Overview
The LPC11U37FBD64/50EL is a 32-bit microcontroller from NXP USA Inc., part of the LPC11Uxx family. It is based on the Arm® Cortex®-M0+ core and operates at CPU frequencies of up to 50 MHz. This microcontroller is designed for low-cost, high-performance applications and features a comprehensive set of peripherals and power management capabilities.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Processor | Arm® Cortex®-M0+ |
| Maximum Clock Frequency | 50 MHz |
| Flash Memory | 128 kB |
| SRAM Data Memory | Up to 12 kB |
| EEPROM | 4 kB |
| Number of I/Os | 54 |
| Supply Voltage | 1.8 V to 3.6 V (max 3.3 V) |
| Operating Temperature | -40°C to +85°C |
| Package Type | 64-pin LQFP |
| Peripheral Interfaces | USART, SSP, I2C, USB 2.0, ADC, PWM, DMA |
Key Features
- Peripheral Complement: Includes USART with RS-485/EIA-485 support, two SSP interfaces, four general purpose counter/timers, a 10-bit ADC, and up to 54 general purpose I/O pins.
- I/O Handler: A hardware engine that can emulate serial interfaces such as UART, I2C, and I2S with minimal CPU load and perform DMA transfers in hardware.
- Power Management: Integrated Power Management Unit (PMU) with four reduced power modes: Sleep, Deep-sleep, Power-down, and Deep power-down. Features include power-on reset, brownout detect, and wake-up from various modes.
- USB and Communication Interfaces: USB 2.0 full-speed device controller, I2C-bus interface supporting Fast-mode Plus, and multiple serial communication interfaces.
- Programming and Debugging: In-System Programming (ISP) and In-Application Programming (IAP) via on-chip bootloader software, standard JTAG and Serial Wire Debug interfaces.
Applications
- Industrial Automation and Control: Suitable for industrial control systems due to its robust peripheral set and power management features.
- Medical Devices: Can be used in medical devices requiring low power consumption and high reliability.
- Consumer Electronics: Ideal for various consumer electronics applications needing a balance of performance and power efficiency.
- Wearable Technology and IoT: Suitable for wearable devices and IoT applications due to its compact package and low power consumption.
- Smart Home Applications: Can be integrated into smart home devices requiring multiple communication interfaces and low power operation.
Q & A
- What is the maximum clock frequency of the LPC11U37FBD64/50EL?
The maximum clock frequency is 50 MHz.
- How much flash memory does the LPC11U37FBD64/50EL have?
The microcontroller has 128 kB of flash memory.
- What are the power supply voltage ranges for this microcontroller?
The supply voltage range is from 1.8 V to 3.6 V, with a maximum of 3.3 V).
- What types of communication interfaces are supported by the LPC11U37FBD64/50EL?
The microcontroller supports USART, SSP, I2C, USB 2.0, and other serial communication interfaces).
- Does the LPC11U37FBD64/50EL have any power management features?
Yes, it includes an integrated Power Management Unit (PMU) with multiple power modes and features like power-on reset and brownout detect).
- What is the I/O Handler and its role in the LPC11U37FBD64/50EL?
The I/O Handler is a hardware engine that can emulate serial interfaces and perform DMA transfers in hardware, reducing CPU load).
- What are the operating temperature ranges for the LPC11U37FBD64/50EL?
The operating temperature range is from -40°C to +85°C).
- What package type is the LPC11U37FBD64/50EL available in?
The microcontroller is available in a 64-pin LQFP package).
- Does the LPC11U37FBD64/50EL support in-system programming and debugging?
Yes, it supports In-System Programming (ISP) and In-Application Programming (IAP) via on-chip bootloader software, as well as standard JTAG and Serial Wire Debug interfaces).
- What are some typical applications for the LPC11U37FBD64/50EL?
Typical applications include industrial automation, medical devices, consumer electronics, wearable technology, and IoT/smart home devices).
