Overview
The MKV31F256VLH12 is a microcontroller from NXP USA Inc., part of the Kinetis KV31F family. This device is designed to deliver high-performance solutions, particularly for motor control applications such as BLDC, PMSM, and ACIM motors. Built on the Arm® Cortex®-M4 core, it offers advanced features like floating-point and DSP capabilities, making it a robust platform for scalable motor control solutions.
Key Specifications
| Parameter | Description |
|---|---|
| Microcontroller Core | Arm® Cortex®-M4 at 120 MHz |
| Flash Memory | 256 KB |
| RAM | 48 KB |
| Package | 64-LQFP (10x10x1.6mm) |
| Number of I/Os | 46 |
| Supply Voltage | 1.71V to 3.6V |
| Operating Temperature | -40°C to 105°C |
| ADC | Dual 16-bit ADCs, up to 1.2 MS/s in 12-bit mode |
| PWM Channels | 12 channels across 3 independent time bases |
| DMA Channels | 16-channel DMA controller |
| RoHS Status | ROHS3 Compliant |
Key Features
- High-performance Arm® Cortex®-M4 core with DSP instructions and floating-point unit, delivering 1.25 Dhrystone MIPS per MHz.
- Dual 16-bit ADCs sampling at up to 1.2 MS/s in 12-bit mode.
- 12 channels of highly flexible motor control timers (PWMs) across 3 independent time bases.
- Large RAM block enabling local execution of fast control loops at full clock speed.
- 16-channel DMA controller for efficient data transfer.
- Preprogrammed Kinetis flashloader for one-time, in-system factory programming.
Applications
The MKV31F256VLH12 is primarily designed for motor control applications, including:
- BLDC (Brushless DC) motor control
- PMSM (Permanent Magnet Synchronous Motor) control
- ACIM (AC Induction Motor) control
- Other high-performance motor control and industrial automation applications
Q & A
- What is the core architecture of the MKV31F256VLH12 microcontroller?
The MKV31F256VLH12 is based on the Arm® Cortex®-M4 core, running at 120 MHz.
- How much flash and RAM does the MKV31F256VLH12 have?
The device has 256 KB of embedded flash and 48 KB of RAM.
- What is the package type and size of the MKV31F256VLH12?
The device is packaged in a 64-LQFP (10x10x1.6mm).
- What is the operating voltage range of the MKV31F256VLH12?
The operating voltage range is from 1.71V to 3.6V.
- What are the key features of the ADC in the MKV31F256VLH12?
The device features dual 16-bit ADCs, sampling at up to 1.2 MS/s in 12-bit mode.
- How many PWM channels does the MKV31F256VLH12 have?
The device has 12 channels of highly flexible motor control timers (PWMs) across 3 independent time bases.
- Is the MKV31F256VLH12 RoHS compliant?
- What is the temperature range for the MKV31F256VLH12?
- What type of DMA controller does the MKV31F256VLH12 have?
- What are the primary applications of the MKV31F256VLH12?
