor

  • One power indicator

  • One programmable LED

  • One JTAG port on the rear of the board

  • Two 2.0mm pitch 3-line 27-pin connectors (7 UARTs, Ethernet and all IOs are led out via the two connectors.)

 

  Electrical Features:

  • Dimensions: 75mm x 55mm

  • Temperature: 0 to +70 Celsius


Software Features:


OS

Item

Feature

Description

Linux

Bootloader
(u-boot)

Boot

Start up system

Tftp

Support tftp transmitting protocol

File system

Support writing JFFS2/Yaffs file system image into nand flash

Kernel

Support writing kernel image into nand flash

Kernel Parameter

Support kernel parameter setting

Kernel

Version

Linux kernel 2.6.27

File system

EXT2/FAT/NFS/JFFS2/Yaffs

RTC

(Provide source code)

USB OTG

(Provide source code)

LEDs

(Provide source code)

LCD

Support 480x272, 800x480

Touch panel

(Provide source code)

Embedded GUI

Qt/Embedded

(Provide source code and image)

Network protocol
& application

TCP/IP

TCP/IP protocol

File transfer

(FTP Client/server)

Remote login

Telnet protocol

Web server

boa web server


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