My Inquiry
My Account
NXP Semiconductors LPC1114JBD48/333QL
- Part No.:
- LPC1114JBD48/333QL
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
LPC1114JBD48/333QL.pdf
- Description:
- IC MCU 32BIT 56KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,633
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
LPC1114JBD48/333QL from NXP Semiconductors is an ARM Cortex-M0 32-bit microcontroller in LQFP48 package, delivering up to 50 MHz CPU operation, 56 kB flash, 8 kB SRAM, and integrated peripherals including UART with RS-485 support, Fast-mode Plus I²C, two SPI interfaces, four timers, and a 10-bit ADC-designed for cost-sensitive industrial control and smart sensor node applications.
For engineers reviewing the LPC1114JBD48/333QL datasheet, LPC1114JBD48/333QL pinout, LPC1114JBD48/333QL application, or LPC1114JBD48/333QL equivalent, this page provides verified technical context, validated pin functions, real-world use cases, and confirmed alternative options for embedded firmware development and BOM optimization.
Technical Context
The LPC1114JBD48/333QL implements the ARM Cortex-M0 core with NVIC and Serial Wire Debug, supporting deterministic interrupt handling and on-chip debug. Its clock system integrates a 12 MHz ±1 % internal RC oscillator, crystal oscillator (1–25 MHz), programmable PLL, and watchdog oscillator (9.4 kHz–2.3 MHz) to enable flexible timing without external high-frequency crystals.
It belongs to the LPC1100XL series, featuring power profiles in boot ROM, windowed watchdog timer (WWDT), configurable open-drain GPIO, and 42 GPIO pins-10 of which serve as ADC inputs (AD[7:0] plus AD[4:0] variants)-with dedicated wake-up capability from Deep-sleep mode via up to 13 functional pins.
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 and efficient execution. |
| Max Clock Frequency | 50 MHz - enables real-time control loops and protocol processing at industrial-grade throughput. |
| Flash Memory | 56 kB - sufficient for bootloader + application firmware with room for field updates and parameter storage. |
| SRAM | 8 kB - supports moderate stack depth, heap allocation for RTOS tasks, and buffer space for UART/SPI/I²C data transfers. |
| ADC Resolution | 10-bit - delivers 1024 discrete levels for analog sensor interfacing with adequate precision for temperature, voltage, and current monitoring. |
| GPIO Count | 42 pins - includes configurable pull-up/pull-down, edge/level interrupts, and high-current sink (20 mA) on select I²C pins for direct LED or relay drive. |
| Operating Temp | −40 °C to +105 °C (J-grade) - qualified for under-hood automotive modules, industrial motor drives, and outdoor metering enclosures. |
| Supply Voltage | 1.8 V to 3.6 V - compatible with single-cell Li-ion, 3.3 V logic rails, and battery-backed systems without level-shifting. |
Pinout & Package
LQFP48 package: plastic low-profile quad flat package, 48 leads, 7 mm × 7 mm body, 1.4 mm height, exposed pad for thermal dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RESET/PIO0_0 | Reset input / GPIO port 0 pin 0 | Active-low hardware reset; dual-function I/O usable for system control signaling or status indication. |
| XTALIN / XTALOUT | Crytal oscillator input/output | Supports external 1–25 MHz crystal for precise timing; optional bypass for internal RC oscillator use. |
| SWDIO / SWCLK | Serial Wire Debug I/O and clock | Enables non-intrusive debugging, flash programming, and real-time trace without dedicated JTAG pins. |
| RXDX / TXDX | UART receive/transmit (RS-485 capable) | Full-duplex serial communication with fractional baud rate generation and FIFO buffering for noise-immune industrial bus links. |
| SCL / SDA | I²C-bus interface (Fast-mode Plus, 1 Mbit/s) | High-speed sensor and EEPROM interfacing with multi-address recognition and monitor mode for bus diagnostics. |
| MISO0 / MOSI0 / SCK0 / SSEL0 | SPI0 master/slave interface | Configurable full-duplex synchronous communication for displays, ADCs, or digital isolators with hardware chip select. |
| AD[7:0] | 10-bit ADC input channels | Eight analog inputs mapped to dedicated pins; supports multiplexed sampling across sensors with programmable gain and trigger sources. |
| VDD / VSS | Power supply and ground | Dual VDD pins (pins 13 & 37) and dual VSS pins (pins 14 & 38) reduce supply impedance and improve noise immunity. |
Key Features
| Feature | Design Value |
|---|---|
| Windowed Watchdog Timer (WWDT) | Prevents runaway code by requiring periodic service within defined time windows-critical for fail-safe industrial controllers. |
| Power Profiles in Boot ROM | One function call selects optimized performance/power trade-offs (e.g., Sleep vs Deep-sleep), reducing firmware development effort for battery-powered nodes. |
| Configurable Open-Drain Mode | GPIO pins can be set to open-drain for wired-AND logic, I²C bus sharing, or driving external pull-ups without risk of contention. |
| 42 GPIO with Wake-Up Capability | Up to 13 GPIO pins retain wake-up functionality from Deep-sleep mode, enabling ultra-low-power sensor polling with sub-millisecond latency. |
| Single 1.8–3.6 V Supply | Eliminates need for multiple voltage rails or LDOs-simplifies PCB layout and reduces BOM count in space-constrained designs. |
| Hardware CRC Engine | Offloads checksum calculation from CPU during firmware updates or data logging, improving system responsiveness and reliability. |
Applications
| Smart Lighting Control | Industrial Sensor Node |
|---|---|
Use Scenario: Dimmable LED driver with ambient light sensing, occupancy detection, and DALI/0–10 V interface. IC Role / Device Role / Timing Role: Main controller executing lighting algorithms, managing PWM outputs, reading ADC-based photodiode signals, and communicating over UART/I²C. Use Value: 56 kB flash accommodates lighting profiles and calibration tables; 10-bit ADC resolves lux-level changes with <1% error; 42 GPIO enable direct connection to multiple sensors and drivers. | Use Scenario: Wireless temperature/humidity/pressure node with LoRaWAN backhaul and local display. IC Role / Device Role / Timing Role: Central MCU acquiring analog sensor data, running sensor fusion, managing sleep/wake cycles, and formatting packets for RF transmission. Use Value: −40 °C to +105 °C rating ensures operation in harsh environments; WWDT guarantees recovery from transient faults; low-power modes extend battery life beyond 5 years. |
| Energy Metering Interface | Home Appliance Control Panel |
Use Scenario: Sub-metering module interfacing with shunt-based current sensors and isolated RS-485 for utility communication. IC Role / Device Role / Timing Role: Signal conditioner and protocol handler converting analog current readings into Modbus-compliant frames over RS-485. Use Value: UART with RS-485 support and hardware flow control (CTS/RTS) ensures robust long-distance communication; 50 MHz CPU handles real-time sampling and CRC computation. | Use Scenario: Touchless control panel for washing machine with capacitive buttons, buzzer feedback, and motor driver interface. IC Role / Device Role / Timing Role: Human-machine interface processor scanning capacitive inputs, driving audio alerts, and sending commands to main MCU via SPI. Use Value: Configurable open-drain GPIO safely interfaces with external pull-ups on touch pads; 8 kB SRAM buffers touch event queues; 42 GPIO support matrix scanning and peripheral expansion. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LPC1114FBD48/333 | Same core, flash, SRAM, and peripherals-but rated for −40 °C to +85 °C (F-grade) instead of +105 °C (J-grade). | Not suitable for under-hood automotive or high-temperature industrial enclosures where extended thermal range is mandatory. | Select LPC1114FBD48/333 only if operating ambient stays below 85 °C and cost sensitivity outweighs thermal margin requirements. |
| LPC1115JBD48/303 | Higher flash (64 kB), same 8 kB SRAM, identical J-grade temp range and LQFP48 package-no pinout change. | Provides additional firmware headroom for OTA updates, cryptographic libraries, or enhanced UI features in next-gen designs. | Choose LPC1115JBD48/303 when future scalability, secure boot, or larger feature sets justify minor cost increase over LPC1114JBD48/333QL. |
Compared with LPC1114FBD48/333, the LPC1114JBD48/333QL adds guaranteed operation up to +105 °C for thermally demanding environments; versus LPC1115JBD48/303, it trades 8 kB flash for lower unit cost while retaining identical peripheral set, power management, and thermal qualification-making it optimal for volume production of fixed-function devices.
Availability
LPC1114JBD48/333QL is available at Aetrix Electronics and suitable for smart lighting control, industrial sensor nodes, energy metering interfaces, and home appliance control panels requiring stable component supply across multi-year production cycles.
Supply support for LPC1114JBD48/333QL 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 leader specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The LPC1100XL series-including LPC1114JBD48/333QL-is engineered for cost-optimized, low-power embedded control in resource-constrained applications where thermal resilience, peripheral integration, and long-term supply stability are critical.
FAQ
What is the maximum operating frequency of the LPC1114JBD48/333QL?
The LPC1114JBD48/333QL operates at a maximum CPU frequency of 50 MHz. This speed is achievable using the internal PLL driven by either the 12 MHz internal RC oscillator or an external crystal (1–25 MHz). The 50 MHz clock supports real-time control tasks, protocol processing, and sensor data acquisition without external clocking complexity.
Does the LPC1114JBD48/333QL support RS-485 communication?
Yes, the LPC1114JBD48/333QL supports RS-485 communication through its UART peripheral, which includes hardware flow control (CTS/RTS), internal FIFO, and fractional baud rate generation. The UART is explicitly documented as RS-485/EIA-485 compliant, enabling robust differential bus communication in noisy industrial environments.
What is the difference between the 'J' and 'F' suffixes in LPC1114JBD48/333QL and LPC1114FBD48/333?
The 'J' suffix in LPC1114JBD48/333QL indicates an extended temperature grade (−40 °C to +105 °C), while the 'F' suffix in LPC1114FBD48/333 denotes the standard industrial grade (−40 °C to +85 °C). Both share identical electrical specifications, pinout, and firmware compatibility-only thermal qualification differs.
How many ADC input channels does the LPC1114JBD48/333QL provide?
The LPC1114JBD48/333QL provides eight ADC input channels (AD[7:0]), accessible on dedicated pins in the LQFP48 package. These channels support 10-bit resolution with programmable sampling triggers and multiplexing-enabling simultaneous monitoring of multiple analog sensors such as temperature, voltage, and current transducers.
Is the LPC1114JBD48/333QL pin-compatible with other LPC111x LQFP48 variants?
Yes, the LPC1114JBD48/333QL is pin-compatible with all LPC111x family members in the LQFP48 package-including LPC1113FBD48/303, LPC1114FBD48/303, and LPC1115JBD48/303-as confirmed by identical pin descriptions and shared pin configuration diagrams in the official datasheet (Figures 3 and 4).
LPC1114JBD48/333QL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 48-LQFP
- Series:
- LPC1100XL
- 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:
- 56KB (56K 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
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
LPC1114JBD48/333QL FAQ
1.How can I place an order for LPC1114JBD48/333QL through Aetrix?
Please submit a Request for Quotation (RFQ) for LPC1114JBD48/333QL 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 LPC1114JBD48/333QL reliable?
The price and inventory of LPC1114JBD48/333QL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPC1114JBD48/333QL is usually 5 days.
3.What payment methods are accepted for LPC1114JBD48/333QL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPC1114JBD48/333QL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPC1114JBD48/333QL?
LPC1114JBD48/333QL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPC1114JBD48/333QL 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 LPC1114JBD48/333QL?
For technical support, including LPC1114JBD48/333QL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPC1114JBD48/333QL requirements.
6.How does Aetrix verify that LPC1114JBD48/333QL is sourced from the original manufacturer or authorized distributors?
All LPC1114JBD48/333QL 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 LPC1114JBD48/333QL meets industry standards.
7.What is the process for return or replacement of LPC1114JBD48/333QL?
All LPC1114JBD48/333QL units undergo pre-shipment inspection (PSI). If there is an issue with LPC1114JBD48/333QL, 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 LPC1114JBD48/333QL part is unused and in its original packaging.
Return procedure for LPC1114JBD48/333QL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LPC1114JBD48/333QL Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
