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NXP Semiconductors LPC11A14FHN33/301,
- Part No.:
- LPC11A14FHN33/301,
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 32-VQFN Exposed Pad
- Datasheet:
-
LPC11A14FHN33/301,.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 32HVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:260
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Product details
Overview
LPC11A14FHN33/301 from NXP Semiconductors is a 32-bit ARM Cortex-M0 microcontroller in HVQFN33 (7 × 7 mm) package, operating up to 50 MHz with 32 kB flash, 8 kB SRAM, and 4 kB EEPROM. It integrates a 10-bit ADC (8 channels), 10-bit DAC, analog comparator, temperature sensor, and UART/SSP/I²C interfaces - designed for industrial control, remote monitoring, and precision instrumentation.
For engineers reviewing the LPC11A14FHN33/301 datasheet, LPC11A14FHN33/301 pinout, LPC11A14FHN33/301 application, or LPC11A14FHN33/301 equivalent, key selection criteria include its 28 GPIO pins with configurable glitch filtering, 50 MHz CPU clock, integrated analog subsystem, SWD debug interface, and support for RS-485/USART and Fast-mode Plus I²C at 1 Mbit/s.
Technical Context
The LPC11A14FHN33/301 implements an ARM Cortex-M0 core with NVIC and system tick timer, paired with a flexible clock system including 12 MHz ±1% IRC oscillator, crystal oscillator (1–25 MHz), and PLL for full-speed operation. Its memory subsystem includes boot ROM with integer division and I²C driver routines, enabling efficient firmware development.
Analog/mixed-signal functionality is software-configurable: the 10-bit ADC supports multiplexed inputs across 8 pins with programmable triggers; the 10-bit DAC offers flexible conversion timing; and the analog comparator features a programmable reference voltage. Power management includes ARM Sleep mode, POR/BOD, and UVLO protection below 2.4 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M0, 32-bit RISC, up to 50 MHz - delivers 8/16-bit MCU code efficiency with 32-bit performance. |
| Memory | 32 kB flash (in-system programmable), 8 kB SRAM, 4 kB EEPROM (byte-erasable) - enables robust firmware storage and nonvolatile data logging. |
| Analog Peripherals | 10-bit ADC (8-channel), 10-bit DAC, analog comparator with programmable reference, temperature sensor - supports closed-loop sensing and actuation without external components. |
| Digital Interfaces | 1× USART (RS-485/EIA-485 capable), 2× SSP (SPI/SSI), 1× I²C-bus (Fast-mode Plus, 1 Mbit/s) - provides industrial bus interoperability and multi-protocol peripheral control. |
| GPIO & Timers | 28 GPIO pins (HVQFN33 package), 4× general-purpose timers (16-/32-bit), programmable Windowed Watchdog Timer - enables precise timing, interrupt-driven I/O, and fail-safe system supervision. |
| Power & Environment | Single 3.3 V supply (2.6–3.6 V), −40 °C to +85 °C operating range, UnderVoltage LockOut (UVLO) at 2.4 V - ensures reliable operation in industrial environments. |
Pinout & Package
HVQFN33 package: plastic thermal-enhanced very thin quad flat package, no leads, 33 terminals, body size 7 × 7 × 0.85 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PIO0_0 | Reset input / GPIO | Active-low external reset with fixed 20 ns glitch filter; default GPIO after reset with internal pull-up enabled. |
| PIO0_2 / PIO0_3 | I²C SCL / SDA | True open-drain pins supporting Fast-mode Plus I²C (1 Mbit/s); configurable high-current sink (20 mA). |
| PIO0_5 / PIO0_10 | SWDCLK / SWDIO | Primary Serial Wire Debug interface - enables low-pin-count, high-reliability programming and real-time debugging. |
| PIO0_6 – PIO0_15 | ADC inputs AD0–AD7 | Eight dedicated analog input channels mapped to GPIO pins; no external mux required for full 8-channel acquisition. |
| PIO0_4 | DAC output AOUT | 10-bit buffered analog voltage output - directly drives sensors, actuators, or reference circuits without external amplification. |
Key Features
| Feature | Design Value |
|---|---|
| ARM Cortex-M0 core | Delivers deterministic real-time response with nested vectored interrupts and low-latency exception handling for time-critical control loops. |
| In-Application Programming (IAP) | Enables field firmware updates via USART or I²C without external programmer - critical for remote device maintenance. |
| Configurable digital input glitch filters | 10 ns or 50 ns filtering on up to 16 GPIO pins - eliminates noise-induced spurious interrupts in electrically noisy industrial settings. |
| Integrated analog subsystem | Combines ADC, DAC, comparator, temperature sensor, and internal voltage reference - reduces BOM count and PCB area in sensor interface designs. |
| Programmable Windowed Watchdog Timer (WWDT) | Prevents runaway code execution with windowed timeout enforcement and dedicated low-power oscillator - enhances functional safety compliance. |
Applications
| Industrial Control | Remote Monitoring |
|---|---|
Use Scenario: PLC I/O module managing motor start/stop, valve position feedback, and analog process signals in factory automation. IC Role / Device Role / Timing Role: Main controller executing ladder logic, sampling 8-channel analog inputs at 100 kSPS, driving RS-485 fieldbus communication. Use Value: Integrated 10-bit ADC/DAC and RS-485 USART eliminate external signal conditioning ICs and transceivers, reducing component count by ≥4. | Use Scenario: Battery-powered environmental sensor node measuring temperature, humidity, and air quality in smart building HVAC systems. IC Role / Device Role / Timing Role: Low-power host MCU acquiring sensor data via I²C, performing local threshold checks, and transmitting alerts over RS-485. Use Value: 2.6–3.6 V single-supply operation, ARM Sleep mode, and integrated temperature sensor enable >5-year battery life with no external references. |
| Medical Instrumentation | Precision Instrumentation |
Use Scenario: Portable blood glucose meter requiring calibrated analog front-end, user interface, and USB-to-serial bridge for data upload. IC Role / Device Role / Timing Role: Signal acquisition controller interfacing electrochemical sensor, computing glucose concentration, and managing display and serial communication. Use Value: On-chip 10-bit ADC with programmable gain and internal voltage reference ensure ±1.5% measurement accuracy without trimming resistors. | Use Scenario: Benchtop multimeter with auto-ranging, true RMS calculation, and isolated communication interface. IC Role / Device Role / Timing Role: Precision analog acquisition engine digitizing mV-level signals, performing real-time math, and formatting data for display or PC transfer. Use Value: Matched 10-bit ADC/DAC pair and analog comparator allow self-calibration routines and reference voltage validation within firmware. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LPC11U14FHN33/301 | Same package and pinout; adds USB 2.0 device controller and enhanced bootloader - requires additional USB PHY and layout space. | Required where host-side USB connectivity (e.g., HID, CDC) replaces RS-485 or UART-based PC interface. | Select when native USB device capability is mandatory; otherwise, LPC11A14FHN33/301 offers lower cost and simpler power design. |
| STM32F030F4P6 | 48-pin TSSOP; 16 kB flash, 4 kB SRAM, no EEPROM; 12-bit ADC (9 channels), no DAC; lacks analog comparator and temperature sensor. | Suitable for cost-sensitive, low-complexity control tasks without mixed-signal requirements or nonvolatile parameter storage. | Choose for basic GPIO/timer applications where analog integration and EEPROM are unnecessary - avoids over-specification. |
Compared with LPC11U14FHN33/301, the LPC11A14FHN33/301 reduces BOM cost by omitting USB PHY support while retaining identical analog peripherals and EEPROM; versus STM32F030F4P6, it delivers higher memory density, integrated DAC/comparator, and field-upgradable firmware via IAP - making it superior for sensor-rich, maintenance-aware industrial designs.
Availability
LPC11A14FHN33/301 is available at Aetrix Electronics and suitable for industrial control, remote monitoring, and medical instrumentation requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for LPC11A14FHN33/301 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 LPC11Axx product line was engineered for cost-sensitive, low-power embedded systems requiring integrated analog functionality and ARM Cortex-M0 efficiency - targeting industrial automation, sensor nodes, and portable instrumentation.
FAQ
What is the maximum operating frequency of the LPC11A14FHN33/301?
The LPC11A14FHN33/301 operates at a maximum CPU frequency of 50 MHz, achievable using the internal 12 MHz ±1% IRC oscillator with PLL multiplication, external crystal (1–25 MHz), or external clock source. This frequency is fully supported across the specified −40 °C to +85 °C temperature range and 2.6–3.6 V supply voltage.
Does the LPC11A14FHN33/301 include EEPROM memory, and what are its write characteristics?
Yes, the LPC11A14FHN33/301 includes 4 kB of on-chip EEPROM memory that is byte-erasable and byte-programmable. It supports In-Application Programming (IAP) via the on-chip bootloader, enabling firmware or calibration data updates during runtime without halting main application execution.
How many analog input channels does the 10-bit ADC support on the LPC11A14FHN33/301?
The LPC11A14FHN33/301 features a 10-bit ADC with input multiplexing across 8 dedicated pins (AD0–AD7), all accessible via GPIO ports 0 and 1. These channels are software-selectable and support programmable conversion triggers from timers or external events - confirmed in Table 2 and Section 6.2 of the official datasheet.
What debug interface does the LPC11A14FHN33/301 support, and which pins are used?
The LPC11A14FHN33/301 supports Serial Wire Debug (SWD) as the primary debug interface, using PIO0_5 (SWCLK) and PIO0_10 (SWDIO) on the HVQFN33 package. JTAG boundary scan is also supported via TRST, TCK, TDI, TDO, and TMS pins - both interfaces are active simultaneously and require no configuration change.
Is the LPC11A14FHN33/301 pin-compatible with other members of the LPC11Axx family in the same HVQFN33 package?
Yes, the LPC11A14FHN33/301 shares identical pinout and package dimensions (HVQFN33, 7 × 7 × 0.85 mm) with LPC11A11FHN33/001, LPC11A12FHN33/101, and LPC11A13FHI33/201. All share the same GPIO mapping, peripheral pin assignments, and power/ground terminal locations - enabling hardware reuse across memory variants.
LPC11A14FHN33/301, Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 32-VQFN Exposed Pad
- Series:
- LPC11Axx
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0
- Core Size:
- 32-Bit Single-Core
- Speed:
- 50MHz
- Connectivity:
- I2C, Microwire, SPI, SSI, SSP, 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:
- 4K x 8
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.6V ~ 3.6V
- Data Converters:
- A/D 8x10b; D/A 1x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
LPC11A14FHN33/301, FAQ
1.How can I place an order for LPC11A14FHN33/301, through Aetrix?
Please submit a Request for Quotation (RFQ) for LPC11A14FHN33/301, 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 LPC11A14FHN33/301, reliable?
The price and inventory of LPC11A14FHN33/301, are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPC11A14FHN33/301, is usually 5 days.
3.What payment methods are accepted for LPC11A14FHN33/301,?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPC11A14FHN33/301, transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPC11A14FHN33/301,?
LPC11A14FHN33/301, orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPC11A14FHN33/301, 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 LPC11A14FHN33/301,?
For technical support, including LPC11A14FHN33/301, datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPC11A14FHN33/301, requirements.
6.How does Aetrix verify that LPC11A14FHN33/301, is sourced from the original manufacturer or authorized distributors?
All LPC11A14FHN33/301, 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 LPC11A14FHN33/301, meets industry standards.
7.What is the process for return or replacement of LPC11A14FHN33/301,?
All LPC11A14FHN33/301, units undergo pre-shipment inspection (PSI). If there is an issue with LPC11A14FHN33/301,, 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 LPC11A14FHN33/301, part is unused and in its original packaging.
Return procedure for LPC11A14FHN33/301,:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LPC11A14FHN33/301, Tags
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ATTINY4-TSHR
Microchip Technology
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ATTINY10-TSHR
Microchip Technology
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ATTINY10-TS8R
Microchip Technology
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ATTINY202-SSNR
Microchip Technology
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ATTINY202-SSFR
Microchip Technology
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ATTINY402-SSNR
Microchip Technology
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PIC16F15213T-I/MF
Microchip Technology
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PIC16F15213-E/MF
Microchip Technology
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PIC10F200T-I/OT
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ATTINY412-SSNR
Microchip Technology
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PIC10F202T-I/OT
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ATTINY404-SSNR
Microchip Technology
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