Overview
The LPC11U37FBD64/401 is a 32-bit microcontroller from NXP Semiconductors, part of the LPC11Uxx MCU family. This microcontroller is based on the Arm® Cortex®-M0+ core 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 power management options.
Key Specifications
| Specification | Value |
|---|---|
| Microcontroller Core | Arm® Cortex®-M0+ |
| Flash Memory | 128 kB |
| SRAM Data Memory | Up to 12 kB |
| EEPROM | 4 kB |
| Package Type | 64-Pin LQFP |
| Operating Voltage | 1.8 V to 3.6 V (single 3.3 V power supply) |
| Operating Frequency | Up to 50 MHz |
| General Purpose I/O Pins | Up to 54 |
| ADC Resolution | 10-bit |
| USART | With fractional baud rate generation, internal FIFO, and support for RS-485/9-bit mode and synchronous mode |
| SSP Controllers | Two with FIFO and multi-protocol capabilities |
| I2C-Bus Interface | Supporting full I2C-bus specification and Fast-mode Plus up to 1 Mbit/s |
Key Features
- USB 2.0 Full-Speed Device Controller: Supports USB device enumeration and communication.
- USART with Smart Card Interface: Includes fractional baud rate generation, internal FIFO, and support for RS-485/9-bit mode and synchronous mode.
- SSP Controllers: Two controllers with FIFO and multi-protocol capabilities.
- I2C-Bus Interface: Supports the full I2C-bus specification and Fast-mode Plus with a data rate of up to 1 Mbit/s.
- I/O Handler: Emulates serial interfaces such as UART, I2C, and I2S with minimal CPU load and supports DMA transfers in hardware (available on LPC11U37HFBD64/401 only).
- Power Management: Includes an integrated Power Management Unit (PMU) with four reduced power modes: Sleep, Deep-sleep, Power-down, and Deep power-down.
- General Purpose Counter/Timers: Four general purpose counter/timers.
- 10-bit ADC: A 10-bit analog-to-digital converter.
- Unique Device Serial Number: For device identification.
Applications
The LPC11U37FBD64/401 is suitable for a variety of applications, including:
- Industrial Automation: For control and monitoring systems.
- Consumer Electronics: In devices such as smart home appliances and wearables.
- Medical Devices: For portable medical equipment and diagnostic tools.
- Automotive Systems: In vehicle control units and infotainment systems.
- Internet of Things (IoT) Devices: For connected sensors and actuators.
Q & A
- What is the core architecture of the LPC11U37FBD64/401?
The LPC11U37FBD64/401 is based on the Arm® Cortex®-M0+ core. - How much flash memory does the LPC11U37FBD64/401 have?
The LPC11U37FBD64/401 has 128 kB of flash memory. - What is the operating voltage range of the LPC11U37FBD64/401?
The operating voltage range is 1.8 V to 3.6 V (single 3.3 V power supply). - What types of serial interfaces does the LPC11U37FBD64/401 support?
The LPC11U37FBD64/401 supports USART, SSP, I2C, and USB 2.0 full-speed device interfaces. - Does the LPC11U37FBD64/401 have power management features?
Yes, it includes an integrated Power Management Unit (PMU) with four reduced power modes: Sleep, Deep-sleep, Power-down, and Deep power-down. - What is the I/O Handler and its function?
The I/O Handler is a hardware engine that can emulate serial interfaces such as UART, I2C, and I2S with minimal CPU load and supports DMA transfers in hardware (available on LPC11U37HFBD64/401 only). - How many general purpose I/O pins does the LPC11U37FBD64/401 have?
The LPC11U37FBD64/401 has up to 54 general purpose I/O pins. - What is the resolution of the ADC on the LPC11U37FBD64/401?
The ADC resolution is 10-bit. - Can the LPC11U37FBD64/401 be used in automotive applications?
Yes, it can be used in vehicle control units and infotainment systems. - Where can I find software libraries for the LPC11U37FBD64/401?
Software libraries for the LPC11U37FBD64/401 are available on the NXP Semiconductors website.
