Overview
The LPC54114J256BD64QL is a 32-bit microcontroller from NXP USA Inc., based on the ARM Cortex-M4 and Cortex-M0+ cores. This device is designed for a wide range of embedded applications, offering a balance of high performance, low power consumption, and extensive peripheral support. The microcontroller features a Cortex-M4 core with a floating-point unit (FPU) and a Cortex-M0+ coprocessor, making it suitable for complex and power-sensitive applications.
Key Specifications
| Specification | Details |
|---|---|
| Processor Cores | ARM Cortex-M4 with FPU, ARM Cortex-M0+ |
| Operating Frequency | Up to 100 MHz |
| Memory | Up to 256 KB on-chip flash, up to 192 KB total SRAM |
| Interfaces | I2C, SPI, UART, USART, USB full-speed device with on-chip PHY |
| Timers | Five general-purpose timers, one SCTimer/PWM, one RTC/alarm timer, one 24-bit Multi-Rate Timer (MRT), Windowed Watchdog Timer (WWDT) |
| ADC | 12-bit, 5.0 Msamples/sec |
| Temperature Range | -40 °C to +105 °C |
| Package | LQFP64, plastic low profile quad flat package; 64 leads |
| Power Supply | Single power supply 1.62 V to 3.6 V |
Key Features
- ARM Cortex-M4 core with FPU and ARM Cortex-M0+ coprocessor for efficient processing and low power consumption.
- Up to 256 KB on-chip flash and up to 192 KB total SRAM for ample memory.
- Full-speed USB device interface with on-chip PHY and crystal-less operation.
- DMIC subsystem with PDM microphone interface and I2S.
- Eight flexible serial communication peripherals (USART, SPI, I2C).
- 12-bit ADC with 5.0 Msamples/sec and a temperature sensor.
- Legacy, Single, and Dual image boot options.
- Flash In-Application Programming (IAP) and In-System Programming (ISP).
- Brown-Out Detect (BOD) with separate thresholds for interrupt and forced reset.
- JTAG boundary scan supported.
- 128-bit unique device serial number for identification.
Applications
The LPC54114J256BD64QL microcontroller is suitable for a variety of embedded applications, including:
- Industrial automation and control systems.
- Consumer electronics such as smart home devices and wearables.
- Medical devices requiring precise and reliable operation.
- Automotive systems, including infotainment and driver assistance.
- IoT devices that require low power consumption and high performance.
Q & A
- What are the processor cores used in the LPC54114J256BD64QL?
The LPC54114J256BD64QL uses an ARM Cortex-M4 core with a floating-point unit (FPU) and an ARM Cortex-M0+ coprocessor. - What is the maximum operating frequency of the microcontroller?
The maximum operating frequency is up to 100 MHz. - What types of memory are available on the microcontroller?
The microcontroller features up to 256 KB on-chip flash and up to 192 KB total SRAM. - What serial interfaces are supported by the microcontroller?
The microcontroller supports I2C, SPI, UART, USART, and USB full-speed device interfaces. - Does the microcontroller have any specific power management features?
Yes, it includes Brown-Out Detect (BOD) with separate thresholds for interrupt and forced reset, and operates on a single power supply from 1.62 V to 3.6 V. - What is the operating temperature range of the microcontroller?
The operating temperature range is -40 °C to +105 °C. - What package options are available for the LPC54114J256BD64QL?
The microcontroller is available in LQFP64 packages. - Does the microcontroller support in-system programming?
Yes, it supports Flash In-Application Programming (IAP) and In-System Programming (ISP). - What is the purpose of the DMIC subsystem in the microcontroller?
The DMIC subsystem includes a PDM microphone interface and I2S, which is useful for audio processing applications. - Is JTAG boundary scan supported on this microcontroller?
Yes, JTAG boundary scan is supported.
