Design Files
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NXP’s Energy Efficient Cortex-M4 MCU with Cortex-M0+ and Advanced Security
Building on the successful Kinetis K Series (K22 and K24), the K32 L3 family of MCUs delivers a 50% improvement in power optimization and security advancements over the previous generation, to address a wide range of industrial and IoT applications. The K32 L3 MCU family is based on the power-efficient Arm® Cortex® -M4 core and offers a Cortex-M0+, providing new enhancements such as low-leakage power-optimized peripherals, a DC-DC converter, and security features like authenticated boot, secure update and tamper detection pins.
The introduction of the K32 L3 MCU family is the start of a long line of MCUs, which will further advance NXP's security capabilities and power optimization features to lead the market in the next generation of low-leakage applications. The K32 L3 MCU family is complemented by a comprehensive ecosystem including MCUXpresso software and tools and a Freedom development board for easy prototyping.
Product Details
Features
Core Processor
- Arm Cortex-M4 core up to 72 MHz
- Cortex-M0+ core up to 72 MHz
Memories
- Up to 1.25 MB program flash memory
- Up to 384 kB SRAM
- 48 kB ROM with built-in secure boot loader
High Security
- Cryptographic subsystem that includes a dedicated core, dedicated instruction memory (IRAM and IROM), and dedicated data RAM for autonomous implementation of encryption, signing, and hashing algorithms including AES-256, 3DES/DES, SHA-256, and RSA and ECC acceleration
- Standalone True Random Number Generator (TRNG) with 512-bit of entropy and built-in statistical self-test
- Secure key management for storing and protecting sensitive security keys
- Wiping off the crypto subsystem memory including security keys upon sensing a security breach or physical tamper event
- Resource domain controller for access control, system memory protection, and peripheral isolation
- Built-in secure boot and secure over-the-air programming to assure only authorized and authenticated code runs on the device
Analog
- 1 x 12-bit single ended low-power ADC
- 2 x low-power comparator with 6-bit DAC
- 1 x 12-bit low-power DAC
- 1.2 V / 2.1 V dual-range voltage reference
Timers
- Up to 2 x 6 ch., 2 x 2 ch. Timer/PWM Modules
- Up to 2 x 4 ch. Low-Power Programmable Interrupt Timer
- Up to 3 x Low-Power Timers
- Real Time Clock (RTC)
- 1 x 56-bit Timestamp
Peripherals
- USB 2.0 Full-speed controller and transceiver
- 1 x 32 ch. FlexIO supporting emulation of UART, I²C, SPI, I²S, Camera IF, LCD RGB, PWM/Waveform generation
- Up to 4 x low-power UART
- Up to 4 x low-power I²C
- Up to 4 x 16-bit low-power SPI
- 1 x EMVSIM module supporting the ISO-7816 protocol
- 1 x Serial Audio Interface (SAI) with support for I²S and AC'97
- 1 x Secure Digital Hardware Controller (uSDHC)
- Parallel external FlexBus interface (RAM, ROM, simple follower devices)
Power Management
- Bypass mode: 1.71 V to 3.6 V
- Dual Output Buck DC-DC converter: 2.1 V to 3.6 V
- Core voltage bypass: 1.14 V to 1.45 V direct supply to the core, bypassing internal regulator
- Independent VDDIO1 and VDDIO2 supply: 1.71 V to 3.6 V
- Independent VBAT (RTC): 1.71 to 3.6 V
Packages
- 176 VFBGA, 9 mm x 9 mm x 0.86 mm, 0.5 mm pitch
- 121 MBGA, 8 mm x 8 mm x 1.4 mm, 0.65 mm pitch
- 100LQFP, 14 mm x 14 mm x 1.7 mm, 0.5 mm pitch
- 64QFN, 9 mm x 9 mm x 0.85 mmx 0.5 mm pitch
- 144 LQFP, 20 mm x 20 mm x 1.6 mm x 0.5 mm pitch
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Documentation
Quick reference to our documentation types.
5 documents
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Data Sheet
K32L3A Data Sheet
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Application Note
Dual-core Project Creation and Conversion for K32L3A6 Devices
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Fact Sheet
NXP K32 L3 MCU Fact Sheet
Design Resources
Hardware
Quick reference to our
board types.
1-5 of 9 hardware offerings
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Evaluation and Development BoardsNXP Freedom Development Platform for K32 L3 MCUsFeatured
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Emulators, Probes, and ProgrammersUniversal Multilink Development Interface
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Emulators, Probes, and ProgrammersMCU-Link Debug Probe
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Additional hardware available. View our featured partner solutions.
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Emulators, Probes, and ProgrammersPEmicro Cyclone programmer
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Emulators, Probes, and ProgrammersPEmicro Cyclone FX programmer
Software
Quick reference to our software types.
5 software files
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BSPs and Device Drivers
Open-CMSIS-Packs
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BSPs and Device Drivers
MCUXpresso Config Tools: Pins, Clocks and Peripherals
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Middleware
Audio Software on NXP Microcontrollers
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Additional software available. View our featured partner solutions.
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Debugging and Visualization Tools
LinkServer for Microcontrollers
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Development IDEs and Build Tools
MCUXpresso Integrated Development Environment (IDE)
Note: For better experience, software downloads are recommended on desktop.
Engineering Services
To get further assistance directly from NXP, please see our Engineering Services.
1 engineering service
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Independent Design House (IDH)
Full integration Support and Customization
To find additional partner offerings that support this product, visit our Partner Marketplace.