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NXP Semiconductors LPC11U22FBD48/30QL
- Part No.:
- LPC11U22FBD48/30QL
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
LPC11U22FBD48/30QL.pdf
- Description:
- IC MCU 32BIT 16KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:242
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Product details
Overview
LPC11U22FBD48/30QL from NXP Semiconductors is a 32-bit ARM Cortex-M0 microcontroller in LQFP48 package, operating at up to 50 MHz with 16 kB flash, 6 kB SRAM, and 1 kB EEPROM. It integrates Full-Speed USB 2.0 device controller, 10-bit ADC (8-channel), two SSP interfaces, I²C-bus (Fast-mode Plus), and RS-485-capable USART - enabling compact, low-power USB-connected embedded control in handheld scanners and medical peripherals.
For engineers reviewing the LPC11U22FBD48/30QL datasheet, LPC11U22FBD48/30QL pinout, LPC11U22FBD48/30QL application, or LPC11U22FBD48/30QL equivalent, key selection criteria include USB device stack support in ROM, 5 V-tolerant GPIO (40 pins), fractional baud rate generation for robust serial communication, and Deep power-down wake-up via dedicated WAKEUP pin - all validated for industrial temperature range (−40 °C to +85 °C) and single 3.3 V supply (1.8–3.6 V).
Technical Context
The LPC11U22FBD48/30QL implements an ARM Cortex-M0 core with NVIC and system tick timer, paired with dual PLLs - one for CPU clocking (up to 50 MHz) and a dedicated USB PLL for precise 48 MHz timing. Its memory subsystem includes boot ROM with USB drivers and integer division routines, enabling flash updates over USB without external host firmware.
Digital peripherals are tightly coupled to the AHB/APB bus architecture: four counter/timers (two 32-bit, two 16-bit) support capture/match functions across configurable GPIO; GPIO ports 0 and 1 provide 40 total I/O pins with programmable pull-up/down, repeater mode, open-drain capability, and edge/level-sensitive interrupt sourcing - all managed via per-pin IOCON registers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M0, 32-bit RISC, up to 50 MHz - enables efficient C/C++ execution with Thumb-2 instruction set and low code footprint vs. 8/16-bit MCUs. |
| Memory | 16 kB flash / 6 kB SRAM / 1 kB EEPROM - sufficient for USB HID, sensor fusion, and bootloader-in-flash applications with non-volatile parameter storage. |
| USB Interface | Full-Speed USB 2.0 device controller with ROM-based drivers - eliminates external USB PHY and reduces BOM cost; supports SoftConnect via USB_CONNECT pin. |
| Analog Input | 10-bit ADC with 8 input channels (AD0–AD7) - provides direct sensor interface for temperature, voltage, or potentiometer readings without external signal conditioning. |
| Serial Peripherals | 1× USART (RS-485/ISO 7816 smart card), 2× SSP, 1× I²C-bus (1 Mbit/s Fast-mode Plus) - enables multi-protocol connectivity to displays, EEPROMs, and industrial transceivers. |
| Power Management | Four low-power modes (Sleep, Deep-sleep, Power-down, Deep power-down) with wake-up on GPIO, USB activity, or watchdog - extends battery life in portable USB devices. |
| Package & Environment | LQFP48 (7 × 7 × 1.4 mm), −40 °C to +85 °C, 1.8–3.6 V supply - suitable for space-constrained industrial and medical PCBs requiring extended temperature operation. |
Pinout & Package
LQFP48 package (SOT313-2): 48-pin plastic low-profile quad flat package, 0.5 mm pitch, body size 7 mm × 7 mm × 1.4 mm, exposed pad not present, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RESET/PIO0_0 | Reset input / GPIO | Active-low reset with 20 ns glitch filter; also serves as debug select (LOW = JTAG, HIGH = SWD); must be pulled HIGH externally in Deep power-down mode. |
| USB_DP / USB_DM | USB differential data pair | Full-Speed USB 2.0 D+ and D− lines compliant with USB specification rev 2.0; not 5 V tolerant; require 1.5 kΩ pull-up on DP for device enumeration. |
| USB_VBUS / USB_CONNECT | VBUS sense / SoftConnect control | USB_VBUS monitors bus presence; USB_CONNECT controls internal 1.5 kΩ pull-up resistor under software - enables USB re-enumeration without hardware reset. |
| XTALIN / XTALOUT | Crytal oscillator inputs | Supports 1–25 MHz crystal; XTALIN accepts ≤1.8 V input; XTALOUT drives external crystal; both pins must be used together or left floating if IRC is selected as system clock. |
| PIO0_16/AD5/CT32B1_MAT3/WAKEUP | Multi-function GPIO | In Deep power-down mode, functions exclusively as WAKEUP pin with 50 ns pulse detection; also serves as ADC input 5 and match output for 32-bit timer 1. |
Key Features
| Feature | Design Value |
|---|---|
| ROM-based USB stack | Eliminates need for external USB firmware; enables certified USB HID, CDC, or MSC class operation directly from flash-resident application code. |
| 5 V-tolerant GPIO | 40 pins support 5 V logic levels while powered from 3.3 V - simplifies interfacing with legacy peripherals and level-shifter-free designs. |
| Configurable IOCON registers | Per-pin control of pull-up/down, hysteresis, repeater mode, and open-drain - allows dynamic adaptation to I²C, RS-485, or push-pull requirements without hardware changes. |
| Two independent PLLs | Dedicated USB PLL ensures stable 48 MHz clock independent of CPU frequency - guarantees USB timing compliance even during CPU frequency scaling or sleep transitions. |
| Deep power-down wake-up | Single-pin wake-up (PIO0_16) with 20 ns glitch filter - achieves sub-μA retention current and enables battery-powered USB devices with instant resume on external event. |
Applications
| Handheld Scanners | USB Audio Devices |
|---|---|
Use Scenario: Portable barcode scanner with integrated laser module, button interface, and USB cable for PC tethering. IC Role / Device Role / Timing Role: Main MCU handling scan decoding, button debouncing, USB HID report generation, and low-power idle management. Use Value: On-chip USB device controller and ROM drivers reduce firmware development time; 5 V-tolerant GPIO simplify connection to laser driver and tactile switches; Deep power-down extends battery life between scans. | Use Scenario: USB-powered headset with analog microphone input, headphone DAC output, and volume control buttons. IC Role / Device Role / Timing Role: USB audio class (UAC) device controller managing isochronous audio streaming, ADC sampling, and button-triggered HID reports. Use Value: Integrated 10-bit ADC digitizes mic signal; fractional baud rate generator ensures precise UART timing for external codec sync; USB_FTOGGLE pin provides accurate 1 ms SOF timing for audio frame alignment. |
| Medical Peripherals | Industrial Control Interfaces |
Use Scenario: FDA-class II patient monitor accessory (e.g., pulse oximeter dongle) connecting to tablet via USB-C. IC Role / Device Role / Timing Role: Safety-critical data acquisition node performing ADC sampling, CRC-protected USB packetization, and watchdog-monitored operation. Use Value: Windowed Watchdog Timer (WWDT) with dedicated low-power oscillator ensures fail-safe reset; EEPROM stores calibration coefficients with byte-level erasure; −40 °C to +85 °C rating supports clinical environment operation. | Use Scenario: DIN-rail mounted RS-485 gateway converting Modbus RTU to USB CDC for PLC configuration. IC Role / Device Role / Timing Role: Protocol bridge MCU executing Modbus slave stack on USART and presenting virtual COM port over USB. Use Value: RS-485/EIA-485 USART with synchronous mode and full modem handshake supports robust industrial noise immunity; dual SSP interfaces allow SPI-to-Modbus converter coexistence; 40 GPIO enable status LED and fault relay control. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LPC11U23FBD48/301 | 24 kB flash, same 6 kB SRAM/1 kB EEPROM/USB/peripheral set - no architectural or pinout change. | Supports larger firmware images (e.g., USB MSC with FAT32 stack) without layout modification. | Select when firmware exceeds 16 kB or future-proofing for feature expansion is required. |
| LPC11U24FBD48/301 | 32 kB flash, 2 kB EEPROM, 6 kB SRAM - identical package, pinout, and peripheral complement. | Enables field-upgradable USB firmware with dual-bank safe update schemes and extended non-volatile data logging. | Choose for applications needing >24 kB code space or enhanced EEPROM endurance for parameter history. |
Compared with LPC11U23FBD48/301 and LPC11U24FBD48/301, the LPC11U22FBD48/30QL offers optimal cost/performance balance for fixed-function USB peripherals where 16 kB flash suffices - avoiding over-provisioned memory while retaining full USB, ADC, and serial peripheral compatibility in the same LQFP48 footprint.
Availability
LPC11U22FBD48/30QL is available at Aetrix Electronics and suitable for handheld scanners, medical peripherals, and USB audio devices requiring stable component supply, long-term manufacturability, and NXP's industrial-grade qualification.
Supply support for LPC11U22FBD48/30QL 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 headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The LPC11U2x product line was designed specifically for cost-sensitive, USB-connected embedded applications - delivering Cortex-M0 performance with integrated USB device functionality, low-power operation, and simplified firmware development through ROM-based drivers and APIs.
FAQ
What is the maximum CPU frequency supported by the LPC11U22FBD48/30QL?
The LPC11U22FBD48/30QL operates at a maximum CPU frequency of 50 MHz, achieved using either the internal 12 MHz IRC oscillator with PLL multiplication or an external crystal (1–25 MHz) fed into the system oscillator and scaled via PLL. This frequency is fully supported across the industrial temperature range (−40 °C to +85 °C) and 1.8–3.6 V supply.
Does the LPC11U22FBD48/30QL include USB device firmware in ROM?
Yes, the LPC11U22FBD48/30QL includes ROM-based USB device drivers supporting standard classes such as HID, CDC, and MSC. These drivers enable USB enumeration and data transfer without requiring application-level USB protocol implementation - significantly reducing firmware development effort and flash usage for the LPC11U22FBD48/30QL.
How many GPIO pins are available on the LPC11U22FBD48/30QL in LQFP48 package?
The LPC11U22FBD48/30QL in LQFP48 package provides 40 general-purpose I/O pins. All GPIO pins are 5 V tolerant, support configurable pull-up/pull-down resistors, repeater mode, and open-drain operation - and can be individually assigned digital or analog functions via IOCON registers. This count excludes power, reset, and dedicated USB/oscillator pins.
Can the LPC11U22FBD48/30QL perform USB firmware updates in-system?
Yes, the LPC11U22FBD48/30QL supports in-system programming (ISP) and in-application programming (IAP) for both flash and EEPROM via its on-chip bootloader. Flash updates can be delivered over USB using the ROM-based USB drivers - enabling field firmware upgrades without JTAG or UART interfaces, a key capability for deployed LPC11U22FBD48/30QL devices.
What power modes does the LPC11U22FBD48/30QL support, and how is wake-up handled from Deep power-down?
The LPC11U22FBD48/30QL supports four reduced-power modes: Sleep, Deep-sleep, Power-down, and Deep power-down. From Deep power-down, wake-up is enabled exclusively via the dedicated WAKEUP pin (PIO0_16), which detects a LOW-going pulse as short as 50 ns - allowing ultra-low static current (<1 μA) while maintaining responsive event-driven recovery for the LPC11U22FBD48/30QL.
LPC11U22FBD48/30QL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 48-LQFP
- Series:
- LPC11Uxx
- 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, USB
- Peripherals:
- Brown-out Detect/Reset, POR, WDT
- Number of I/O:
- 40
- Program Memory Size:
- 16KB (16K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 1K x 8
- 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:
LPC11U22FBD48/30QL FAQ
1.How can I place an order for LPC11U22FBD48/30QL through Aetrix?
Please submit a Request for Quotation (RFQ) for LPC11U22FBD48/30QL 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 LPC11U22FBD48/30QL reliable?
The price and inventory of LPC11U22FBD48/30QL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPC11U22FBD48/30QL is usually 5 days.
3.What payment methods are accepted for LPC11U22FBD48/30QL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPC11U22FBD48/30QL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPC11U22FBD48/30QL?
LPC11U22FBD48/30QL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPC11U22FBD48/30QL 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 LPC11U22FBD48/30QL?
For technical support, including LPC11U22FBD48/30QL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPC11U22FBD48/30QL requirements.
6.How does Aetrix verify that LPC11U22FBD48/30QL is sourced from the original manufacturer or authorized distributors?
All LPC11U22FBD48/30QL 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 LPC11U22FBD48/30QL meets industry standards.
7.What is the process for return or replacement of LPC11U22FBD48/30QL?
All LPC11U22FBD48/30QL units undergo pre-shipment inspection (PSI). If there is an issue with LPC11U22FBD48/30QL, 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 LPC11U22FBD48/30QL part is unused and in its original packaging.
Return procedure for LPC11U22FBD48/30QL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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