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NXP Semiconductors LPC1114FBD48/302EL
- Part No.:
- LPC1114FBD48/302EL
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
LPC1114FBD48/302EL.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,977
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Product details
Overview
LPC1114FBD48/302EL from NXP Semiconductors is a 32-bit ARM Cortex-M0 microcontroller in LQFP48 package, operating at up to 50 MHz with 32 kB flash, 8 kB SRAM, one UART with RS-485 support, one Fast-mode Plus I²C-bus interface, two SPI controllers, four general-purpose timers, and a 10-bit ADC-designed for low-power embedded control in lighting and alarm systems.
For engineers reviewing the LPC1114FBD48/302EL datasheet, LPC1114FBD48/302EL pinout, LPC1114FBD48/302EL application, or LPC1114FBD48/302EL equivalent, this page delivers verified specifications, validated LQFP48 pin mapping, real-world use cases in metering and white goods, and two confirmed alternative parts with functional and packaging distinctions.
Technical Context
The LPC1114FBD48/302EL implements the ARM Cortex-M0 core with NVIC and Serial Wire Debug, supporting up to 50 MHz CPU operation via internal 12 MHz RC oscillator (±1 %) or external crystal (1–25 MHz), with PLL for frequency multiplication. It integrates a programmable windowed watchdog timer and power management unit enabling Sleep, Deep-sleep, and Deep power-down modes.
Peripherals include a 10-bit ADC with up to 8 input channels (AD[7:0]), two SPI interfaces with FIFO and multi-protocol capability (SPI0 and SPI1), full I²C-bus compliance with Fast-mode Plus (1 Mbit/s), and UART with fractional baud rate generation, internal FIFO, and RS-485/EIA-485 support-all accessible on the 48-pin LQFP package with 42 GPIOs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M0, 32-bit RISC, supports Thumb-2 instruction set for compact code size vs. 8/16-bit MCUs. |
| Max Clock Frequency | 50 MHz - enables real-time control loops and faster interrupt response than typical 8-bit devices. |
| Flash Memory | 32 kB - sufficient for bootloader + application firmware in cost-sensitive industrial nodes. |
| SRAM | 8 kB - supports moderate stack depth, data buffers, and RTOS task contexts. |
| I/O Pins | 42 GPIO - configurable pull-up/pull-down, edge/level interrupts, high-current sink (20 mA) on I²C pins. |
| Analog Input | 10-bit ADC with 8-channel multiplexing (AD[7:0]) - suitable for sensor monitoring in lighting and metering. |
| Serial Interfaces | 1× UART (RS-485), 1× I²C (Fast-mode Plus, 1 Mbit/s), 2× SPI - enables robust communication in noisy environments. |
Pinout & Package
LQFP48 package: plastic low-profile quad flat package, 48 leads, body size 7 × 7 × 1.4 mm, lead pitch 0.5 mm, RoHS-compliant, thermal performance suited for industrial ambient (−40 °C to +85 °C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 24, 48 | VSS | Ground reference for digital and analog domains; multiple pins reduce ground impedance and noise coupling. |
| 13, 25, 39 | VDD | Core and I/O supply (1.8 V to 3.6 V); three dedicated pins ensure stable voltage under dynamic load. |
| 12, 37 | XTALIN / XTALOUT | Crystal oscillator connection for precise timing; supports 1–25 MHz crystals for clock accuracy-critical applications. |
| 3, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 38, 40, 41, 42, 43, 44, 45, 46, 47 | GPIO / Peripheral Function | 42 multifunction pins supporting UART, I²C, SPI, ADC, timers, and wake-up; all mapped to PIO0–PIO3 ports with configurable direction and drive strength. |
| 2, 47 | SWDIO / SWCLK | Serial Wire Debug interface for programming and real-time debugging without JTAG overhead. |
| 44 | RESET/PIO0_0 | Active-low reset input with internal pull-up; also serves as GPIO for system-level control signaling. |
Key Features
| Feature | Design Value |
|---|---|
| Power Profiles in Boot ROM | Optimized performance/power trade-offs selectable via single API call-reduces firmware development time for battery-powered lighting controls. |
| Windowed Watchdog Timer | Prevents runaway code while allowing safe software updates; required for safety-critical alarm system firmware. |
| Configurable Open-Drain Mode | Enables I²C bus sharing and wired-AND logic without external components-lowers BOM cost in white goods interfaces. |
| High-Current Sink on I²C Pins | 20 mA drive capability on SDA/SCL supports longer trace lengths and higher bus capacitance in industrial enclosures. |
| In-Application Programming (IAP) | Allows field firmware updates without external programmer-essential for remote eMetering device maintenance. |
Applications
| Smart Lighting Control | Industrial Alarm Panel |
|---|---|
Use Scenario: Dimmable LED driver with DALI or 0–10 V interface, requiring local sensor fusion and wireless gateway coordination. IC Role / Device Role / Timing Role: Main controller executing lighting algorithms, managing ADC readings from ambient light/temperature sensors, and driving UART-based DALI transceivers. Use Value: 32 kB flash stores lighting profiles and calibration data; 42 GPIOs route PWM outputs, status LEDs, and fault inputs without external logic. | Use Scenario: Fire/smoke detection panel with zone monitoring, audible/visual alerts, and RS-485 communication to central building management system. IC Role / Device Role / Timing Role: Central MCU handling sensor polling, alarm state machine, relay control, and RS-485 UART transmission with collision avoidance. Use Value: Windowed WDT ensures fail-safe shutdown during firmware faults; 10-bit ADC reads analog smoke sensor outputs with 8-channel flexibility per zone. |
| eMetering Interface Module | White Goods Motor Control |
Use Scenario: Electricity meter add-on module for pulse counting, tariff switching, and secure data logging via SPI-connected FRAM. IC Role / Device Role / Timing Role: Dedicated interface MCU isolating metrology ASIC from communication subsystems using SPI and UART. Use Value: Two SPI interfaces enable simultaneous metrology data capture and secure storage; 8 kB SRAM buffers burst reads before encryption. | Use Scenario: Washing machine drum motor controller with hall-effect feedback, temperature monitoring, and user interface buttons/LEDs. IC Role / Device Role / Timing Role: System supervisor coordinating motor driver ICs, reading ADC temperature sensors, and managing UI via GPIO matrix. Use Value: 50 MHz CPU handles real-time PID loop execution; open-drain GPIOs directly drive indicator LEDs and optocoupled relay drivers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LPC1114FBD48/303 | LPC1100XL series variant with windowed WDT and power profiles enabled; identical flash/SRAM/package. | Required for applications needing certified watchdog behavior (e.g., UL-listed alarm panels). | Select when windowed WDT functionality is mandatory; otherwise LPC1114FBD48/302EL suffices for standard industrial control. |
| LPC1113FBD48/302 | Same LQFP48 package and peripherals but with 24 kB flash and 8 kB SRAM; LPC1100L series with power profiles. | Suitable where firmware footprint is smaller and cost reduction is prioritized over future feature expansion. | Choose for cost-sensitive lighting nodes with static firmware; not recommended if bootloader + application exceeds 24 kB. |
Compared with LPC1114FBD48/303, the LPC1114FBD48/302EL omits windowed WDT but retains identical peripheral count and memory-making it ideal for non-certified control tasks. Against LPC1113FBD48/302, it adds 8 kB flash for larger firmware or dual-bank OTA updates without changing PCB layout.
Availability
LPC1114FBD48/302EL is available at Aetrix Electronics and suitable for smart lighting control, industrial alarm panels, and eMetering interface modules requiring stable component supply across production lifecycles.
Supply support for LPC1114FBD48/302EL includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The LPC111x family targets cost-sensitive 32-bit embedded control, bridging the gap between legacy 8/16-bit MCUs and high-end Cortex-M3/M4 devices-optimized for low power, small footprint, and rapid firmware development.
FAQ
What is the maximum operating frequency of the LPC1114FBD48/302EL?
The LPC1114FBD48/302EL operates at a maximum CPU frequency of 50 MHz. This is achieved using either the internal 12 MHz ±1 % RC oscillator with PLL multiplication or an external crystal (1–25 MHz) directly driving the system clock. The 50 MHz speed enables deterministic real-time response in lighting dimming and alarm event handling.
Does the LPC1114FBD48/302EL support In-Application Programming (IAP)?
Yes, the LPC1114FBD48/302EL supports In-Application Programming via its on-chip bootloader. This allows firmware updates to be performed while the device is running-critical for remote eMetering modules where physical access is impractical. IAP uses flash sector erase and program routines accessible through defined ROM API calls.
What ADC resolution and channel count does the LPC1114FBD48/302EL provide?
The LPC1114FBD48/302EL integrates a 10-bit successive approximation ADC with up to eight input channels (AD[7:0]). On the LQFP48 package, all eight channels are accessible, enabling simultaneous monitoring of multiple analog sensors-such as temperature, light intensity, and motor current-in white goods and alarm systems.
Is the LPC1114FBD48/302EL pin-compatible with other LPC111x LQFP48 variants?
Yes, the LPC1114FBD48/302EL shares identical pinout and package dimensions with all LQFP48 variants in the LPC111x family-including LPC1113FBD48/302 and LPC1114FBD48/303. This enables direct PCB reuse across firmware variants, provided peripheral usage aligns with the specific part's feature set (e.g., windowed WDT presence).
What debug interface does the LPC1114FBD48/302EL support?
The LPC1114FBD48/302EL supports Serial Wire Debug (SWD) via dedicated SWDIO (Pin 47) and SWCLK (Pin 2) pins. This two-wire interface provides full programming, breakpoint, and real-time variable inspection capabilities using standard ARM-compliant debug probes-eliminating need for bulky JTAG headers in space-constrained designs.
LPC1114FBD48/302EL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 48-LQFP
- Series:
- LPC1100L
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0
- Core Size:
- 32-Bit Single-Core
- Speed:
- 50MHz
- Connectivity:
- I2C, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, WDT
- Number of I/O:
- 42
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 8x10b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
LPC1114FBD48/302EL FAQ
1.How can I place an order for LPC1114FBD48/302EL through Aetrix?
Please submit a Request for Quotation (RFQ) for LPC1114FBD48/302EL on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LPC1114FBD48/302EL reliable?
The price and inventory of LPC1114FBD48/302EL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPC1114FBD48/302EL is usually 5 days.
3.What payment methods are accepted for LPC1114FBD48/302EL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPC1114FBD48/302EL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPC1114FBD48/302EL?
LPC1114FBD48/302EL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPC1114FBD48/302EL order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LPC1114FBD48/302EL?
For technical support, including LPC1114FBD48/302EL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPC1114FBD48/302EL requirements.
6.How does Aetrix verify that LPC1114FBD48/302EL is sourced from the original manufacturer or authorized distributors?
All LPC1114FBD48/302EL products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LPC1114FBD48/302EL meets industry standards.
7.What is the process for return or replacement of LPC1114FBD48/302EL?
All LPC1114FBD48/302EL units undergo pre-shipment inspection (PSI). If there is an issue with LPC1114FBD48/302EL, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LPC1114FBD48/302EL part is unused and in its original packaging.
Return procedure for LPC1114FBD48/302EL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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