Overview
The FRDM-KL25Z is an ultra-low-cost development platform designed by NXP in collaboration with mbed. It is based on the Kinetis L Series KL2x (KL24/25) MCUs, specifically the MKL25Z128VLK4, which features a 32-bit ARM Cortex-M0+ core operating at up to 48MHz. This platform is ideal for prototyping a wide range of devices, particularly those requiring low power consumption and a compact form factor. The FRDM-KL25Z includes various interfaces such as USB Host and Device, SPI, I2C, UART, ADC, DAC, PWM, and touch sensor, making it versatile for different applications. It also supports multiple power supply options, including USB, coin cell battery, and external sources, and is form-factor compatible with the Arduino R3 pin layout, allowing for a broad range of expansion board options.
Key Specifications
| Parameter | Description |
|---|---|
| Microcontroller | MKL25Z128VLK4 (Kinetis L Series KL2x) |
| Core Architecture | 32-bit ARM Cortex-M0+ |
| Operating Frequency | Up to 48MHz |
| Memory | 128KB Flash, 16KB RAM |
| Interfaces | USB (Host/Device), SPI (2), I2C (2), UART (3), PWM, ADC (16-bit), DAC (12-bit) |
| Sensors | MMA8451Q 3-axis accelerometer, Capacitive touch slider |
| Power Supply | USB, Coin cell battery, External source (4.5-9V) |
| Form Factor | 81mm x 53mm, Arduino R3 compatible |
| Debug Interface | OpenSDA with multiple applications (Mass storage, P&E Debug, CMSIS-DAP) |
Key Features
- High-performance ARM Cortex-M0+ core
- Multiple interfaces: USB, SPI, I2C, UART, PWM, ADC, DAC
- Onboard sensors: MMA8451Q 3-axis accelerometer, capacitive touch slider
- Flexible power supply options: USB, coin cell battery, external source
- Battery-ready and power measurement access points
- Easy access to MCU I/O via Arduino R3 compatible connectors
- Programmable OpenSDA debug interface with various applications
- Support for mbed platform with drag-n-drop programming and online development tools
Applications
The FRDM-KL25Z is suitable for a variety of applications across different sectors, including:
- Consumer Electronics: For developing low-power, compact devices.
- Industrial: For applications requiring robust and reliable microcontrollers.
- Medical: For medical devices that need precise and low-power operation.
Q & A
- What is the FRDM-KL25Z based on?
The FRDM-KL25Z is based on the NXP Kinetis L Series KL2x (KL24/25) MCUs, specifically the MKL25Z128VLK4.
- What is the operating frequency of the FRDM-KL25Z?
The FRDM-KL25Z operates at up to 48MHz.
- What are the memory specifications of the FRDM-KL25Z?
The FRDM-KL25Z has 128KB of Flash memory and 16KB of RAM.
- What interfaces does the FRDM-KL25Z support?
The FRDM-KL25Z supports USB (Host/Device), SPI, I2C, UART, PWM, ADC, and DAC interfaces.
- What sensors are onboard the FRDM-KL25Z?
The FRDM-KL25Z includes an MMA8451Q 3-axis accelerometer and a capacitive touch slider.
- What are the power supply options for the FRDM-KL25Z?
The FRDM-KL25Z can be powered via USB, a coin cell battery, or an external source (4.5-9V).
- Is the FRDM-KL25Z compatible with Arduino boards?
Yes, the FRDM-KL25Z is form-factor compatible with the Arduino R3 pin layout.
- What debug interface does the FRDM-KL25Z use?
The FRDM-KL25Z uses the OpenSDA debug interface with multiple applications such as mass storage, P&E Debug, and CMSIS-DAP.
- Does the FRDM-KL25Z support mbed platform?
Yes, the FRDM-KL25Z is fully supported by the mbed platform, offering drag-n-drop programming and online development tools.
- What are some typical applications of the FRDM-KL25Z?
The FRDM-KL25Z is suitable for consumer electronics, industrial, and medical applications.
