Overview
The LPC1114FN28/102,12 is a 32-bit microcontroller from NXP Semiconductors, part of the LPC1100 series. It is based on the ARM Cortex-M0 RISC architecture, designed to offer high performance, low power consumption, and a simple instruction set. This microcontroller is particularly suited for applications that traditionally use 8/16-bit microcontrollers but require the enhanced capabilities of a 32-bit processor.
The LPC1114FN28/102,12 comes in a 28-pin PDIP package and operates at a maximum CPU frequency of 50 MHz. It features 32 KB of flash memory and 8 KB of SRAM, making it a versatile choice for various embedded systems.
Key Specifications
| Specification | Details |
|---|---|
| Microcontroller Type | 32-bit ARM Cortex-M0 |
| Flash Memory | 32 KB |
| SRAM | 8 KB |
| Maximum CPU Frequency | 50 MHz |
| Package Type | 28-Pin PDIP |
| Operating Voltage | 3.3V |
| Temperature Range | -40°C to +105°C (extended temperature for selected parts) |
| I/O Pins | Up to 42 General Purpose I/O (GPIO) pins |
| Analog Peripherals | 10-bit ADC with input multiplexing among 5, 6, or 8 pins |
| Serial Interfaces | UART, I2C-bus, SPI with SSP features |
| Timers | Four general purpose counter/timers |
Key Features
- Low Power Consumption: Designed for low power applications, making it suitable for battery-powered devices.
- High Performance: Operates at up to 50 MHz CPU frequency, providing efficient processing capabilities.
- Simple Instruction Set: Reduces code size and complexity compared to existing 8/16-bit architectures.
- Peripheral Complement: Includes Fast-mode Plus I2C-bus interface, RS-485/EIA-485 UART, SPI interfaces with SSP features, and a 10-bit ADC.
- GPIO and Interrupts: Up to 42 GPIO pins with configurable pull-up/pull-down resistors and edge/level sensitive interrupt sources.
- Clock Generation: Features a 12 MHz internal RC oscillator, crystal oscillator, and programmable watchdog oscillator.
- In-System Programming (ISP) and In-Application Programming (IAP): Allows for on-chip bootloader software for easy programming and updates.
Applications
- eMetering: Suitable for smart metering applications due to its low power and high performance.
- Lighting: Can be used in lighting control systems, including smart lighting solutions.
- Alarm Systems: Ideal for security and alarm systems requiring reliable and efficient microcontrollers.
- White Goods: Used in various consumer appliances such as refrigerators, washing machines, and air conditioners.
Q & A
- What is the CPU architecture of the LPC1114FN28/102,12?
The LPC1114FN28/102,12 is based on the 32-bit ARM Cortex-M0 RISC architecture.
- How much flash memory does the LPC1114FN28/102,12 have?
The LPC1114FN28/102,12 has 32 KB of flash memory.
- What is the maximum CPU frequency of the LPC1114FN28/102,12?
The maximum CPU frequency is 50 MHz.
- What type of package does the LPC1114FN28/102,12 come in?
The LPC1114FN28/102,12 comes in a 28-pin PDIP package.
- What are the key serial interfaces available on the LPC1114FN28/102,12?
The key serial interfaces include UART, I2C-bus, and SPI with SSP features.
- Does the LPC1114FN28/102,12 support In-System Programming (ISP) and In-Application Programming (IAP)?
Yes, it supports ISP and IAP via on-chip bootloader software.
- What is the operating voltage range of the LPC1114FN28/102,12?
The operating voltage is 3.3V.
- What are some common applications of the LPC1114FN28/102,12?
Common applications include eMetering, lighting control systems, alarm systems, and white goods.
- How many GPIO pins does the LPC1114FN28/102,12 have?
The LPC1114FN28/102,12 has up to 42 General Purpose I/O (GPIO) pins.
- Does the LPC1114FN28/102,12 have any analog peripherals?
Yes, it includes a 10-bit ADC with input multiplexing among 5, 6, or 8 pins.
