LPC4370FET100K - 204MHz Tri-Core MCU | NXP | Industrial
MPN: LPC4370FET100K ✓ ActiveLPC4370FET100K Overview
A microcontroller is a programmable system-on-chip containing a processor core, memory, peripherals, and interface controllers on one package. The LPC4370 belongs to the 32-bit embedded MCU hierarchy and combines a Cortex-M4 application core with two Cortex-M0 cores for peripheral management and real-time control. Its mixed-core architecture can offload time-critical tasks while the primary core handles application logic and high-bandwidth communications.
The LPC4370FET100K provides 204 MHz processing performance, 282 kB of SRAM, Ethernet, two high-speed USB ports, and an 80 Msps 12-bit ADC. The 12-bit converter combines sampling speed with sufficient resolution for many industrial monitoring, sensor acquisition, and control tasks. Its extensive serial, communications, timing, and configurable peripheral resources support data acquisition, communications equipment, industrial controllers, and connected embedded products.
The Cortex-M4 core uses a three-stage pipeline, Harvard architecture, separate instruction and data buses, and a peripheral bus. This organization supports efficient concurrent access to code, data, and peripherals. The two Cortex-M0 resources are useful for managing peripherals or executing deterministic control functions without loading the main application core. The exact internal flash, memory, and peripheral configuration should be confirmed in the manufacturer LPC4370 product data sheet before firmware and board design begin.
Typical applications include Ethernet-connected industrial controllers, high-speed USB data-acquisition equipment, environmental monitoring systems, factory automation nodes, and embedded gateways. Ethernet and dual high-speed USB support provide multiple paths for host connectivity, diagnostics, firmware update, and external storage or sensor interfaces. The 80 Msps ADC also makes the device suitable for rapid analog signal acquisition when paired with suitable front-end circuitry.
PCB implementation requires careful attention to the 100-TFBGA footprint, high-speed USB routing, Ethernet impedance control, analog-input conditioning, and exposed-pad thermal management. Place decoupling capacitors close to their associated supply pins, use short return paths for high-speed signals, and follow the manufacturer package and layout guidance. Confirm all pin assignments and board dimensions against the LPC4370 product data sheet.
This page combines the manufacturer product information with engineering-oriented application guidance, package considerations, a structured comparison against identified NXP family alternatives, and practical design notes. It helps engineers evaluate whether the LPC4370FET100K provides the required processing, connectivity, conversion performance, and package density for a specific embedded design.
Drop-in alternatives for LPC4370FET100K — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
LPC43S30FET100K
✅ Drop-In📋 Reference alternative (not in catalog)
LPC4367JET100E
✅ Drop-In📋 Reference alternative (not in catalog)
LPC4370FET100K Maximum Ratings & Electrical Characteristics
| Product Type | 32-bit embedded microcontroller |
| Primary Processor Core | Arm Cortex-M4 |
| Secondary Processor Cores | 2 x Arm Cortex-M0 |
| Maximum Primary Clock Frequency | 204 MHz |
| Processor Architecture | 32-bit |
| On-Chip SRAM | 282 kB |
| Program Memory | Flashless; external memory interface required |
| ADC Resolution | 12 bit |
| ADC Maximum Sampling Rate | 80 Msps |
| Ethernet Controller | 1 Ethernet interface |
| High-Speed USB Controllers | 2 |
| Package | 100-TFBGA, 9 x 9 mm |
| Mounting Type | Surface Mount |
| Core Pipeline | 3-stage pipeline |
| CPU Bus Architecture | Harvard architecture |
| Product Family | LPC4370 |
| Lifecycle Status | Active |
LPC4370FET100K 100-tfbga, 9 x 9 mm Pin Configuration Guide
Pin configuration for LPC4370FET100K (100-tfbga, 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 LPC4370FET100K.
Refer to the datasheet for full pin configuration.
Typical Applications
LPC4370FET100K is suitable for 6 applications: Industrial Ethernet Controllers, High-Speed USB Data Acquisition, Environmental Monitoring Stations, Factory Automation Gateways, Medical and Diagnostic Instruments, Connected Embedded Gateways.
Industrial Ethernet Controllers
The LPC4370FET100K fits industrial Ethernet controllers because it combines a 204 MHz Arm Cortex-M4 core with an Ethernet controller and two Cortex-M0 resources for peripheral management. The primary processor can run control logic, communications tasks, and diagnostics while the auxiliary cores handle timing-sensitive I/O. Its 282 kB of SRAM provides useful working memory for buffering protocol data, and the 100-TFBGA package supports compact controller designs. The Ethernet implementation still requires a suitable PHY, compliant magnetics, controlled-impedance routing, and isolation or surge-protection measures appropriate to the installation environment.
Recommended
High-Speed USB Data Acquisition
The LPC4370FET100K is appropriate for high-speed USB data-acquisition equipment because it provides two high-speed USB controllers, an 80 Msps 12-bit ADC, and 282 kB of SRAM in one compact device. The Cortex-M4 can coordinate sampling, buffering, USB transfer, and host commands, while the Cortex-M0 subsystem can assist with deterministic peripheral control. A production design should use the manufacturer's high-speed USB routing guidance, controlled-impedance traces, suitable connectors, and an analog front end that establishes the actual signal bandwidth and conversion performance beyond the ADC's headline sample rate.
Recommended
Environmental Monitoring Stations
The LPC4370FET100K supports environmental monitoring stations that combine sensor acquisition, local control, Ethernet communication, and USB service access. Its 12-bit ADC operating up to 80 Msps can sample rapidly varying sensor signals, while 282 kB of SRAM supports local buffering and protocol processing. The two Cortex-M0 resources can offload sampling control or peripheral servicing from the main control task. For field deployment, the analog input network must include appropriate filtering and protection, and the Ethernet subsystem must be designed for the cable length, grounding method, and surge environment of the installation.
Recommended
Factory Automation Gateways
The LPC4370FET100K is well suited to factory automation gateways because it combines protocol processing, Ethernet, USB service connectivity, configurable peripherals, and a 204 MHz Cortex-M4 core. The two Cortex-M0 cores can support deterministic peripheral management, leaving the primary core available for gateway logic, data logging, diagnostics, and configuration protocols. Its flashless architecture permits external storage to be selected according to firmware size and update requirements. Designers should evaluate boot time, watchdog behavior, brownout handling, and peripheral isolation before deployment in machinery with high electrical transients.
Recommended
Medical and Diagnostic Instruments
The LPC4370FET100K can serve as the control processor in diagnostic and laboratory instruments that require precise sampling, high-speed data movement, and multiple connectivity options. The 80 Msps 12-bit ADC is useful for rapid analog acquisition, while Ethernet and two high-speed USB controllers enable instrument control, data export, and service connections. The mixed Cortex-M4 and Cortex-M0 architecture helps partition real-time sampling tasks from higher-level application logic. Medical use requires separate validation of electrical safety, signal isolation, calibration, patient protection, and applicable regulatory requirements beyond the component's general operating specifications.
Recommended
Connected Embedded Gateways
The LPC4370FET100K fits connected embedded gateways that bridge local sensors and embedded processing to Ethernet or USB hosts. Its 204 MHz Cortex-M4 core handles application protocols and data organization, 282 kB of SRAM supports transient buffering, and the two Cortex-M0 resources can manage peripherals independently of the primary workload. Flashless configuration permits flexible external-memory sizing for gateways with larger firmware, logs, or update images. The system should include a secure boot and update strategy, watchdog recovery, validated firmware provenance, and a physical design that separates analog, Ethernet, USB, and high-current supply regions.
Recommended
Recommended Products Summary
Engineering reference data for LPC4370FET100K — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | LPC43S30FET100K | LPC4367JET100E |
|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 100-TFBGA (9 x 9 mm) | 100-TFBGA (9 x 9 mm) | 100-TFBGA (9 x 9 mm) |
| Primary Processor Core | Arm Cortex-M4 | Arm Cortex-M4 | Arm Cortex-M4 |
| Maximum Primary Clock Frequency | 204 MHz | 204 MHz | 204 MHz |
Key Differentiators
- Integrated dual high-speed USB connectivity (vs LPC43S30FET100K)
- High-speed integrated analog conversion (vs LPC4367JET100E)
- Large integrated working memory (vs LPC4367JET100E)
Design Notes
Route high-speed USB and Ethernet interfaces as controlled-impedance differential pairs with continuous reference planes and minimal stubs. Keep the MCU, decoupling capacitors, memory, and PHY or connector interfaces arranged to minimize loop area. Separate sensitive analog inputs from switching supplies and digital return currents. Use the manufacturer land pattern and keepout dimensions for the 100-TFBGA footprint rather than estimating ball-pad geometry.
Place the required decoupling capacitors directly beside their associated supply balls and connect each capacitor's ground terminal to the nearest low-impedance ground reference. Plan external memory power sequencing and signal states so the bus remains safe during reset and brownout transitions. Because the device is flashless, external memory timing and initialization must be included in the power-up strategy and reset-release sequence.
The 100-TFBGA package concentrates thermal and escape-path requirements into a compact land area. Use the manufacturer's thermal design guidance, provide uninterrupted ground connectivity beneath the device where recommended, and use an exposed-pad-compatible PCB stack-up with adequate via arrays. Validate junction temperature through board-level thermal measurement because ambient temperature, copper area, airflow, and external memory loading materially affect results.
Do not treat a shared 100-TFBGA package as proof of functional equivalence. Before substituting LPC43S30FET100K or LPC4367JET100E, compare boot pins, supply pins, external-memory interfaces, USB routing, Ethernet pins, ADC inputs, debug signals, and peripheral multiplexing. Check the firmware's startup code, clock initialization, pin-mux configuration, and peripheral instance numbering against the alternative's complete data sheet.
Treat analog acquisition signals as high-bandwidth paths even when the final application uses a lower sampling rate. Keep ADC traces short, use a grounded reference plane, place antialiasing and protection networks close to the source, and avoid sharing return paths with digital switching currents. Validate common-mode range, source impedance, acquisition time, and aliasing with the complete analog front end rather than relying only on the nominal 80 Msps conversion rate.
Compliance Information
Compliance declarations are not stated in the product information. Confirm RoHS, REACH, lead-free, halogen-free, conflict-minerals, and automotive qualification status with NXP before production release.
