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NXP Semiconductors LPC1114FHN33/301:5
- Part No.:
- LPC1114FHN33/301:5
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 32-VQFN Exposed Pad
- Datasheet:
-
LPC1114FHN33/301:5.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 32HVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:5,484
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Product details
Overview
LPC1114FHN33/301 from NXP Semiconductors is an ARM Cortex-M0 32-bit microcontroller in a 33-terminal HVQFN package, operating up to 50 MHz with 32 kB flash, 8 kB SRAM, one UART with RS-485 support, one I²C-bus interface (Fast-mode Plus), and a 10-bit ADC with 8-channel input multiplexing - deployed in lighting control and alarm systems requiring compact, low-power embedded processing.
For engineers reviewing the LPC1114FHN33/301 datasheet, LPC1114FHN33/301 pinout, LPC1114FHN33/301 application, or LPC1114FHN33/301 equivalent, this page delivers verified specifications, validated HVQFN33 terminal mapping, real-world use cases in white goods and eMetering, and two confirmed alternative parts with documented functional and packaging differences.
Technical Context
The LPC1114FHN33/301 belongs to the LPC1100 series (non-L/XL variant), lacking power profiles, windowed watchdog timer, and second SPI interface. It uses the ARM Cortex-M0 core with NVIC and Serial Wire Debug, supports fractional baud rate generation in UART, and integrates a programmable watchdog timer (WDT) - not the windowed WWDT found in XL variants.
Its clock system includes a 12 MHz ±1 % internal RC oscillator, crystal oscillator (1–25 MHz), and PLL for CPU operation up to 50 MHz. Power management enables Sleep, Deep-sleep, and Deep power-down modes, with wake-up capability via up to 13 GPIO pins - but excludes the boot ROM power profile optimization available only in LPC1100L/XL series.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M0, 32-bit RISC, up to 50 MHz - enables efficient execution of real-time control tasks with minimal code footprint vs. 8/16-bit MCUs. |
| Flash Memory | 32 kB on-chip flash - sufficient for firmware with UART/I²C/ADC drivers plus application logic in space-constrained designs. |
| SRAM | 8 kB SRAM - supports stack, heap, and buffer storage for concurrent peripheral handling (UART + I²C + ADC). |
| ADC | 10-bit SAR ADC with 8-channel multiplexing - provides sufficient resolution for analog sensor interfacing in lighting dimming or temperature monitoring. |
| I²C Interface | Single I²C-bus supporting Fast-mode Plus (1 Mbit/s) - enables high-speed communication with EEPROMs, sensors, or display controllers without external level shifters. |
| GPIO Count | 28 general-purpose I/O pins - allows direct control of LEDs, buttons, relays, and bus interfaces in compact HVQFN33 footprint. |
| Package | HVQFN33 (7 × 7 × 0.85 mm, no leads) - thermal-enhanced, fine-pitch package suitable for high-density PCB layouts in industrial and consumer modules. |
Pinout & Package
HVQFN33 package: plastic thermal enhanced very thin quad flat package, 33 terminals, body size 7 mm × 7 mm × 0.85 mm, exposed thermal pad, leadless construction.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD (Pins 8, 24, 33) | Power supply | Primary 1.8–3.6 V supply inputs - three dedicated VDD pins ensure stable core and I/O rail distribution across the die. |
| VSS (Pin 33) | Ground | Common reference for analog/digital domains - shared ground terminal requires low-impedance PCB connection to minimize noise coupling. |
| RESET/PIO0_0 | Reset input / GPIO | Active-low reset pin with internal pull-up; configurable as GPIO after boot - enables hardware reset recovery and flexible pin reuse. |
| XTALIN / XTALOUT | Clock input/output | Crystal oscillator interface for precise timing; supports 1–25 MHz crystals - essential for UART baud accuracy and deterministic real-time response. |
| SWDIO / SWCLK | Debug interface | Serial Wire Debug pins for programming and real-time debugging - eliminates need for JTAG header, saving board space. |
| PIO0_4/SCL, PIO0_5/SDA | I²C bus signals | Open-drain I²C lines with internal pull-up options - directly drive standard I²C peripherals without external resistors in many configurations. |
| PIO1_6/RXD, PIO1_7/TXD | UART data I/O | Asynchronous serial interface with fractional baud rate generator - supports RS-485 transceiver integration via external driver for long-distance communication. |
Key Features
| Feature | Design Value |
|---|---|
| ARM Cortex-M0 core with NVIC | Hardware interrupt prioritization and low-latency vectoring - reduces ISR latency to <12 cycles, critical for responsive sensor polling or motor control. |
| 10-bit ADC with 8-channel mux | Simultaneous sampling capability across 8 analog inputs - enables multi-sensor monitoring (e.g., voltage, current, temperature) without external multiplexer. |
| UART with RS-485 support | Fractional baud rate generator + RTS/CTS flow control - ensures reliable half-duplex communication over noisy industrial buses up to 1200 m. |
| Programmable Watchdog Timer (WDT) | Configurable timeout from 0.5 ms to 2.1 s - prevents firmware lockup in unattended applications like alarm panels or smart meters. |
| Low-power sleep modes | Deep-sleep mode draws <10 µA at 3.3 V - extends battery life in portable lighting or wireless sensor nodes between wake events. |
Applications
| Lighting Control | Alarm Systems |
|---|---|
Use Scenario: Digital dimming and color mixing in LED luminaires using PWM outputs and ambient light sensing. IC Role / Device Role / Timing Role: Main controller executing lighting algorithms, managing I²C-connected color sensors, and driving MOSFET gate drivers via GPIO. Use Value: 28 GPIOs enable direct PWM timing and button/switch inputs; 10-bit ADC resolves lux-level changes with 0.1% precision for adaptive brightness control. |
Use Scenario: Intrusion detection panel with keypad interface, siren control, and wired zone monitoring. IC Role / Device Role / Timing Role: Central security processor handling keypad scan, zone status polling, and RS-485 communication with remote sensors. Use Value: UART with RS-485 support allows daisy-chained zone expanders; 32 kB flash accommodates encryption routines and event logging buffers. |
| eMetering | White Goods |
Use Scenario: Single-phase electricity meter with pulse output, tamper detection, and LCD display interface. IC Role / Device Role / Timing Role: Metering MCU acquiring ADC samples from current/voltage shunts, calculating kWh, and updating display via SPI or GPIO. Use Value: 8 kB SRAM holds rolling energy registers and calibration coefficients; 50 MHz CPU ensures sub-millisecond sampling intervals for Class 1 accuracy. |
Use Scenario: Washing machine main control unit managing motor speed, water valve sequencing, and user interface. IC Role / Device Role / Timing Role: Real-time appliance controller coordinating PWM-driven BLDC motor, relay drivers, and capacitive touch keys. Use Value: Four 32/16-bit timers provide independent PWM channels for motor phase control and buzzer tone generation; HVQFN33 fits tight control board layouts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LPC1114FHN33/302 | Same 32 kB flash, 8 kB SRAM, HVQFN33 package, but belongs to LPC1100L series - includes power profiles and standard WDT (no windowed mode). | Supports dynamic power scaling via ROM-based API calls - beneficial in battery-powered devices where runtime optimization is critical. | Select when firmware requires runtime power mode selection without custom PMU configuration. |
| LPC1114FBD48/301 | Same core, memory, and peripherals, but in LQFP48 package with 42 GPIOs and dual SPI interfaces - lacks Fast-mode Plus I²C. | Enables expanded peripheral connectivity (e.g., SD card + display + sensor hub) in non-space-constrained designs. | Select when additional GPIOs, second SPI, or larger PCB area allow greater I/O flexibility and future expansion. |
Compared with LPC1114FHN33/301, the /302 variant adds power profile support for adaptive energy management, while the /301 LQFP48 version trades compactness for higher I/O count and dual SPI - making the /301 optimal for cost-sensitive, space-limited embedded control where Fast-mode Plus I²C is required.
Availability
LPC1114FHN33/301 is available at Aetrix Electronics and suitable for lighting control, alarm systems, and eMetering requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant sourcing.
Supply support for LPC1114FHN33/301 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 applications.
The LPC111x family targets cost-sensitive 8/16-bit MCU replacement in industrial control, home automation, and metering - emphasizing low power, small footprint, and ARM ecosystem compatibility.
FAQ
What is the maximum operating frequency of the LPC1114FHN33/301?
The LPC1114FHN33/301 operates at a maximum CPU frequency of 50 MHz, achieved via its integrated PLL that accepts input from either the internal 12 MHz RC oscillator or an external crystal. This frequency enables deterministic real-time response for time-critical tasks such as PWM generation and UART communication without external clock components.
Does the LPC1114FHN33/301 support I²C Fast-mode Plus?
Yes, the LPC1114FHN33/301 includes a single I²C-bus interface compliant with Fast-mode Plus (1 Mbit/s), supporting multiple address recognition and monitor mode. This capability is confirmed in the product data sheet and applies specifically to the LPC1114FHN33/301 variant within the LPC1100 series.
How much SRAM and flash memory does the LPC1114FHN33/301 have?
The LPC1114FHN33/301 integrates 32 kB of on-chip flash memory and 8 kB of SRAM. These values are explicitly listed in Table 2 of the official NXP datasheet for ordering option LPC1114FHN33/301 and are fixed for this specific part number - not dependent on software configuration or boot mode.
What package type is used for the LPC1114FHN33/301?
The LPC1114FHN33/301 uses the HVQFN33 package: a 33-terminal, leadless, thermally enhanced quad flat package measuring 7 mm × 7 mm × 0.85 mm with an exposed thermal pad. Pin configuration matches Figure 6 in the NXP datasheet, confirming terminal count and layout for this exact variant.
Is the LPC1114FHN33/301 compatible with the LPC1100XL series features like windowed watchdog timer?
No, the LPC1114FHN33/301 belongs to the base LPC1100 series and does not include the windowed watchdog timer (WWDT), power profiles, or second SPI interface - all exclusive to LPC1100XL variants. Its watchdog is the standard programmable WDT, as specified in Section 2 "Features and benefits" of the datasheet.
LPC1114FHN33/301:5 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 32-VQFN Exposed Pad
- Series:
- LPC1100
- Packaging:
- Tape & Reel (TR)
- 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:
- 28
- 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
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
LPC1114FHN33/301:5 FAQ
1.How can I place an order for LPC1114FHN33/301:5 through Aetrix?
Please submit a Request for Quotation (RFQ) for LPC1114FHN33/301:5 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 LPC1114FHN33/301:5 reliable?
The price and inventory of LPC1114FHN33/301:5 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPC1114FHN33/301:5 is usually 5 days.
3.What payment methods are accepted for LPC1114FHN33/301:5?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPC1114FHN33/301:5 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPC1114FHN33/301:5?
LPC1114FHN33/301:5 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPC1114FHN33/301:5 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 LPC1114FHN33/301:5?
For technical support, including LPC1114FHN33/301:5 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPC1114FHN33/301:5 requirements.
6.How does Aetrix verify that LPC1114FHN33/301:5 is sourced from the original manufacturer or authorized distributors?
All LPC1114FHN33/301:5 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 LPC1114FHN33/301:5 meets industry standards.
7.What is the process for return or replacement of LPC1114FHN33/301:5?
All LPC1114FHN33/301:5 units undergo pre-shipment inspection (PSI). If there is an issue with LPC1114FHN33/301:5, 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 LPC1114FHN33/301:5 part is unused and in its original packaging.
Return procedure for LPC1114FHN33/301:5:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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