LPC2146FBD64 - 60MHz ARM7 Microcontroller with USB 2.0 | NXP
MPN: LPC2146FBD64 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $14.0696 | $14.07 |
| 10 | $14.0696 | $140.70 |
| 100 | $14.0696 | $1,406.96 |
| 500 | $14.0696 | $7,034.80 |
| 1,000 | $14.0696 | $14,069.60 |
LPC2146FBD64 Overview
An ARM7 microcontroller is a 32-bit RISC processor platform designed for embedded systems, where deterministic control, peripheral integration, and low-power operation are more important than desktop-class computing. The LPC2146 belongs to the LPC2000 general-purpose MCU family, using the ARM7TDMI-S architecture with real-time emulation and embedded trace support. This hierarchy places it within microcontrollers, embedded processors, and semiconductor-based control systems.
Key features visible in the verified product data include a 60MHz operating frequency, 256KB of flash memory, USB 2.0 full-speed device operation, and integrated 10-bit ADC and DAC peripherals. ISP/IAP capability supports programming and application updates, while the 128-bit memory interface and accelerator architecture described by NXP are intended to improve execution efficiency for 32-bit code. These characteristics suit systems requiring local control, mixed-signal measurement, and USB data exchange.
Typical applications include USB data acquisition controllers, industrial monitoring equipment, communications interfaces, embedded test systems, and compact control platforms. The integrated converters reduce the need for separate analog support where their channel counts, reference, and electrical limits meet the system requirements. The ARM7TDMI-S core also supports established embedded development workflows and debugging ecosystems.
When designing around the LPC2146FBD64, verify the complete electrical and pin-level requirements against the manufacturer datasheet, especially USB routing, analog input conditioning, clock configuration, decoupling, and programming interfaces. The 64-LQFP footprint requires careful land-pattern compliance and adequate clearance around adjacent signal pins.
This product page combines verified NXP specifications, distributor availability signals, package information, and engineering-oriented selection guidance. It distinguishes documented facts from parameters requiring confirmation, helping engineers evaluate the LPC2146FBD64 for USB-enabled embedded control and analog acquisition designs.
Drop-in alternatives for LPC2146FBD64 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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Request AlternativesLPC2146FBD64 Maximum Ratings & Electrical Characteristics
| Product Type | Single-chip 16-bit/32-bit microcontroller |
| CPU Architecture | ARM7TDMI-S |
| CPU Clock | 60 MHz |
| Flash Memory | 256 KB |
| Flash Organization | 256K x 8 |
| Programming Support | ISP/IAP |
| USB Interface | USB 2.0 full-speed device |
| ADC | 10-bit |
| DAC | 10-bit |
| Package | 64-LQFP, 10 mm x 10 mm |
| Terminal Count | 64 terminals |
| Temperature Grade | Industrial |
| Package Code | LFQFP |
| Mounting Type | Surface mount |
| Manufacturer | NXP Semiconductors |
| Maximum Clock Frequency | 60 MHz |
| Memory Bus Width | 128-bit |
| Debug Support | Real-time emulation and embedded trace |
LPC2146FBD64 lfqfp Pin Configuration Guide
Pin configuration for LPC2146FBD64 (lfqfp 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 LPC2146FBD64.
Refer to the datasheet for full pin configuration.
Typical Applications
LPC2146FBD64 is suitable for 6 applications: USB Data Acquisition Controller, Industrial Monitoring and Control, USB Communication Peripheral, Embedded Test and Measurement Instrument, Compact Embedded Control Platform, USB-Enabled Analog Signal Generator.
USB Data Acquisition Controller
The LPC2146FBD64 fits a USB data-acquisition controller because it combines a 60MHz ARM7TDMI-S core with a USB 2.0 full-speed device interface and integrated 10-bit ADC and DAC functions. The MCU can sample conditioned analog inputs, perform local filtering or control, and transmit results to a host over USB. Its 256KB flash provides room for firmware and protocol handling, while ISP/IAP supports programming or field updates. The design must verify ADC channel count, input ranges, reference voltage, USB routing, and electrical limits from the complete NXP datasheet.
Recommended
Industrial Monitoring and Control
The LPC2146FBD64 can serve as the local controller in an industrial monitoring platform because it provides a 60MHz ARM7TDMI-S processor, 256KB flash, 10-bit ADC/DAC functions, and an industrial temperature-grade listing. It can acquire sensor signals, execute control logic, monitor system states, and provide USB connectivity for configuration or data transfer. Industrial qualification depends on the complete operating-temperature, supply-voltage, EMC, isolation, and environmental requirements rather than the distributor temperature-grade label alone.
Recommended
USB Communication Peripheral
The LPC2146FBD64 is suitable for a USB communication peripheral because the verified feature set includes USB 2.0 full-speed device operation, a 60MHz ARM7 core, and 256KB embedded flash. A host interface, command parser, data buffer, and application-specific control logic can be implemented around the MCU without requiring a separate USB host controller. The USB interface should be designed with the required routing, termination, decoupling, and firmware procedures defined by NXP, while the package pin assignments must be checked against the selected board schematic.
Recommended
Embedded Test and Measurement Instrument
The LPC2146FBD64 can support an embedded test and measurement instrument when a product needs local control, data processing, and USB export. Its 60MHz ARM7TDMI-S processor handles control sequences, the 10-bit ADC/DAC functions support analog measurement or stimulus generation, and 256KB flash supports firmware storage. The main engineering limits are converter performance, analog noise, timing accuracy, USB compliance, calibration strategy, and thermal behavior. Those parameters must be verified in the manufacturer datasheet before setting measurement accuracy or update-rate targets.
Recommended
Compact Embedded Control Platform
The LPC2146FBD64 is a reasonable candidate for a compact embedded control platform requiring a capable 60MHz ARM7 core, 256KB flash, and local analog and communications functions. It can coordinate sensors, actuators, indicators, and USB service operations while retaining a single-chip integration level. The 64-LQFP 10mm x 10mm package helps reduce board area compared with larger leaded packages, but pin multiplexing, power integrity, decoupling, thermal design, and programming access still require careful schematic and PCB review.
Recommended
USB-Enabled Analog Signal Generator
The LPC2146FBD64 can implement a USB-enabled analog signal generator using its 10-bit DAC for basic waveform generation, a 60MHz ARM7 core for timing and control, and USB 2.0 full-speed device connectivity for host configuration and data capture. The 256KB flash stores firmware, calibration tables, and waveform parameters, while ISP/IAP supports updates. Actual signal fidelity depends on DAC reference quality, output impedance, bandwidth, noise, monotonicity, and analog reconstruction, so the complete datasheet and a measured prototype are required.
Recommended
Recommended Products Summary
Engineering reference data for LPC2146FBD64 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product |
|---|---|
| CPU | ARM7TDMI-S |
| Maximum Clock Frequency | 60 MHz |
| Flash Memory | 256 KB |
| Flash Organization | 256K x 8 |
| USB Interface | USB 2.0 full-speed device |
| ADC Resolution | 10-bit |
| DAC Resolution | 10-bit |
| Programming Support | ISP/IAP |
| Temperature Grade | Industrial |
| Package | 64-LQFP, 10 mm x 10 mm |
| Brand | NXP Semiconductors |
| Unit Price | $14.0696 as of 2026-10-23 |
Key Differentiators
- Integrated USB 2.0 full-speed device connectivity (vs No verified drop-in alternative was identified)
- Integrated 10-bit ADC and DAC functions (vs No verified drop-in alternative was identified)
- 60MHz ARM7TDMI-S processing with 256KB flash (vs No verified drop-in alternative was identified)
Design Notes
Design the LPC2146FBD64 power rails and decoupling from the complete NXP electrical specification rather than from the distributor summary. Place required bulk and high-frequency decoupling capacitors close to the device power pins, keep analog and digital return paths controlled, and verify the USB transceiver and ADC/DAC reference requirements against the datasheet. Estimated power dissipation cannot be calculated from the verified data because the operating voltage and current are not provided.
Use the manufacturer’s 64-LQFP land pattern and maintain clearance around the gull-wing leads. Route USB differential signals as a controlled impedance pair, minimize stubs and discontinuities, and place USB-related protection and filtering close to the connector. The verified material does not provide the complete pin map or USB layout values, so the current NXP datasheet and reference design must control the final PCB implementation.
Treat the ADC inputs, DAC outputs, clock signals, programming signals, and USB interface as separate signal domains during layout. Provide analog input conditioning appropriate to the verified 10-bit converter resolution and keep high-current or switching paths away from sensitive measurement nodes. The exact sampling time, input impedance, reference voltage, and timing margins remain [DATA_NEEDED: ADC, DAC, clock, and USB electrical details].
Do not substitute the LPC2146FBD64 solely because another controller has a similar 64-LQFP footprint. Verify pin multiplexing, supply voltage, I/O current, USB device requirements, memory organization, boot behavior, programming mode, and firmware driver assumptions. The verified alternatives search did not identify a qualified drop-in replacement, so unreviewed substitutions can cause boot failures, USB incompatibility, or analog-performance loss.
Compliance Information
The verified web data does not provide explicit RoHS, REACH, lead-free, halogen-free, or conflict-minerals declarations. AEC-Q100 is not applicable because the verified part is an industrial microcontroller, not an explicitly automotive-qualified device.