LPC4320FET100 - 204MHz Dual-Core Cortex-M4/M0 MCU | NXP
MPN: LPC4320FET100 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.7162 | $6.72 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
LPC4320FET100 Overview
An Arm Cortex-M microcontroller is a reduced-instruction-set processor designed for embedded control, where deterministic peripheral access, low power, and compact software support are important. The LPC4320FET100 adds a Cortex-M0 coprocessor to the primary Cortex-M4 core, allowing control tasks and signal-processing workloads to be partitioned across two processing domains. Its architecture belongs to the microcontroller hierarchy: Arm Cortex-M core, embedded processor, microcontroller, and semiconductor.
The main Cortex-M4 core is associated with a maximum 204 MHz clock in the verified distributor data. The dual-core arrangement can improve workload separation, while 200 kB of on-chip SRAM supports buffering and real-time data movement without relying entirely on external memory. Two high-speed USB interfaces, Ethernet, CAN, AES, and SPIFI provide communication and security functions within one device. The listed features make the MCU suitable for connected industrial, communications, audio, and data-acquisition equipment.
The LPC4320FET100 is flashless according to the NXP product-page snippet, so application firmware and boot code require an external memory solution. The TFBGA-100 package has a 9 mm by 9 mm footprint and is intended for compact embedded assemblies. Because the package is a fine-pitch BGA, PCB layout requires careful escape routing, via placement, and assembly-process control.
Typical applications include USB-connected test equipment, industrial data acquisition, CAN network nodes, Ethernet gateways, and audio or communications systems. The Cortex-M4 core can process time-sensitive data while the Cortex-M0 coprocessor handles supervisory or low-level tasks. Designers should confirm pin multiplexing, power sequencing, memory-interface requirements, and thermal performance against the complete NXP datasheet before layout release.
For signal-processing designs, prioritize deterministic memory placement, stable clocking, and correct decoupling around the supply pins. For USB or Ethernet implementations, route high-speed signals as controlled-impedance nets and keep noisy switching paths away from sensitive analog sections. This page consolidates verified product information, commercial availability, and practical integration guidance; unspecified electrical details remain marked for datasheet confirmation.
Drop-in alternatives for LPC4320FET100 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
LPC4320FET100,551
✅ Drop-In📋 Reference alternative (not in catalog)
LPC43S30FET100E
✅ Drop-In📋 Reference alternative (not in catalog)
LPC4333JET100E
✅ Drop-In📋 Reference alternative (not in catalog)
LPC4320FET100 Maximum Ratings & Electrical Characteristics
| Product Type | 32-bit dual-core microcontroller |
| Main Core | Arm Cortex-M4 |
| Coprocessor Core | Arm Cortex-M0 |
| Maximum Clock Speed | 204 MHz |
| Data Bus Width | 32 bit |
| On-Chip SRAM | 200 kB |
| External Memory | SPIFI interface; flashless device |
| Supply Voltage | 2.2 V to 3.6 V |
| I/O Ports | 49 |
| USB Interfaces | Two high-speed USB interfaces |
| Ethernet | Integrated Ethernet |
| CAN | Integrated CAN |
| Security | AES hardware capability listed |
| Package | TFBGA-100, 9 x 9 mm |
| Mounting Type | Surface mount |
| Core Count | 2 |
| Processor Architecture | Arm Cortex-M4/M0 |
| Lifecycle Stage | Active |
LPC4320FET100 tfbga-100, 9 x 9 mm Pin Configuration Guide
Pin configuration for LPC4320FET100 (tfbga-100, 9 x 9 mm 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 LPC4320FET100.
Refer to the datasheet for full pin configuration.
Typical Applications
LPC4320FET100 is suitable for 6 applications: USB Signal-Acquisition Controller, Industrial CAN Gateway, Ethernet-Connected Embedded Control, High-Speed Audio Processing, USB-to-Serial Data Gateway, External Flash Boot Platform.
USB Signal-Acquisition Controller
The LPC4320FET100 fits USB-connected acquisition equipment because its Cortex-M4 core can process incoming data while the Cortex-M0 coprocessor handles control or housekeeping tasks. Two high-speed USB interfaces and up to 204 MHz of processing performance provide a useful combination for buffering and real-time handling. The device is flashless, so a system should include external boot and storage memory. USB layout, power delivery, enumeration timing, and firmware support must be verified against the complete NXP documentation.
Recommended
Industrial CAN Gateway
For industrial CAN gateway designs, the LPC4320FET100 combines an Arm Cortex-M4/M0 dual-core architecture with integrated CAN and Ethernet connectivity. One core can handle protocol processing while the other supports supervisory logic, allowing deterministic task separation without duplicating the main controller package. Its 2.2 V to 3.6 V supply range and 49 I/O ports support compact embedded systems, although transceiver selection, isolation, termination, and EMC requirements remain board-level concerns.
Recommended
Ethernet-Connected Embedded Control
The LPC4320FET100 is suitable for Ethernet-connected embedded control because the verified NXP description lists integrated Ethernet, two high-speed USB ports, CAN, AES, and SPIFI. The Cortex-M4 core can execute network-facing application logic while the Cortex-M0 core can manage lower-level tasks, depending on the firmware architecture. The flashless configuration requires external nonvolatile memory, and Ethernet magnetics, PHY integration, clocking, isolation, and controlled-impedance routing should be planned before schematic release.
Recommended
High-Speed Audio Processing
The LPC4320FET100 can serve as an audio-processing controller when a design benefits from a high-performance Cortex-M4 core and a separate Cortex-M0 coprocessor. The main core can handle audio buffering and filtering tasks, while the coprocessor can supervise controls or peripheral state. Its 200 kB SRAM provides a constrained local working memory, so streaming formats and buffer sizes must be checked carefully. The verified data does not specify an audio codec interface, so the selected codec and digital-audio routing require independent confirmation.
Recommended
USB-to-Serial Data Gateway
The LPC4320FET100 is appropriate for a USB-to-serial gateway because it includes two high-speed USB interfaces, CAN, Ethernet, and SPIFI in one microcontroller package. Firmware can expose a control endpoint while the dual-core architecture separates protocol handling from background tasks. Its flashless memory architecture means the design needs external storage for firmware and configuration. Validate USB descriptors, power requirements, ESD protection, serial transceiver levels, and device enumeration with the actual system software.
Recommended
External Flash Boot Platform
As a flashless MCU, the LPC4320FET100 naturally fits platforms that boot code or retain large data in external serial memory through SPIFI. The Cortex-M4 core can initialize storage, run the main application, and process connected data, while the Cortex-M0 coprocessor can assist with monitoring tasks. SPIFI timing and external-memory compatibility depend on the selected flash device and board layout. Use the manufacturer memory-interface and reference-design guidance before committing to a specific external-memory protocol.
Recommended
Recommended Products Summary
Engineering reference data for LPC4320FET100 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | LPC4320FET100,551 | LPC43S30FET100E | LPC4333JET100E |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | TFBGA-100 (9x9 mm) | TFBGA-100 | TFBGA-100 | TFBGA-100 |
Key Differentiators
- Dual-core Cortex-M4/M0 processing architecture (vs LPC4333JET100E)
- 200 kB SRAM for connected embedded workloads (vs LPC43S30FET100E)
- Integrated connectivity set (vs LPC43S30FET100E)
- 204 MHz verified clock rating (vs LPC4333JET100E)
Design Notes
Begin the power design by allocating the LPC4320FET100 within the verified 2.2 V to 3.6 V device supply range and then follow the exact rail, sequencing, and decoupling requirements in the NXP datasheet. Place local bypass capacitors close to the supply and ground balls, and verify startup behavior for the external flash and connected peripherals. The verified data does not provide regulator topology or current limits, so those values must not be inferred.
Treat the TFBGA-100 footprint as a fine-pitch assembly constraint. Plan via-in-pad or via-adjacent escape strategies, maintain the package courtyard and solder-mask rules from the NXP package drawing, and confirm the PCB fabrication stack-up with the assembler. For USB, Ethernet, and other high-speed links, use continuous reference planes and controlled-impedance routing; the supplied data does not specify differential impedances or ball-level routing.
Keep USB and Ethernet routing away from switching power stages, clocks, and sensitive analog inputs. Match the external memory interface and communication lines according to the selected peripheral specifications, and provide continuous return paths beneath high-speed signals. Since exact timing, impedance, and package-ball data are not included in the supplied sources, validate the layout with the complete NXP hardware design guidance and measured SI/PI checks.
Do not confuse the LPC4320FET100 with a flash-equipped variant or assume that the LPC43S30FET100E and LPC4333JET100E are automatic substitutes. The target is described as flashless and the comparison data identifies 512 kB flash for LPC4333JET100E, so boot architecture, external memory, firmware, and peripheral mappings may differ. Confirm the exact MPN suffix and manufacturer documentation before releasing a replacement design.
Compliance Information
Compliance data was not present in the supplied verified manufacturer or distributor snippets. The lifecycle snippet identifies the part as active, but that does not establish RoHS, REACH, lead-free, halogen-free, or conflict-minerals status.
