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NXP Semiconductors LPC11C24FBD48/30EL
- Part No.:
- LPC11C24FBD48/30EL
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
LPC11C24FBD48/30EL.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,862
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Product details
Overview
LPC11C24FBD48/30EL from NXP Semiconductors is a 32-bit ARM Cortex-M0 microcontroller with 32 kB flash, 8 kB SRAM, integrated C_CAN controller and on-chip high-speed CAN transceiver, operating at up to 50 MHz - designed for industrial sensor networks and RS-485/EIA-485-based metering systems.
For engineers reviewing the LPC11C24FBD48/30EL datasheet, LPC11C24FBD48/30EL pinout, LPC11C24FBD48/30EL application, or LPC11C24FBD48/30EL equivalent, key selection criteria include its 48-pin LQFP package, 36 GPIOs, 10-bit 8-channel ADC, Fast-mode Plus I²C (1 Mbit/s), dual SPI with SSP features, and embedded CAN transceiver eliminating external PHY requirements.
Technical Context
The LPC11C24FBD48/30EL integrates an ARM Cortex-M0 core with Nested Vectored Interrupt Controller (NVIC) and Serial Wire Debug, supporting deterministic real-time response in resource-constrained embedded nodes. Its clock system combines a 12 MHz ±1% internal RC oscillator, programmable PLL, and crystal oscillator (1–25 MHz) to sustain 50 MHz CPU operation without external high-frequency crystals.
Power management includes Sleep, Deep-sleep, and Deep power-down modes with wake-up via 13 GPIO pins and dedicated WAKEUP pin (PIO1_4). The on-chip PMU enables sub-μA deep-sleep current, while brownout detection offers four configurable thresholds for robust operation across 1.8–3.6 V supply range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M0, 32-bit RISC architecture with NVIC - delivers deterministic interrupt latency and Thumb-2 instruction efficiency for compact firmware in cost-sensitive industrial control. |
| Max Clock Frequency | 50 MHz - achieved via internal PLL driven by IRC or crystal; eliminates need for external >25 MHz oscillators in timing-critical CAN and UART applications. |
| Memory | 32 kB flash + 8 kB SRAM - sufficient for CANopen stack, RS-485 protocol handling, and sensor data preprocessing without external memory. |
| CAN Interface | Integrated C_CAN controller + on-chip high-speed CAN transceiver (CANH/CANL/STB/VDD_CAN/VCC) - reduces BOM count by removing discrete CAN PHY and simplifies PCB layout for automotive-grade bus communication. |
| Analog Input | 10-bit ADC with 8 input channels (AD0–AD7) - supports direct connection of temperature, voltage, or current sensors in eMetering and white goods monitoring. |
| Digital Peripherals | 1× UART with RS-485 support, 2× SPI with FIFO and multi-protocol capability, 1× Fast-mode Plus I²C (1 Mbit/s), 4× timers (32-/16-bit) - enables concurrent fieldbus, sensor, and display interfaces in single-chip designs. |
| GPIO | 36 general-purpose I/O pins with configurable pull-up/down, 10 ns glitch filtering, and 20 mA drive capability on select pins - suitable for direct LED driving, relay control, and level-shifting in industrial I/O modules. |
Pinout & Package
Package: 48-pin LQFP (7 × 7 × 1.4 mm, SOT313-2), lead-free, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RESET/PIO0_0 | Reset input / GPIO | Active-low external reset with 20 ns glitch filter; also functions as general-purpose I/O with 10 ns glitch filter. |
| CANH, CANL | CAN bus differential pair | Direct connection to CAN bus lines; integrated transceiver supports ISO 11898-2 compliant physical layer without external components. |
| STB | CAN transceiver silent mode control | LOW = normal CAN operation; HIGH = silent mode (TX disabled, RX active) - enables bus diagnostics and node isolation during firmware updates. |
| VDD_CAN, VCC | CAN transceiver supply | Separate 3.3 V supplies for CAN I/O level (VDD_CAN) and transceiver core (VCC); decoupling required per datasheet to ensure EMC robustness. |
| PIO1_4/AD5/CT32B1_MAT3/WAKEUP | Multi-function pin | Configurable as ADC input (AD5), timer match output, or Deep power-down wake-up trigger - enables low-power sensor polling with hardware-triggered exit from <1 μA sleep state. |
| SWDIO/PIO1_3/AD4/CT32B1_MAT2 | Debug/analog/timer pin | Primary debug interface (SWD) with fallback to ADC input or timer function - allows in-system programming and real-time debugging without sacrificing analog resources. |
Key Features
| Feature | Design Value |
|---|---|
| In-System Programming via C_CAN | Enables field firmware updates over existing CAN bus infrastructure - no UART or debug port required, reducing service downtime in deployed equipment. |
| Fast-mode Plus I²C (1 Mbit/s) | Supports high-speed sensor and EEPROM communication with multi-address recognition and monitor mode - ideal for distributed sensor hubs with mixed-speed peripherals. |
| RS-485 UART with fractional baud rate | Ensures precise timing across wide temperature ranges and variable cable lengths - critical for reliable long-haul industrial serial communication in elevator and building automation systems. |
| Programmable Watchdog Timer (WDT) | Independent clock source (7.8 kHz–1.8 MHz) with windowed operation prevents runaway code in safety-critical white goods and metering applications. |
| 5 V-tolerant GPIOs | Selected pins (e.g., PIO0_0, PIO2_0–PIO2_3, PIO3_0–PIO3_3) tolerate 5 V logic levels - simplifies interfacing with legacy 5 V sensors, displays, and PLC I/O modules. |
Applications
| eMetering | Industrial Sensor Networks |
|---|---|
|
Use Scenario: Smart electricity/water/gas meter with tamper detection, pulse counting, and remote data upload via CAN or RS-485. IC Role / Device Role / Timing Role: Main system controller executing metrology algorithms, managing secure firmware updates over CAN, and synchronizing sampling clocks via internal PLL. Use Value: Integrated CAN transceiver eliminates external PHY, reducing bill-of-materials cost and board space while meeting IEC 62056 and DLMS/COSEM protocol timing requirements. |
Use Scenario: Distributed environmental monitoring node with temperature, humidity, and CO₂ sensors connected via I²C and SPI, communicating over CAN bus to central gateway. IC Role / Device Role / Timing Role: Edge processing unit performing sensor fusion, local alarm triggering, and time-stamped event logging using 32-bit timers and RTC emulation. Use Value: 36 GPIOs and 8-channel ADC allow direct sensor interfacing; Deep power-down mode with wake-up on sensor interrupt extends battery life to >10 years in wireless-capable variants. |
| Elevator Systems | White Goods |
|
Use Scenario: Elevator door control module managing motor drivers, safety edge sensors, and CAN-based floor call panel communication. IC Role / Device Role / Timing Role: Real-time motion controller coordinating position feedback (ADC), safety interlocks (GPIO), and CAN bus status reporting with <100 μs interrupt latency. Use Value: Deterministic NVIC response and 50 MHz CPU enable sub-millisecond control loops; RS-485 UART supports legacy floor panel integration without protocol converters. |
Use Scenario: Washing machine main control board managing motor phase control, water level sensing, heater regulation, and user interface via I²C touch controller. IC Role / Device Role / Timing Role: System-on-chip replacing discrete MCU + CAN PHY + ADC + level shifters - handles motor commutation timing, analog sensor scaling, and fault-safe shutdown sequences. Use Value: On-chip high-current GPIO drivers (20 mA) directly drive indicator LEDs and relays; brownout detection with four thresholds ensures graceful shutdown during unstable mains conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LPC11C22FBD48/301 | Same 48-pin LQFP package and integrated CAN transceiver, but with 16 kB flash and 36 GPIOs - identical peripheral set except reduced program memory. | Suitable for simpler CAN node firmware with smaller code footprint; not recommended when bootloader, CANopen stack, and application logic exceed 16 kB. | Select LPC11C22FBD48/301 only if firmware size is verified ≤15.2 kB after linker optimization and debug symbols removal. |
| STM32F042F6P6 | ARM Cortex-M0 core, 32 kB flash, 6 kB SRAM, no integrated CAN transceiver - requires external TJA1050 or similar PHY for CAN physical layer. | Offers USB 2.0 FS device interface and higher-resolution 12-bit ADC, but adds BOM cost and PCB area for CAN PHY and associated protection circuitry. | Choose STM32F042F6P6 only when USB connectivity or enhanced analog precision outweighs CAN integration benefits and layout simplicity of LPC11C24FBD48/30EL. |
Compared with LPC11C22FBD48/301, the LPC11C24FBD48/30EL provides double flash capacity for complex protocol stacks; versus STM32F042F6P6, it trades USB and 12-bit ADC for seamless CAN bus deployment - making it optimal for cost-sensitive, CAN-centric industrial nodes where firmware size and layout simplicity are primary constraints.
Availability
LPC11C24FBD48/30EL is available at Aetrix Electronics and suitable for eMetering, industrial sensor networks, and elevator control systems requiring stable component supply, long-term lifecycle assurance, and full traceability.
Supply support for LPC11C24FBD48/30EL 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 applications, with headquarters in Eindhoven, Netherlands.
The LPC11Cx2/Cx4 family was engineered specifically for cost-optimized, low-power industrial control and metering applications - emphasizing integrated CAN, robust analog interfaces, and minimal external component count to accelerate time-to-market for certified field devices.
FAQ
What is the maximum operating frequency of the LPC11C24FBD48/30EL?
The LPC11C24FBD48/30EL operates at a maximum CPU frequency of 50 MHz, achieved using its on-chip PLL driven by either the 12 MHz internal RC oscillator (trimmed to ±1%) or an external crystal (1–25 MHz). This frequency is fully supported across the entire 1.8–3.6 V supply range and industrial temperature grade, enabling deterministic real-time performance in CAN and RS-485 communication stacks without external high-frequency clock sources.
Does the LPC11C24FBD48/30EL include an integrated CAN transceiver?
Yes, the LPC11C24FBD48/30EL includes a fully integrated high-speed CAN transceiver compliant with ISO 11898-2, accessible via dedicated pins CANH, CANL, STB, VDD_CAN, and VCC. Unlike the LPC11C12/C14 variants, this feature eliminates the need for external CAN PHY components, reducing BOM cost and PCB complexity while maintaining full compatibility with standard CAN bus topologies and termination schemes.
How many GPIO pins does the LPC11C24FBD48/30EL provide?
The LPC11C24FBD48/30EL provides 36 general-purpose I/O pins, organized across Ports 0–3 (PIO0_0–PIO0_11, PIO1_0–PIO1_11, PIO2_0–PIO2_11, PIO3_0–PIO3_3). All GPIOs support configurable pull-up/pull-down resistors, 10 ns glitch filtering on selected pins, and 5 V tolerance on designated pins - enabling direct interfacing with legacy 5 V peripherals and robust noise immunity in electrically noisy industrial environments.
What analog capabilities does the LPC11C24FBD48/30EL offer?
The LPC11C24FBD48/30EL integrates a 10-bit successive-approximation ADC with 8 input channels (AD0–AD7), supporting single-ended and differential conversions at up to 400 kS/s. Input multiplexing allows dynamic channel selection under firmware control, and the ADC operates independently of CPU activity - enabling simultaneous sensor sampling and real-time control loop execution in eMetering and white goods applications.
Can the LPC11C24FBD48/30EL perform in-system programming over CAN?
Yes, the LPC11C24FBD48/30EL supports In-System Programming (ISP) via its integrated C_CAN controller, allowing full firmware updates without UART or debug interface access. Flash ISP commands are issued over the CAN bus using standardized message IDs and payload formats defined in the NXP application note AN10868 - enabling secure, field-deployable updates in sealed or remotely located equipment such as utility meters and elevator controllers.
LPC11C24FBD48/30EL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 48-LQFP
- Series:
- LPC11Cxx
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0
- Core Size:
- 32-Bit Single-Core
- Speed:
- 50MHz
- Connectivity:
- CANbus, I2C, Microwire, SPI, SSI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, WDT
- Number of I/O:
- 36
- 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:
LPC11C24FBD48/30EL FAQ
1.How can I place an order for LPC11C24FBD48/30EL through Aetrix?
Please submit a Request for Quotation (RFQ) for LPC11C24FBD48/30EL 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 LPC11C24FBD48/30EL reliable?
The price and inventory of LPC11C24FBD48/30EL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPC11C24FBD48/30EL is usually 5 days.
3.What payment methods are accepted for LPC11C24FBD48/30EL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPC11C24FBD48/30EL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPC11C24FBD48/30EL?
LPC11C24FBD48/30EL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPC11C24FBD48/30EL 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 LPC11C24FBD48/30EL?
For technical support, including LPC11C24FBD48/30EL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPC11C24FBD48/30EL requirements.
6.How does Aetrix verify that LPC11C24FBD48/30EL is sourced from the original manufacturer or authorized distributors?
All LPC11C24FBD48/30EL 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 LPC11C24FBD48/30EL meets industry standards.
7.What is the process for return or replacement of LPC11C24FBD48/30EL?
All LPC11C24FBD48/30EL units undergo pre-shipment inspection (PSI). If there is an issue with LPC11C24FBD48/30EL, 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 LPC11C24FBD48/30EL part is unused and in its original packaging.
Return procedure for LPC11C24FBD48/30EL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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