Development (Evaluation) Board Diolan LPC4357-DB1-A

Detailed Description

It contains the LPC4357-FET256 dual-core controller, USB, Ethernet and JTAG connectors, 4 push buttons + 4 LEDs, 16MBit external NOR flash. LPC4357-DB1-B and LPC4357-DB1-C evaluation boards also carry the external 64 Mbit SDRAM.

In addition to all the LPC4357-DB1 demoboard components LPC4357-DB1-A evaluation board contains assembled connectors and plastic legs. You can use the side connectors to connect wide range of compatible extension boards (see below).

The LPC4357-DB1-A modification of development board suites for software engineers, who need to evaluate the extended functionality of LPC4357-FET256 dual-core (Cortex-M4 + Cortex-M0) micro-controller, but don't want to bother with soldering.

The LPC4357-FET256 microcontoller is a first dual-core processor with Cortex-M4 DSP and Cortex-M0 co-processor. It contains 136 kB of internal SRAM and can operate at CPU frequencies of up to 204 MHz.

The LPC4357-DB1-A evaluation board can be connected to a wide range of extension boards. These boards extends the LPC4357-DB1 peripheral with Touch Screen LCD, RS-232, RS-485 and CAN bus, HDMI interface, etc.

• LPC4357-FET256 dual-core ARM Cortex-M4 digital signal controller with Cortex-M0 co-processor;
• 1 MB dual-bank flash.
• 136 kB of internal SRAM.
• ARM Standard JTAG/SWD connector (2×10-pin 0.1 inch (2.54mm));
• 16MBit NOR flash (S29AL016J70TFI01);
• 4 user configured buttons, RESET button and 4 LEDs;
• USB High-speed connector (Mini-USB Type B);
• 10/100MBit Ethernet interface (PHY and connector);
• RoHS Compliant.

The LPC43xx dual-core microcontroller features high speed USB (with on-chip PHY), a large internal SRAM, new innovative peripherals like the State Configurable Timer, the signal processing performance of ARM's Cortex-M4 core with Floating Point Unit and Cortex-M0 coprocessor.

LPC43xx key features:

• ARM Cortex-M4 - DSP (Digital Signal Processor) with Floating Point Unit, 204MHz, 32-bit.
• ARM Cortex-M0 - asymmetrical coprocessor, 204MHz, 32-bit
• Dual-bank flash memories up to 1MB (internal flash memory is not available at LPC4350 microcontroller).
• On-chip SRAM up to 264KB
• New innovative peripherals - SPI Flash Interface, State Configurable Timer (SCT), and Serial GPIO, etc.
• 2× High Speed USB - one (with on-chip High Speed PHY) is connected to the Mini USB connector at LPC4350-DB1 evaluation board
• Memory Protection Unit (MPU)

LPC4357-DB1-A Development Board Components

The LPC4357-DB1-A development board contains most of the extensively used components. Its peripheral support can be easily extended by the LPC4357-DB1-A PCB soldering options and wide range of extension boards.

The LPC4357-DB1-A evaluation board hardware components are:

• LPC4357FET256 - dual-core ARM Cortex-M4 DSP controller with Cortex-M0 coprocessor.
• USB 2.0 High-speed interface - with mini USB type-B connector.
• 10/100MBit Ethernet interface - LPC4357-DB1 evaluation board contains assembled external PHY and connector.
• ARM Standard JTAG/SWD connector - 20-pin 2.54mm (0.1 inch)
• External NOR flash - 16MB Spansion S29AL016J70TFI01
• 4 user push-buttons + reset button
• 5 user controlled LEDs - 4 green LEDs + 1 red LED
• Boot select jumpers

LPC4357-DB1-A PCB Soldering Options

LPC4350-DB1-A evaluation board can be extended by soldering the following components:

• External SDRAM - we have tested the board with Micron MT48LC4M32B2-7 Synchronous DRAM.
• Real-Time Clock (RTC) - there are placeholder for RTC crystal and connection points for external power supply.
• Cortex Debug Connector - the small and low cost 10-pin 1.27mm (0.05 inch) connector can be assembled to access SWD, SWV, and JTAG signals available on Cortex-M4 and Cortex-M0 processors.
• Cortex Debug + ETM Connector - this small 20-pin 1.27mm (0.05 inch) connector can be assembled to access SWD, SWV, JTAG, and ETM (4-bit) signals available on Cortex-M4 and Cortex-M0 processors.

The LPC-4357-DB1-A Development Board can be used with the wide range of extension boards:

• Touch Screen LCD extension board;
• Memory extension board;
• I2S+DAC extension board;
• ADC extension board;
• CARD extension board;
• HDMI extension board;
• PWM extension board;
• RS & CAN extension board.

LPC4357-DB1-A Schematic Diagram

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Other Names:

LPC4357DB1A, LPC4357 DB1 A