LPC1823JBD144E - 180MHz Cortex-M3 512KB MCU | NXP
MPN: LPC1823JBD144E ✓ ActiveLPC1823JBD144E Overview
A microcontroller is a programmable system-on-chip that integrates a CPU core, flash program memory, data memory, peripheral interfaces, and debug support into one package. The LPC18xx family sits within the Arm Cortex-M3 category of 32-bit embedded microcontrollers, combining deterministic interrupt-driven operation with a broad set of communication and timing peripherals for industrial control equipment.
The LPC1823JBD144E combines a 180 MHz maximum operating frequency with 512 KB of flash in a single 144-pin LQFP package. Its 144-pin footprint provides a generous connection count for external memory, communication interfaces, and mixed-signal control systems, while the 20 x 20 mm body keeps the design compatible with conventional surface-mount assembly and multilayer PCB layouts.
Compared with smaller Cortex-M devices, the LPC1823JBD144E provides substantial embedded flash capacity and a large pin count for projects that need multiple external interfaces. The 144-LQFP package exposes more I/O than compact QFN or 48-pin packages, making it suitable for control boards that connect sensors, actuators, communications transceivers, and human-interface circuitry through one microcontroller.
Typical uses include industrial automation controllers, embedded gateways, communications equipment, data-acquisition systems, and motor-control platforms. The 512 KB flash budget supports larger embedded firmware, protocol stacks, and application logic, while the 180 MHz Cortex-M3 core provides the processing headroom expected by connected embedded products.
Board design should follow the manufacturer pin-description table when assigning every signal, especially the power, ground, clock, reset, and debug functions across 144 pins. Preserve the specified decoupling and layout guidance, provide a valid clock source and reset path, and confirm that the programmed firmware and peripheral assignments match the industrial-temperature ordering option before production release.
This page combines distributor availability details, manufacturer product information, family-level drop-in alternatives, application guidance, and design notes to support component selection, PCB planning, firmware bring-up, and sourcing review for the LPC1823JBD144E.
Drop-in alternatives for LPC1823JBD144E — 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 LPC1823JBD144E (same form factor and footprint) — differing in Product Type, Flash Memory, LCD Interface, Package.
LPC1822JBD144E
✅ Drop-InContact for price
View Datasheet →LPC1823JBD144
✅ Drop-In📋 Reference alternative (not in catalog)
LPC1830FBD144K
✅ Drop-In ⚠️ Specs UnverifiedContact for price
View Datasheet →LPC1821JBD144E
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
LPC1822JBD144
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
LPC1823JBD144E Maximum Ratings & Electrical Characteristics
| Product Type | High-performance 32-bit microcontroller |
| CPU Core | Arm Cortex-M3 |
| Architecture | 32-bit RISC |
| Maximum CPU Frequency | 180 MHz |
| Flash Memory | 512 KB |
| Flash Organization | 512K x 8 |
| Package Type | LQFP, gull wing, 144 terminals |
| Package Body Size | 20 x 20 mm |
| Mounting Type | Surface mount |
| Temperature Grade | Industrial |
| Core Architecture | Arm Cortex-M3 |
| Application | Embedded industrial control |
LPC1823JBD144E 20 x 20 mm Pin Configuration Guide
Pin configuration for LPC1823JBD144E (20 x 20 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 LPC1823JBD144E.
Refer to the datasheet for full pin configuration.
Typical Applications
LPC1823JBD144E is suitable for 6 applications: Industrial Automation Controller, Embedded Communications Gateway, Data-Acquisition and Monitoring System, Motor Control and Power Conversion Platform, Human-Machine Interface Controller, Secure Network Appliance Controller.
Industrial Automation Controller
The LPC1823JBD144E fits an industrial automation controller that combines control logic, communications, and real-time I/O on one board. Its 180 MHz Arm Cortex-M3 core provides processing headroom for control loops, state machines, and diagnostics, while 512 KB of flash accommodates application firmware, drivers, and communication protocols. The 144-terminal LQFP package offers more external connections than compact MCU packages, simplifying access to sensors, actuators, and expansion interfaces. Route power, ground, clock, and debug signals according to the NXP layout guidance, and isolate noisy switching stages from precision analog sections.
Recommended
Embedded Communications Gateway
The LPC1823JBD144E is appropriate for an embedded gateway that must consolidate serial, network, and field-bus data before forwarding it to a host or cloud service. The 180 MHz Cortex-M3 core can execute protocol stacks, packet filtering, and local buffering, and 512 KB of flash provides room for a bootloader, application code, and configuration data. Its 144 pins simplify the connection of multiple transceivers and status signals without requiring a very large package. Keep Ethernet and high-speed USB routing short and controlled, and use the exact NXP interface configuration when assigning communication-capable pins.
Recommended
Data-Acquisition and Monitoring System
The LPC1823JBD144E can serve as the supervisory controller in a data-acquisition system that samples sensors, timestamps records, and reports operating status. Its 512 KB of embedded flash is useful for buffering configuration, calibration tables, and diagnostic logs, while the 180 MHz core handles scheduled acquisition tasks and communication servicing. The 144-terminal LQFP package provides sufficient pin count for sensor inputs, trigger signals, status indicators, and serial interfaces. Maintain clean grounding and controlled analog supply paths, and use the manufacturer pin table to avoid conflicts between high-speed digital and sensitive analog functions.
Recommended
Motor Control and Power Conversion Platform
The LPC1823JBD144E can coordinate a motor-control platform that generates command sequences, monitors feedback, and handles protection status from external power stages. The 180 MHz Cortex-M3 core supports deterministic current-loop or position-control software, and the 512 KB flash budget can hold control algorithms plus fault-handling logic. Its 144 pins allow dedicated connections for pulse-width-modulated outputs, encoder inputs, current sensing, and gate-driver enable signals. Keep switching-node layouts away from the MCU supply and reference pins, and verify all timing and peripheral assignments against the NXP datasheet.
Recommended
Human-Machine Interface Controller
The LPC1823JBD144E supports a human-machine interface controller that manages displays, buttons, encoders, and status feedback while coordinating background communications. Its 180 MHz core can drive display updates and input handling while leaving processing capacity for supervisory tasks, and 512 KB of flash accommodates interface firmware, graphics data, and communication code. The 144-terminal LQFP provides a broad I/O pool for display interfaces, key matrices, and indicator outputs. Keep display and switching signals isolated from sensitive analog returns, and route the debug connector so production programming remains accessible.
Recommended
Secure Network Appliance Controller
The LPC1823JBD144E fits a secure embedded appliance controller that manages network links, local storage access, and authenticated configuration. The 512 KB flash capacity supports a bootloader, firmware image, network stack, and cryptographic configuration data, while the 180 MHz Cortex-M3 core supports concurrent protocol servicing and health monitoring. The 144-pin package accommodates Ethernet, serial debug, storage-control, and watchdog connections in one controller design. Apply the manufacturer's decoupling and layout recommendations, provide a reliable reset and clock implementation, and validate firmware security controls independently of the MCU hardware selection.
Recommended
Recommended Products Summary
Engineering reference data for LPC1823JBD144E — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | LPC1822JBD144E | LPC1823JBD144 | LPC1830FBD144K | LPC1821JBD144E |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | LQFP-144 (20x20 mm) | LQFP-144 (20x20 mm) - same footprint | LQFP-144 (20x20 mm) - same footprint | LQFP-144 (20x20 mm) - same footprint | LQFP-144 (20x20 mm) - same footprint |
| CPU Core | Arm Cortex-M3 | Arm Cortex-M3 | Arm Cortex-M3 | Arm Cortex-M3 | Arm Cortex-M3 |
| Architecture | 32-bit RISC | 32-bit RISC | 32-bit RISC | 32-bit RISC | 32-bit RISC |
| Pin Count | 144 terminals | 144 terminals | 144 terminals | 144 terminals | 144 terminals |
| Package Body Size | 20 x 20 mm | 20 x 20 mm | 20 x 20 mm | 20 x 20 mm | 20 x 20 mm |
| Ordering Suffix | E | E | No E suffix shown | K | E |
Key Differentiators
- Provides the specified 180 MHz Cortex-M3 performance with 512 KB of flash (vs LPC1822JBD144E)
- Uses the same 144-terminal 20 x 20 mm LQFP footprint as the related NXP options (vs LPC1830FBD144K)
- Industrial-temperature ordering designation matches industrial control deployments (vs LPC1823JBD144)
Design Notes
Assign all 144 package positions directly from the NXP pin-description table before schematic release, and treat power, ground, clock, reset, and debug pins as layout constraints rather than ordinary GPIO. Place required decoupling close to the associated supply pins, provide a continuous ground reference beneath the device where the package drawing permits, and route sensitive clock lines away from switching nodes and high-current outputs.
Build the supply network around the exact operating-voltage limits, current requirements, and decoupling configuration stated in the manufacturer data sheet. Because the LPC1823JBD144E can run at 180 MHz and drive external interface circuitry, include local bulk capacitance, verify startup current behavior, and confirm that the regulator has adequate headroom for the configured load plus transient margin before PCB release.
Keep the Cortex-M3 clock path short and return it to a clean ground reference, and preserve the manufacturer's guidance for reset and debug signals. If Ethernet, USB, or other high-speed interfaces are populated, route them as controlled-impedance nets with continuous reference planes and keep switching-node copper and magnetics away from sensitive analog and clock areas. Validate signal integrity with the actual stack-up and enclosure.
Do not substitute a mechanically identical LQFP-144 device based only on the package outline. Confirm flash density, temperature grade, ordering suffix, peripheral configuration, and every signal connected to the PCB. The family shares a common footprint, but device variants can change memory organization or peripheral assignments. Use the NXP LPC1823JBD144 documentation as the controlling reference for the original design.
Compliance Information
The verified product information identifies an industrial-temperature grade but does not provide RoHS, REACH, lead-free, halogen-free, conflict-minerals, or AEC-Q100 status. No unverified environmental or automotive claim is assigned.
