Overview
The LPC11U14FBD48/20EL is a 32-bit microcontroller from NXP USA Inc., part of the LPC11Uxx MCU family. This microcontroller is based on the ARM Cortex-M0 processor and operates at CPU frequencies of up to 50 MHz. It is designed for low-cost, high-performance applications and features a comprehensive set of peripherals and memory options. The device is available in a 48-pin LQFP package, making it suitable for a variety of embedded systems.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor | ARM Cortex-M0 |
| Maximum CPU Frequency | Up to 50 MHz |
| Flash Memory | Up to 32 kB |
| SRAM Data Memory | Total of 6 kB (4 kB main SRAM and 2 kB USB SRAM) |
| Boot ROM | 16 kB, includes ISP and IAP via on-chip bootloader software |
| GPIO Pins | Up to 40 General Purpose I/O (GPIO) pins |
| Serial Interfaces | USB 2.0 full-speed device controller, USART, I2C-bus, SSP controllers |
| Analog Peripherals | 10-bit ADC with input multiplexing among eight pins |
| Power Supply | Single 3.3 V power supply (1.8 V to 3.6 V) |
| Temperature Range | -40°C to +85°C |
| Package | 48-pin LQFP |
Key Features
- ARM Cortex-M0 Processor: Runs at frequencies of up to 50 MHz with a built-in Nested Vectored Interrupt Controller (NVIC) and Non Maskable Interrupt (NMI) input.
- Memory and Bootloader: Up to 32 kB of flash memory, 6 kB of SRAM, and a 16 kB boot ROM with In-System Programming (ISP) and In-Application Programming (IAP) capabilities.
- Digital Peripherals: Includes up to 40 GPIO pins with configurable pull-up/pull-down resistors, repeater mode, input inverter, and open-drain mode. Four general purpose counter/timers and a programmable Windowed WatchDog Timer (WWDT).
- Serial Interfaces: Features a USB 2.0 full-speed device controller, USART with fractional baud rate generation, I2C-bus supporting Fast-mode Plus, and two SSP controllers with FIFO and multi-protocol capabilities.
- Analog Peripherals: Includes a 10-bit ADC with input multiplexing among eight pins.
- Power Management: Offers deep-sleep, power-down, and deep power-down modes, along with a power-on reset (POR) and brownout detect with four separate thresholds.
Applications
- Consumer Peripherals: Suitable for use in consumer devices such as handheld scanners and USB audio devices.
- Medical Devices: Can be used in medical applications due to its reliability and low power consumption.
- Industrial Control: Applicable in industrial control systems where precision and reliability are crucial.
- Embedded Systems: Ideal for various embedded system applications requiring low power and high performance.
Q & A
- What is the maximum CPU frequency of the LPC11U14FBD48?
Up to 50 MHz.
- How much flash memory does the LPC11U14FBD48 have?
Up to 32 kB.
- What types of serial interfaces are available on the LPC11U14FBD48?
USB 2.0 full-speed device controller, USART, I2C-bus, and two SSP controllers.
- What is the temperature range for the LPC11U14FBD48?
-40°C to +85°C.
- What package options are available for the LPC11U14FBD48?
48-pin LQFP, among others.
- Does the LPC11U14FBD48 support In-System Programming (ISP) and In-Application Programming (IAP)?
- What is the power supply range for the LPC11U14FBD48?
Single 3.3 V power supply (1.8 V to 3.6 V).
- What types of analog peripherals are included in the LPC11U14FBD48?
A 10-bit ADC with input multiplexing among eight pins.
- Does the LPC11U14FBD48 have any power management features?
- What are some common applications for the LPC11U14FBD48?
Consumer peripherals, medical devices, industrial control, and various embedded systems.
