LPC4357JBD208E - 32-Bit Cortex-M4/M0 MCU | NXP | Industrial Control
MPN: LPC4357JBD208E ✓ Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
LPC4357JBD208E Overview
A microcontroller is an integrated circuit containing a processor core, memory, and peripherals on one die. The LPC4357JBD208E belongs to the Arm Cortex-M4/M0 MCU family, combining a high-performance Cortex-M4 processor with an energy-efficient Cortex-M0 coprocessor. This architecture allows one device to handle control tasks, communications, and real-time workloads while keeping software development within the Arm ecosystem.
Key features include up to 1 MB of embedded flash, 136 kB of on-chip SRAM, 16 kB of EEPROM, a quad SPI Flash Interface, Ethernet, two high-speed USB ports, LCD functionality, the State Configurable Timer, and Serial General Purpose I/O. The Cortex-M0 coprocessor is upward code- and tool-compatible with the Cortex-M4 core and is designed to reduce code size when replacing traditional 8-bit and 16-bit designs.
The dual-core Arm architecture supports flexible partitioning between application processing and low-power or peripheral-control tasks. The device is supplied in a 208-pin LQFP package for surface-mount PCB assembly. Its extensive peripheral set can reduce the need for external interface components in embedded systems that require USB, Ethernet, display control, or multiple timer functions.
Typical uses include industrial control equipment, USB-connected embedded systems, Ethernet-connected controllers, human-machine interfaces, communications equipment, and consumer products. Designers should confirm the exact peripheral pin mapping, clock configuration, power requirements, memory organization, and software support from the official NXP datasheet before layout or firmware development.
A key design consideration is that this is a complex mixed-signal embedded controller. Decoupling, clock routing, high-speed USB and Ethernet signal integrity, exposed-pad or thermal management requirements, and correct startup configuration must be planned early in the PCB design process.
This page combines verified manufacturer and distributor information with practical engineering guidance. It distinguishes confirmed LPC4357JBD208E attributes from unavailable details and focuses on helping engineers evaluate the MCU for real embedded designs rather than repeating generic catalog information.
Drop-in alternatives for LPC4357JBD208E — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with LPC4357JBD208E (same form factor and footprint) — differing in Package, Ethernet, Core Architecture, Supply Voltage, SRAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
LPC4357JBD208K
✅ Drop-In✓ In Stock
$12.85 / Unit
View Datasheet →LPC4357FET256
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$9.5 / Unit
View Datasheet →LPC4330FET256
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$9.85 / Unit
View Datasheet →LPC4078FET208
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$8.05 / Unit
View Datasheet →LPC1833JBD144E
✅ Drop-In✓ In Stock
$9.28 / Unit
View Datasheet →LPC4357JBD208E Maximum Ratings & Electrical Characteristics
| Product Type | 32-bit Arm Cortex-M4/M0 microcontroller |
| Main Processor Core | Arm Cortex-M4 |
| Coprocessor Core | Arm Cortex-M0 |
| Maximum Flash Memory | 1 MB |
| SRAM | 136 kB |
| EEPROM | 16 kB |
| Supply Voltage | 3.3 V |
| Package | 208-pin LQFP |
| Mounting Type | Surface mount |
| Ethernet | Supported |
| USB Interfaces | 2 high-speed USB interfaces |
| LCD Support | Supported |
| External Memory Interface | Quad SPI Flash Interface (SPIFI) |
| Configurable Timer | State Configurable Timer (SCT) |
| Serial GPIO | Serial General Purpose I/O (SGPIO) |
| Architecture | 32-bit RISC |
| Product Series | LPC4300 |
| Ordering Package Suffix | Tray |
LPC4357JBD208E tray Pin Configuration Guide
Pin configuration for LPC4357JBD208E (tray package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for LPC4357JBD208E.
Refer to the datasheet for full pin configuration.
Typical Applications
LPC4357JBD208E is suitable for 6 applications: Industrial Control and Automation, Ethernet-Connected Embedded Equipment, USB-Conditioned Data Acquisition, Human-Machine Interfaces and Displays, Communications and Protocol Gateways, Dual-Core Embedded Control Platforms.
Industrial Control and Automation
The LPC4357JBD208E fits industrial controllers that need more than basic GPIO and timers. Its Arm Cortex-M4 core supports control tasks, while the Cortex-M0 coprocessor can handle suitable peripheral or monitoring work. Ethernet provides a path for supervisory communication, and the SCT, SGPIO, USB, and LCD-related resources reduce the need for separate interface devices. Designers should verify the exact peripheral pin mapping, electrical limits, operating temperature, and safety requirements before selecting it for a production machine controller.
Recommended
Ethernet-Connected Embedded Equipment
The LPC4357JBD208E is appropriate for embedded equipment requiring Ethernet connectivity alongside substantial local processing. The Cortex-M4/M0 architecture can support network management, control logic, and auxiliary tasks, while the integrated Ethernet capability simplifies the system-level design. A practical implementation still requires a suitable Ethernet PHY, magnetic interface or board-level network solution, connector, controlled-impedance routing, and firmware for the selected Ethernet stack. Confirm the exact NXP peripheral configuration and pin multiplexing in the datasheet.
Recommended
USB-Conditioned Data Acquisition
For USB-connected measurement and data-acquisition products, the LPC4357JBD208E provides two high-speed USB interfaces alongside a 32-bit Cortex-M4/M0 processing architecture. The MCU can coordinate sensor acquisition, local buffering, configuration, and host communication. USB signal integrity, connector mechanics, power supply sequencing, and firmware stack support are as important as the nominal peripheral capability. The verified data confirms USB support but does not specify the exact USB mode, current rating, or electrical characteristics, so those details must be checked in the official datasheet.
Recommended
Human-Machine Interfaces and Displays
The LPC4357JBD208E can serve as the main controller for human-machine interfaces because it combines Cortex-M4 processing, configurable timers, SGPIO, USB, and LCD support. These resources can support display updates, keypad or touch input, status indication, and communications with a host or service interface. The specific LCD controller and external display interface requirements should be checked against the exact LPC4357 variant, and PCB routing must account for display connector, grounding, and any high-speed interface constraints.
Recommended
Communications and Protocol Gateways
The LPC4357JBD208E is well suited to protocol gateways that need flexible serial communications, Ethernet, USB, and configurable timing. The Cortex-M4 core can run higher-level protocol tasks, while the Cortex-M0 coprocessor can support suitable real-time or low-power control functions. The SGPIO and State Configurable Timer peripherals add flexibility for data movement and event timing. Designers should select external transceivers and connectors based on the required voltage, distance, isolation, and isolation-barrier requirements, none of which are defined in the supplied data.
Recommended
Dual-Core Embedded Control Platforms
The LPC4357JBD208E is useful when a design wants to separate application processing from auxiliary control work across Arm Cortex-M4 and Cortex-M0 cores. The main core can manage application logic and communications, while the coprocessor can handle suitable interrupt-driven or peripheral-oriented tasks, subject to the device's documented resource allocation. This architecture can simplify migration from 8-bit or 16-bit designs and reduce the need for a separate controller. Firmware partitioning, shared-memory behavior, interrupt ownership, and debugging support must be designed according to the NXP user manual.
Recommended
Recommended Products Summary
Engineering reference data for LPC4357JBD208E — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | LPC4357JBD208K | LPC4357FET256 | LPC4330FET256 | LPC4078FET208 | LPC1833JBD144E |
|---|---|---|---|---|---|---|
| Package | 208-pin LQFP | 208-pin LQFP | 256-pin package | 256-pin package | 208-pin package | 144-pin LQFP |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Main CPU Core | Arm Cortex-M4 | Arm Cortex-M4 | Arm Cortex-M4 | Arm Cortex-M4 | Arm Cortex-M3 | Arm Cortex-M3 |
| Coprocessor Core | Arm Cortex-M0 | Arm Cortex-M0 | Arm Cortex-M0 | Arm Cortex-M0 | Not specified in verified data | Not specified in verified data |
Key Differentiators
- Direct same-silicon procurement alternate (vs LPC4357JBD208K)
- Cortex-M4/M0 dual-core positioning (vs LPC4078FET208)
- Connectivity and memory combination (vs LPC1833JBD144E)
Design Notes
Plan the 3.3 V power architecture before placing the MCU. Decoupling values, supply current, internal core-voltage requirements, power sequencing, and the behavior of unused supply pins must be taken from the official NXP hardware documentation. Provide local bulk capacitance and short, low-impedance supply paths, and verify the selected regulator can supply the processor plus Ethernet, USB, external memory, and attached peripherals under worst-case activity.
Treat the 208-pin LQFP as a fine-pitch, high-pin-count assembly and reserve adequate component clearance on all sides. Follow the manufacturer footprint, solder-mask, paste, and courtyard recommendations exactly. Because the verified data does not include pin functions or package dimensions, do not finalize the schematic-to-PCB mapping or pin numbering until the official pinout and mechanical drawing have been obtained.
Ethernet and high-speed USB interfaces require deliberate layout planning. Keep clock and high-speed differential routes short, use a continuous reference plane, control impedance according to the board stack-up, avoid unnecessary stubs, and place termination, protection, and connector-related components near the relevant pins or connector. Validate the final layout with simulation and, where possible, oscilloscope or compliance testing.
Do not substitute the LPC4357JBD208K based only on the suffix. The verified NXP Community statement confirms same-silicon interchangeability, but production procurement should still check package markings, temperature grade, authorized distribution, lifecycle status, and firmware support. Likewise, LPC4357FET256 and LPC4330FET256 are not 208-pin equivalents despite belonging to related product families; changing those packages requires a PCB and firmware review.
Compliance Information
The verified web data does not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. Obtain current declarations from NXP or the authorized distributor before using the device in regulated or automotive designs.
