Kinetis KV4x-168 MHz, High Performance Motor / Power Conversion MCUs based on Arm® Cortex®-M4
Design Files
Receive the full breakdown. See the product footprint and more in the eCad file.
MCX A25 Enhanced Mainstream MCU Arm® Cortex® M33 with 180 MHz, Rich Serial Peripherals and Security
The MCX A25 family of microcontrollers delivers high-performance embedded processing with support for speeds up to 180 MHz, 1 MB Flash and 256 kB RAM. Designed for PC accessories and motor control applications, these MCUs offer a rich set of serial peripherals including Full-Speed USB, I3C, FlexIO, SmartDMA and advanced security features.
For motor control, MCX A25 integrates 2x FlexPWM modules, each with 4 submodules, combined with AOI and up to 2x ADCs, enabling precise and efficient control.
Developers benefit from the MCUXpresso Developer Experience, which streamlines development, enhances productivity and accelerates time to market for embedded systems.
Product Details
Features
Core Platform
- Arm® Cortex®-M33 180MHz
Processing Accelerators
- SmartDMA, coprocessor for applications such as parallel camera interface and keypad scanning
Memory
- Single-bank Flash: Up to 1024 kB Flash with ECC (supports one-bit correction and two-bit detection)
- Cache Engine with 8 kB RAM
- Up to 256 kB RAM of which 8 kB is shared with cache, configurable as up to 8 kB RAM with ECC (support one-bit correction and two-bit detection)
- All RAM can be retained down to Deep Power-down mode
- ROM
Peripherals
- Analog
- 2x 16-bit ADC
- Up to 3.2 Msps in 16-bit mode, and 4 Msps in 12-bit mode
- Up to 43 ADC Input channels total (depending on the package)
- Integrated temperature sensor
- 1 x 12-bit DAC
- Up to 1 Msps
- 2 x High-speed Comparators with 8 input pins and 8-bit DAC as internal reference
- 1x LPCMP is functional down to Deep Power-down mode
- 1x OPAMP without PGA
- Advanced Motor Control
- Up to 2x FlexPWM each with 4 submodules, providing 16 complementary outputs of PWM (no Nanoedge module)
- Up to 2x Quadrature Encoder/Decoder (eQDC)
- 2x AOI (AND/OR/Invert) module supports up to 4 output triggers
- Timers
- 5 x 32-bit standard general-purpose asynchronous timers/counters, which support up to four capture inputs and four compare outputs, PWM mode and external count input. Specific timer events can be selected to generate DMA requests
- Low power timerer
- Frequency measurement timer
- Windowed watchdog timer
- Wake timer
- Microtick timer (UTICK)
- OS event timer
- RTC timer without external 32 kHz input
- Communication Interfaces for Connectivity
- 2x LPSPI, 4x LPI2C, 5x LPUART
- 1x I3C
- USB Full-speed (Device/Host) with on-chip FS PHY
- 1x FlexCAN with FD
- FlexIO
Security
- EdgeLock Accelerator
- PKC (Public Key Cryptography), supports ECC and RSA encryption and decryption
- SGI (Secure Generic Interface), provides AES256, SHA-2 and key generation/derivation
- Secure key store with key usage policies (protection of platform integrity, manufacturing and applications keys)
- 128-bit Universal unique identifier (UUID) per device in accordance with IETF's RFC4122 version5 specification
- Device life cycle management
- Flash read/write/execute permission protect by MBC and lockable
- Implicit-protected Flash Region (IFR)
- Security Monitoring
- Code watchdog for code flow integrity checking
- Glitch attack resistant keyed access (Glikey) to security sensitive registers
- 6x Passive anti tamper detect
- Secure Installer for secure manufacturing and IP theft protection in untrusted factory
MCUXpresso Developer Experience
- MCUXpresso ecosystem support
- Selection of IDE choices
- Pin, clock, peripheral, security and memory config tools
- Security programming and provisioning tools
- Software development kit (SDK)
- Zephyr RTOS support
Related products
MCX A17 Essential MCU Arm® Cortex® M33 with 180 MHz and Rich Serial Peripherals
MCX A13, 14, 15 Essential MCUs with Arm® Cortex® M33, Low Power and Intelligent Peripherals
MCX N23x Highly Integrated MCUs with On-Chip Accelerators, Intelligent Peripherals and Advanced Security
MCX N94, N54, N53, N52 and N24 with Highly Integrated Low-power Dual Core Arm® Cortex®-M33 MCUs, with on-chip Accelerators and Advanced Security
LPC552x/S2x: Mainstream Arm® Cortex®-M33-based Microcontroller Family
MCX A34 Mixed-Signal, Optimized for Motor Control and High-Performance Analog Peripherals
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Documentation
Quick reference to our documentation types
3 documents
Compact List
Data Sheet (1)
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MCXA175/176/185/186/255/256/265/266[MCXAP144M240F61]
Reference Manual (2)
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MCX A255, A256, A265, and A266 Security Reference Manual[MCXAP144M240F61SRM]
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MCX A175, A176, A185, A186, A255, A256, A265 and A266 Reference Manual[MCXAP144M240F61RM]
Design Resources
Hardware
Quick reference to our
board types.
3 hardware offerings
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Emulators, Probes, and ProgrammersMCU-Link Debug Probe
Active -
Emulators, Probes, and ProgrammersMCU-Link Pro Debug Probe
Active -
Evaluation and Development BoardsFRDM Development Board for MCX A175, A176, A185, A186, A255, A256, A265 and A266 MCUs
Preproduction
Software
Quick reference to our software types.
4 software files
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Application Example Software
Application Code Hub
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BSPs and Device Drivers
MCUXpresso Config Tools: Pins, Clocks and Peripherals
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Development IDEs and Build Tools
MCUXpresso Integrated Development Environment (IDE)
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Development IDEs and Build Tools
MCUXpresso for Visual Studio Code
Note: For better experience, software downloads are recommended on desktop.