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          Products >  Discontinued Products >  MYD-LPC435X (NXP LPC435x) > MYD-LPC435X Development Board
MYD-LPC435X Development Board

MYD-LPC435X Development Board

- 204MHz NXP LPC4357, LPC4350 ARM Cortex-M4/M0 Dual-core Processors
- 32MB SDRAM, 2MB Nor Flash, 4MB SPI Data Flash
- UARTs, USB, Ethernet, CAN, RS485, TF, Audio, LCD, JTAG
- Complete MDK-ARM Sample Codes
- Optional 4.3" or 7.0" LCD/TSP

MYD-LPC435X series development boards are designed based on NXP LPC4350 and LPC4357 ARM Cotex-M4 and Cortex-M0 asymmetrical dual-core processors which bring the advantage of developing DSP and MCU applications within a single architecture and development environment and can work at up to 204MHz. The MYD-LPC435X board takes full features of the two NXP ARM processors and has rich peripherals including 3 UARTs, USB Host, OTG, Ethernet, 2 CAN interfaces, RS485, LCD, Audio, etc. It has 32MB SDRAM, 2MB Nor Flash and 4MB Data Flash as well as one Micro SD card slot to enhance storage capabilities.

The MYD-LPC435X board may carry one of the two processors (NXP LPC4350 and LPC4357) as to make corresponding models:

MYD-LPC4350 Development Board (based on NXP LPC4350)
MYD-LPC4357 Development Board (based on NXP LPC4357)

The MYD-LPC435X board comes with plenty of Keil MDK-ARM source code and detailed document as well as some necessary cable accessories to help users evaluate, learning and make prototype based on NXP LPC4350 or LPC4357 ARM Cortex-M4 processor at a fast period. The board enables customers to develop a wide range of applications such as motor control, power management, industrial automation, robotics, medical, automotive accessories, and embedded audio.

MYD-LPC435X Development Board



  • NXP LPC4350FET256 / LPC4357FET256
    204 MHz, 32-bit ARM Cortex-M4 processor
    204 MHz, 32-bit ARM Cortex-M0 asymmetrical coprocessor
    - Up to 1 MB on-chip dual bank flash memory with flash accelerator (only for LPC4357)
    SRAM for code and data use (136 kB for LPC4357, 264 kB for LPC4350)
    - 32 kB
    ROM containing boot code and on-chip software drivers
    32 bit One-Time Programmable (OTP) memory for customer use

Memory and Storages

  • 32MB SDRAM
  • 2MB Nor Flash
  • 4MB SPI Data FLASH
  • 1 x Micro SD card slot

Audio Interface

  • Audio input
  • Stero audio output port

LCD/Touch screen

  • Support 24-bit true color, resolution up to 1024 x 768 pixels
  • 4.3" LCD Module with resolution 480 x 272 pixels
  • 7" LCD Module with resolution 800 x 480 pixels
  • 4-wire resistive touch screen

Data interface

  • 3 x UART (UART0, UART2 and UART3, UART2 need external MAX3232)
  • 1 x Hi-speed USB HOST
  • 1 x Mini USB OTG
  • 1 x Ethernet interface
  • 2 x CAN interface
  • 1 x RS485 (reused with UART1)
  • 20-pin JTAG interface


  • 1 x Power indicator
  • 6 x User LED

Mechanical Parameters

  • Dimensions: 115mm x 90mm
  • PCB layers: 4-layer design
  • Power supply: 5V/2A or USB power supply

Sample Codes

  • Keil MDK-ARM example code

Hareware Specification

Product MYD-LPC4350 MYD-LPC4357
Core ARM Cortex-M4, Cortex-M0 coprocessor, working at 204MHZ
Internal SRAM 264KB 136KB
Internal ROM 32KB 32KB
Internal  OTP 32bit 32bit
Internal FLASH 0 1MB
External memory and Storages
Nor Flash 2MB
SPI Data Flash 4MB
Micro SD card slot 1
Periphery interfaces
Ethernet 1
Serial port (UART0, 3) 2
RS485 (reused with UART1) 1
Interact Modules
Audio input 1
Audio oput 1
User button 4
System button 1
System interface
JTAG interface 1
User extend interface(Please refer to user manual for GPIO reuse setting)
Serial port(UART2) 1
ADC converter 8
DAC converter 1
I2C 2
GPIO Pins 20


Software Features

The MYD-LPC435X Development Board is provided with sample codes bundle for the peripherals using Keil's MDK-ARM to help users evaluate the NXP LPC4350 or LPC4357 ARM Cortex-M3 microcontroller.

Items Name Description
ADC Adc_Burst ADC converting under Burst Mode
Adc_Dma ADC converting via DMA
Adc_Interrup ADC converting under interrupt mode
Adc_Polling ADC converting under polling mode
ATIMER Atimer_Wic Alarm Timer wake up system
BOOTFAST Fast_Gpio_LedBlinky Blinking LED by system working at 204MHZ
CCAN CCan_SimpleTxRx CAN communicationg (Connect CAN0 and CAN1)
Cortex-M4 CortexM4_Bitband Cortex-M4 bit field test
CortexM4_Mpu MPU test
CortexM4_Privilege Switch privilege and non-privilege mode
DUALCORE Int_Demo Communication between M4 and M0
Mbx_Demo Communication between M4 and M0
Queue_Demo Communication between M4 and M0
EMAC Emac_EasyWeb Demonstrate WEB application running
EMC Emc_NorFlash External NorFlash read/write test
Emc_Sdram External SDRAM read/write test
GPDMA Gpdma_Flash2Ram GDMA testing, from FLASH to RAM
Gpdma_LinkList Use GPDMA Link-list
Gpdma_Ram2Ram GPDMA,RAM to RAM
GPIO Gpio_LedBlinky GPIO driver LED blinking
I2C I2c_Master Read/Write UDA1380 via I2C
I2S I2s_Audio Output audio via I2S
LCD Lcd_Demo Display color streak, icon moved by touch
NVIC Nvic_Priorities Configure NVIC priority level test tail-chaining/Late-arriving interrupt mode
Nvic_VectorTableRelocation Vector table relocation
OTP OTP_API OTP downloading test (development board can only boot from running code, SPIFI  boot, please do it by carefully )
PWR Pwr_DeepPowerDown Fall into deep sleep mode and wake up from RTC
Pwr_DeepSleep Fall into deep sleep mode and wake up from WIC
Pwr_PowerDown Wake up by EVRT from power down mode
Pwr_Sleep Wake up by WIC from sleep mode
RIT Rit_Interrupt Driver LED by RIT timer interrupt
RTC Rtc_Alarm Generate 1min and 30s Alarm interrupt
Rtc_Calibration Calibration RTC
SDIO sdio_readwrite SDCard Read/Write test
SPIFI SPIFI_Test Read/Write external SPIFI Flash
SSP Ssp_Master SSP transfer data as host
Ssp_Slave SSP transfer data as slave
TIMER Timer_Capture Timer capture
Timer_FreqMeasure Timer measure frequency
Timer_MatchInterrupt Timer interrupt test
Timer_MatchPolling Timer match Polling
UART Uart_Autobaud UART auto-baud test
Uart_Dma UART data via DMA test
Uart_Interrupt UART interrupt
Uart_Polling UART polling test
Uart_Rs485Master RS485 host test
Uart_Rs485Slave RS485 slave test
USBDEV Usb_Cdc USB simulate COM
Usb_MassStorage Read/Write mass storage memory
USBDEV_ROM Usb_Composite Read/Write USB composite device(Mass Storage, HID,DFU)
Usb_Dfu To be updated
Usb_Hid Writing USB HID device
Usb_MassStorage Writing USB Mass Storage
WDT Wdt_Interrupt Interrupt by WTD by setted time

Relative Download and Links

You can download relative chip datasheet, products datasheet, user manual, software package from below. Any inquiry, please contact MYIR.

1 MYD-LPC435X Development Board Overview 504 KB
2 MYD-LPC435x/185x Schematics 232 KB


MYD-LPC475X Development Board

Price and Ordering


Part No.

Unit Price


MYD-LPC4350 Development Board



Out of Stock

MYD-LPC4357 Development Board



Out of Stock

MY-LCD43TP 4.3 inch LCD Module with touch screen



MY-LCD70TP 7 inch LCD Module with touch screen



Packing List

NO. Item Qty Description
1 MYD-LPC435X board 1pc MYD-LPC4350/MYD-LPC4357
2 Ethernet cable 1pc
3 USB Cable 1pc
4 Serial cable 1pc DB9 to DB9
5 DVD 1pc user manual, schematic in PDF format, datasheet, software package

More FAQ >>

1. Program can not download

Hello, I'm using your MYD-LPC435X board with ULINK2 for development. But now could not find "SPI-Flash LPC18xx@0x8000"drive, can not write spifi flash, can not download program, what's the problem?


About the LPC435X memory address, please refer to the user manual section 3.3 "MDK Configuration and Compilation".

Moreover, please erase the program of the internal flash before downloading program to SPI flash and confirm the SW2 position referring to section 2.4.2 "BOOT Setting".

When you use ULINK2 to download program, please pay attention to the Notes mentioned in section 3.4.2 "Download Program by ULINK2".

2. Add New CPU to DS-5 Device List

How to add new CPU to DS-5 device list?


The document below introduces how to add new CPU to DS-5 device list? We use MYD-LPC4357 development board as the hardware platform for an example.

 Add New CPU to DS-5 Device List

More FAQ >>