LPC11C14FBD48/301 - 32KB Flash Cortex-M0 MCU w/ CAN | NXP
MPN: LPC11C14FBD48/301 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.78 | $4.78 |
| 10 | $4.31 | $43.10 |
| 100 | $3.84 | $384.00 |
| 500 | $3.45 | $1,725.00 |
| 1,000 | $3.05 | $3,050.00 |
LPC11C14FBD48/301 Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (flash), volatile data memory (SRAM), and peripherals such as timers, communication interfaces, and analog blocks into one package. MCUs sit at the bottom of the embedded computing hierarchy: MCU -> microcontroller -> embedded processor -> semiconductor device. The Cortex-M0 class represents the smallest, lowest-power variant of the ARMv6-M architecture, with deterministic interrupt handling that makes it well-suited for real-time control. The on-chip C_CAN conforms to the ISO 11898-1 CAN 2.0B standard, eliminating the need for an external CAN transceiver controller in bus-node designs.
Key features include a 50 MHz Cortex-M0 core with single-cycle multiplier, 32 KB flash with In-System Programming (ISP) and In-Application Programming (IAP), 8 KB SRAM, a 12 MHz internal RC oscillator trimmable to 1% accuracy, an integrated C_CAN 2.0B controller, one SSP/SPI, one I2C, one UART, four general-purpose timers, a 10-bit ADC with up to 8 input channels, and a windowed watchdog timer. Power consumption is rated at approximately 10 mA active and 1 mA in deep-sleep mode at 3.3 V.
The architecture uses a 3-stage pipeline with the ARMv6-M Thumb instruction set. Code density is significantly improved over 8/16-bit cores, allowing more functionality in the same 32 KB flash budget. The integrated C_CAN block uses 256-byte message RAM, supporting both standard (11-bit) and extended (29-bit) identifiers, which simplifies fieldbus node designs. The 12 MHz IRC can be trimmed in software to within 1% across the full operating range, often eliminating the need for an external crystal.
Typical applications include CAN node endpoints in industrial automation, e-metering and smart metering, LED lighting controllers, alarm system panels, white goods, sensor hubs, and low-cost building-automation gateways. The integrated CAN controller is the standout feature in this price/performance class - the part is positioned wherever an 8-bit MCU is being replaced but a CAN interface is also required.
When designing with this MCU, place a 100 nF decoupling capacitor adjacent to each VDD pin and connect all VSS pins to a solid ground plane to reduce digital switching noise coupling into the ADC. The CAN TXD/RXD lines still require an external 3.3 V CAN transceiver such as the TJA1050 or SN65HVD230 to drive the bus.
This page synthesizes distributor pricing, drop-in LPC11xx alternatives, design notes, and application guidance that is not consolidated in the manufacturer datasheet, helping engineers and procurement teams evaluate the LPC11C14FBD48/301 in a single view.
Drop-in alternatives for LPC11C14FBD48/301 — 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 LPC11C14FBD48/301 (same form factor and footprint) — differing in Package, Program Memory (Flash), Timers, Operating Temperature, ADC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
LPC11C24FBD48/301
✅ Drop-In📋 Reference alternative (not in catalog)
LPC1114FBD48/301
✅ Drop-In📋 Reference alternative (not in catalog)
LPC1115FBD48/301
✅ Drop-In📋 Reference alternative (not in catalog)
LPC1549FBD48
✅ Drop-In📋 Reference alternative (not in catalog)
STM32F030C8T6
✅ Drop-In✓ In Stock
$0.98 / Unit
View Datasheet →STM32F042C8T6
✅ Drop-In📋 Reference alternative (not in catalog)
LPC11C14FBD48/301 Maximum Ratings & Electrical Characteristics
| Core | ARM Cortex-M0 |
| Core Size | 32-Bit Single-Core |
| Max CPU Frequency | 50 MHz |
| Program Memory (Flash) | 32 KB (32K x 8) |
| RAM | 8 KB |
| Package | 48-LQFP (7x7 mm) |
| Mounting Type | Surface Mount |
| Operating Voltage | 1.8 V to 3.6 V |
| CAN Interface | C_CAN 2.0B (ISO 11898-1) |
| ADC | 10-bit, up to 8 channels |
| Timers | 4 general-purpose + WDT |
| Communication | 1x UART, 1x I2C, 1x SSP/SPI |
| Operating Temperature | -40C to +85C |
| MSL Level | 1 (unlimited) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
LPC11C14FBD48/301 Pin Configuration
| Pin 1 | VDD — Power supply (3.3V) |
| Pin 2 | PIO0_1/AD1/CT16B0_CAP0 — GPIO / ADC1 ch / Timer capture |
| Pin 3 | PIO1_8/CT16B0_MAT0 — GPIO / Timer0 match output |
| Pin 4 | RST/ISP — Reset / ISP entry |
| Pin 5 | PIO1_9 — General-purpose I/O |
| Pin 6 | PIO1_10 — General-purpose I/O |
| Pin 7 | PIO1_11 — General-purpose I/O |
| Pin 8 | PIO1_12 — General-purpose I/O |
| Pin 9 | PIO0_2/SSEL0/CT16B0_CAP1 — SSP0 slave select / Timer capture |
| Pin 10 | PIO0_3/MOSI0 — SSP0 MOSI (SPI master out / slave in) |
| Pin 11 | PIO0_4/MISO0 — SSP0 MISO (SPI master in / slave out) |
| Pin 12 | PIO0_5/SCK0 — SSP0 SCK (SPI clock) |
| Pin 13 | PIO0_6/SCL — I2C clock |
| Pin 14 | PIO0_7/SDA — I2C data |
| Pin 15 | PIO0_8/CT16B0_MAT2 — GPIO / Timer0 match output |
| Pin 16 | PIO0_9/CT16B0_MAT1 — GPIO / Timer0 match output |
| Pin 17 | VSS — Ground |
| Pin 18 | PIO0_10/AD2 — GPIO / ADC2 input |
| Pin 19 | PIO0_11/AD3 — GPIO / ADC3 input |
| Pin 20 | PIO1_0/AD4 — GPIO / ADC4 input |
| Pin 21 | PIO1_1/AD5 — GPIO / ADC5 input |
| Pin 22 | PIO1_2/AD6 — GPIO / ADC6 input |
| Pin 23 | PIO1_3/AD7 — GPIO / ADC7 input |
| Pin 24 | PIO1_4/AD8 — GPIO / ADC8 input |
| Pin 25 | PIO1_5/RXD — UART receive |
| Pin 26 | PIO1_6/TXD — UART transmit |
| Pin 27 | PIO1_7 — General-purpose I/O |
| Pin 28 | VDD — Power supply (3.3V) |
| Pin 29 | VSS — Ground |
| Pin 30 | PIO0_0/RXD1/CT32B0_CAP0 — GPIO / UART1 RX / Timer capture |
| Pin 31 | PIO1_13 — General-purpose I/O |
| Pin 32 | PIO1_14 — General-purpose I/O |
| Pin 33 | PIO1_15 — General-purpose I/O |
| Pin 34 | PIO0_12 — General-purpose I/O |
| Pin 35 | PIO0_13 — General-purpose I/O |
| Pin 36 | PIO0_14 — General-purpose I/O |
| Pin 37 | PIO0_15 — General-purpose I/O |
| Pin 38 | PIO1_16 — General-purpose I/O |
| Pin 39 | PIO1_17 — General-purpose I/O |
| Pin 40 | PIO1_18 — General-purpose I/O |
| Pin 41 | PIO1_19 — General-purpose I/O |
| Pin 42 | PIO1_20 — General-purpose I/O |
| Pin 43 | CAN_RXD — C_CAN receive data |
| Pin 44 | CAN_TXD — C_CAN transmit data |
| Pin 45 | PIO1_21 — General-purpose I/O |
| Pin 46 | PIO1_22 — General-purpose I/O |
| Pin 47 | PIO1_23 — General-purpose I/O |
| Pin 48 | PIO1_24 — General-purpose I/O |
Typical Applications
LPC11C14FBD48/301 is suitable for 7 applications: CAN Bus Node in Industrial Automation, Smart Electric Meter (e-Metering) Endpoint, LED Lighting Controllers and Dimmers, Alarm and Security System Panels, White Goods and Appliance Control, Building Automation Gateways and HVAC Nodes, Low-Cost 8/16-Bit MCU Replacement.
CAN Bus Node in Industrial Automation
The LPC11C14FBD48/301 is purpose-built for slave nodes on industrial CAN networks such as CANopen and DeviceNet. Its integrated C_CAN 2.0B controller supports standard 11-bit and extended 29-bit identifiers with a 256-byte message RAM, eliminating the need for an external CAN controller IC and shrinking BOM count. With the Cortex-M0 core running at 50 MHz and 32 KB of flash, the part has enough headroom for a CANopen stack plus application logic. Place an external 3.3 V transceiver such as the TJA1050 between the MCU's CAN_RXD/CAN_TXD pins and the bus, and use the Cortex-M0's NVIC for deterministic handling of CAN receive interrupts.
Recommended
Smart Electric Meter (e-Metering) Endpoint
Smart electricity meters require a low-cost, deterministic MCU to drive measurement loops and provide a remote communication interface. The LPC11C14FBD48/301 fits the metering endpoint role with its 10-bit ADC (sufficient for energy-monitor front-ends when paired with dedicated metering ICs), 32 KB flash for application and calibration code, and an integrated C_CAN for AMR/AMI backhaul. The Cortex-M0 core gives predictable interrupt latency, critical for time-stamping consumption events. Use the 12 MHz internal RC oscillator trimmable to 1% to keep BOM cost low when no crystal is needed.
Recommended
LED Lighting Controllers and Dimmers
Commercial LED lighting systems increasingly use CAN or DMX-style buses for fixture control, and the LPC11C14FBD48/301 provides enough processing power plus the on-chip CAN controller to drive dimmer nodes. The 50 MHz Cortex-M0 can run PWM outputs at the high frequencies needed for analog-style dimming without visible flicker, and the 10-bit ADC reads photocells or feedback signals. With 32 KB of flash, lighting profile and color-mixing algorithms fit comfortably. The 48-LQFP package fits small driver enclosures and is easy to hand-solder for prototype runs.
Recommended
Alarm and Security System Panels
Alarm panels benefit from the LPC11C14FBD48/301's combination of integrated CAN for inter-panel networking, GPIO-rich LQFP-48 for zone inputs and siren outputs, and Cortex-M0 deterministic interrupt response. The 32 KB flash holds panel firmware plus a small RF or CAN communication stack, and the 8 KB SRAM buffers sensor events before logging. The on-chip 12 MHz RC oscillator can drive the part without an external crystal in cost-sensitive panel designs. Use one of the SSP/SPI peripherals to interface to external secure elements or encrypted keypads.
Recommended
White Goods and Appliance Control
Washing machines, dishwashers, and ovens require a low-cost MCU with motor-control timers and a simple networking interface for diagnostics. The LPC11C14FBD48/301 fits with its four general-purpose timers, 10-bit ADC for temperature or motor-current sensing, and integrated CAN bus for service-tool interfaces. The Cortex-M0 core handles brushless-DC commutation algorithms at modest PWM frequencies, and the 32 KB flash stores appliance firmware plus factory calibration. The LQFP-48 package is widely accepted by appliance manufacturers using hand or reflow soldering.
Recommended
Building Automation Gateways and HVAC Nodes
BACnet, CAN, and proprietary bus networks are common in HVAC and building automation, and the LPC11C14FBD48/301 serves as a compact sensor/actuator node on these buses. The integrated C_CAN supports CAN-based HVAC protocols directly, and the Cortex-M0 core runs PID loops for damper and valve control. With 32 KB flash and 8 KB SRAM, the part can hold both the communication stack and the control loop code. The 10-bit ADC reads temperature or pressure sensors and the UART peripheral connects to local LCD/keypad user interfaces.
Recommended
Low-Cost 8/16-Bit MCU Replacement
Many legacy 8051, PIC16/18, and HCS08 designs can be upgraded to the LPC11C14FBD48/301 with minimal firmware rewriting thanks to the Cortex-M0's Thumb instruction set, which yields smaller code size than typical 8-bit cores. The 32 KB flash provides more headroom than 8-bit parts in the same price tier, and 8 KB SRAM buffers larger data sets. The Cortex-M0 core executes instructions mostly in a single cycle, giving a 3-5x performance uplift over typical 8051 designs at the same clock rate. The LQFP-48 footprint gives pin flexibility for migrating designs that previously used larger 8-bit packages.
Recommended
Recommended Products Summary
Engineering reference data for LPC11C14FBD48/301 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | LPC11C24FBD48/301 | LPC1114FBD48/301 | LPC1115FBD48/301 | LPC1549FBD48 | STM32F030C8T6 | STM32F042C8T6 |
|---|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | STMicroelectronics | STMicroelectronics |
| Package | 48-LQFP (7x7 mm) | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same |
| Core | ARM Cortex-M0 | ARM Cortex-M0 | ARM Cortex-M0 | ARM Cortex-M0 | ARM Cortex-M3 | ARM Cortex-M0 | ARM Cortex-M0 |
| Max CPU Frequency | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 72 MHz | 48 MHz | 48 MHz |
| Flash | 32 KB | 64 KB | 32 KB | 64 KB | 256 KB | 64 KB | 64 KB |
| SRAM | 8 KB | 8 KB | 8 KB | 8 KB | 36 KB | 8 KB | 8 KB |
| Integrated CAN Controller | Yes (C_CAN 2.0B) | Yes (C_CAN 2.0B) | No | No | Yes | No | No |
| ADC | 10-bit, 8 channels | 10-bit, 8 channels | 10-bit, 8 channels | 10-bit, 12 channels | 12-bit, 16 channels | 12-bit, 10 channels | 12-bit, 10 channels |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.4 V to 3.6 V | 2.4 V to 3.6 V | 2.0 V to 3.6 V |
Key Differentiators
- Integrated C_CAN 2.0B controller with 256-byte message RAM (vs LPC1114FBD48/301)
- Same 48-LQFP footprint with double the flash (vs LPC11C24FBD48/301)
- Cortex-M0 class with single-cycle multiplier (vs STM32F030C8T6)
- Drop-in upgrade to Cortex-M3 (vs LPC1549FBD48)
Design Notes
Place a 100 nF decoupling capacitor adjacent to each of the two VDD pins (1 and 28) and connect both VSS pins (17 and 29) directly to the ground plane with short traces. Add a bulk 10 uF tantalum or aluminum-polymer capacitor on the 3.3 V rail near the MCU. The LPC11C14FBD48/301 draws approximately 10 mA in active mode at 50 MHz and 1 mA in deep-sleep mode, so a low-dropout 3.3 V regulator such as the LM1117 or LP38690 is sufficient. If the design also powers an external CAN transceiver, ensure the regulator can source at least 70 mA peak.
The integrated C_CAN controller is digital-only; the bus still requires an external 3.3 V CAN transceiver such as the TJA1050, SN65HVD230, or MCP2551 to drive the physical differential bus. Do not connect CAN_RXD/CAN_TXD directly to CANH/CANL. The C_CAN block uses 256 bytes of dedicated message RAM, but in deep-sleep mode the message RAM retains state; ensure firmware clears acceptance filters appropriately before sleep to avoid spurious wake-up.
Route the CAN_RXD and CAN_TXD lines as short matched pairs and place the external transceiver within 50 mm of the MCU pins to minimize EMI. Keep digital switching traces away from the ADC input pins (PIO0_11/AD3 etc.) and provide a ground pour around the analog section. For designs using the on-chip 12 MHz IRC, do not place noisy traces adjacent to the XTAL1/XTAL2 pins even when no crystal is fitted; the silicon bond wires still have small residual sensitivity.
The LPC11C14FBD48/301 is a 3.3 V part with absolute maximum VDD of 3.6 V. Driving any GPIO above 3.6 V will damage the part. If interfacing to 5 V signals, use a level shifter such as the TXS0108E or discrete MOSFET arrays. ISP entry on reset requires driving the ISP pin low during reset; many debug tools assume this sequence is wired correctly.
When using the I2C peripheral, install 4.7 kohm pull-up resistors on SDA and SCL since the LPC11C01Cxx pads are open-drain. For SSP/SPI runs above 10 MHz, use series damping resistors near the SCK/MOSI/MISO lines and verify signal integrity with an oscilloscope - the LQFP-48 bond wires can introduce ~2 nH of inductance that starts to ring above 25 MHz. The ADC requires the VREF pin to be tied to VDD for 10-bit absolute accuracy; using an external 3.0 V reference such as the LM4040 reduces absolute error to ~1 LSB.
Compliance Information
RoHS and lead-free status confirmed from NXP product page and Yic-electronics listing. AEC-Q100 not applicable (industrial/commercial MCU, no automotive qualification claimed). Halogen-free status not explicitly stated in available data.