Based on 32-bitARMCortex-M4/M0 Dual Core MicrocontrollerLPC4357FET256，running at frequencies of up to 204MHz
CPU Internal 1024Kbytes of Flash, 136 Kbytes of SRAM and 16 Kbytes of EEPROM
On board 128MB Nand Flash、32MB SDRAM，4MB SPI Flash（reserved）、2Kb EEPROM
4.3inch (Resolution: 480x272) TFT LCD touch screen
Follow EMC、FCC、3C design standard，performance and index meet related standards
Fruitful expansion communication interfaces：
3 x 3 line serial port ,RS232 voltage
One USB2.0 HS Deriver port ,one USB2.0 FS Host port
One Micro SD card interface
One 10/100Mbps Ethernet port
One RS485 port，one CAN 2.0B ports，one SPI bus
Two input and two output I/O interfaces implemented with isolated by optocouplers
Support FatFs_vR0.08a file system（for SD card）
Support uC/OS-II_v2.91 OS & emWin5.18 graphical interfaces
Support LwIP_v1.4.0 protocol stack
Support SPI to serial port module( up to 4 serial ports）
Support 1.3 mega pixel OV9655 Camera module（SGPIO interface）
NXP LPC4357FET256/LPC1857FET256
Integrating hardware a floating-point unit
Integrating a 1024KB Flash, a136 KB SRAM and a 16KB EEPROM
Integrating a LCD controller with support of 24bpp true-color mode and a resolution of up to 1024×768
An USB 2.0 high-speed Host/Device/OTG interface with on-chip PHY and support of DMA transmission
An USB 2.0 high-speed Host/Device interface with on-chip PHY and ULPI which support external high-speed PHY
A 10/100 Mbits Ethernet MAC MII/RMII interface
A four-wire SPI flash interface (SPIFI) with data transfer rate of up to 40Mbps per channel
Two CAN 2.0B, four UART, two I2S, two I2C, two SSP, one SPI buses
Four 32-bit general purpose timer, two standard PWM, one motor control PWM with Quadrature encoder interface
400KHz two 10-bit ADCs operating at up to 400KHz, one 10-bit DAC operating at up to 400KHz
Serial GPIO interface (SGPIO)
164 general-purpose I/O interfaces
Two watchdog timers
128MB NandFlash
32MB SDRAM
2Kb EEPROM
4Mb SPI Flash (spare solder pads)
Three serial interface implemented with phoenix connectors
oUART0: 3-wire serial interface, RS232 level
oUART2: 3-wire serial interface, RS232 level
oUART3: 3-wire serial interface, RS232 level
One RS485 interface implemented with phoenix connectors
one CAN2.0B interfaces implemented with phoenix connectors
Two USB interfaces
oUSB2.0 Device×1, High-speed, 480Mbps
oUSB2.0 Host×1, Full-speed, 12Mbps
One 10/100Mbps Ethernet interface
One TF card slot
One 20-pin standard JTAG debug interface
Two input and two output I/O interfaces implemented with phoenix connectors and isolated by optocouplers
One SPIFI interface
One high-precision RTC (no battery by default)
Spare interface for external hardware watchdog
4.3-inch (480x272) TFT LCD, 16bit RGB565 mode, supporting 4-wire resistive touch-screen
One ISP button
One buzzer
Electrical Features
Operating Temperature: 0 ℃ ~ 70 ℃
Storage Temperature: -40 ℃ ~ 85 ℃
Operating Humidity: 0% ~ 90% (Non-condensing)
Power Supply: DC 9~24V, 150~400mA@12V
Electrical Standards: CE, FCC and CCC
PCB Layers: 4-layer PCB
On-board interfaces
System block diagram
Table 1 Legend of Block Diagram
Hardware dimensions
Supporting uC/OS-II_v2.91 operating system
Supporting emWin5.18 graphic interface
Supporting FatFs_vR0.08afilesystem
Supporting LWIP _v1.4.0 protocol stack
IAR EWARM Integrated Development Environment
oAll the drivers can work with IAR EWARM V6.40 or higher;
Keil MDK-ARM Integrated Development Environment
All the drivers and applications can work with Keil MDK-ARM V4.60 or higher.
ULINK2
ULINK2 is recommended to be used under Keil MDK-ARM for best debugging performance;
JLINK-V9.1
JLINK-V9.1 is recommended to be used under IAR EWARM for best debugging performance
Basic peripheral driver examples;
BSP example applications based on uC/OS-II_v2.91 real-time operating system
BSP example applications based on emWin5.18 (GUI)
Example applications of OV9655 Camera implemented through SGPIO