Embest EM-LPC2478B (P47B)

NXP LPC2478 ARM7S Board without LCD Panel

LPC2478 evaluation board is based on ARM7TDMI-S Core, running at up to 72MHz, with 512KB internal flash memory and 98KB SRAM, together with comprehensive external memory: 128MB NandFlash, 32MB SDRAM, 2MB NorFlash and 512KB external SRAM (optional). The board features: two RS232 interfaces, USB HOST and OTG circuit, I2S interface circuit, I2C memory circuit, TFT LCD interface, CAN, SD/MMC, 10/100MB Ethernet, JTAG debug interface, etc.

• Source code of web server (httpd protocol ported).
• Support TFT(5:6:5)LCD interface, with Buffer driver.
• Plenty of software examples.

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Overview

The LPC2478 is an ARM microcontroller core based evaluation board produced by Embest, operating at 72MHz, with up to 512KB on-chip flash memory and 98KB on-chip SRAM. The board provides a wide range of functional devices like: Ethernet, USB host and USB OTG circuit, SD/MMC interface, LCD, UART, I2C, CAN, I2S, ADC/DAC circuit, which is especially suitable for the development of industrial control, communication, automation, medical appliance. The LPC2400 platform is compatible with LPC2460, LPC2470, LPC2468, LPC2478, etc. The comprehensive software examples and resources we provide for this board will help you quickly start your project development and personal study.

Hardware Specifications

CPU
   LPC2478( NXP ), ARM7TDMI-S, the frequency is up to 72MHz.
Internal Memory
   512KB on-chip flash memory, 98KB on-chip SRAM.
External Memory
   64MB Nand Flash, 32MB SDRAM, 2MB Nor RAM, 512KB external SRAM(optional), 16MB SPI Flash Memory(optional).
Serial Port
   Two RS232 interfaces, the serial port 0 includes automatic ISP circuit.
USB 
   USB2.0 standard, with status indicator light, one USB HOST interface, one USB OTG interface.
LCD
   Support TFT(5:6:5)LCD interface, with Buffer chip driver;
   Support 1602 character LCD(suited for LPC2468 evaluation board)
CAN
   Support two-channel CAN bus
SD/MMC
   One SD/MMC interface
Audio Interface
   Use audio decoding chip HT28V31, be able to play music directly
Ethernet interface
   PHY chip using the DP83848 of American National Semiconductor, three LED connecting indicator light
Reset Circuit
   One reset button, use special reset chip to reset, stable and reliable.
Debug and Download Interface
   One 20 pin Multi-ICE standard JTAG interface, support variable JTAG emulators debug online.
Power Interface
   5V DC power input with power status indicator light
Other
   Three small buttons, eight highlight LED, one buzzer;
   Lead out all the external bus, convenient for customers to expand.

Block Diagram

The hardware block diagram displays the input, configuration, power system, and User I/O on the board. This visual presentation helps you to understand the LPC2478 board components.

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Documentations

There are plenty documentation and material of Embest products, such as user's manual, schematic of the board, development guideline and most of the major chips' datasheet, convenient to find them in the accompanied CDROM.

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PACKING LIST