NXP Semiconductors K32L2Ax Data Sheet: Technical Data Rev. 3, 02/2021 K32 L2A Microcontroller with 512 K32L2A41VLL1A K32L2A31VLL1A KB Flash and 128 KB SRAM K32L2A41VLH1A 72 MHz Cortex-M0+ based Microcontroller K32L2A31VLH1A Supports ultra-low-power Arm based microcontroller with crystal- less USB feature, large flash and RAM, evolutionary low-power peripherals and security features. This is an ideal solution for Sensor Hub applications, Smart Energy, Internet of Things, and Edge and Concentrator. This device offers: 128 KB SRAM for data processing and connectivity stack Ultra low dynamic and static power consumption with smart peripherals for low power applications Advanced LPI2C and LPSPI supporting asynchronous DMA master data transition 100 LQFP 64 LQFP FlexIO for flexible and high performance interfaces 14x14 mm P 0.5 mm 10x10 mm P 0.5 mm Crypto acceleration with AES/DES/3DES/MD5/SHA and TRNG USB FS 2.0 device operation without need of external crystal USB FS OTG controller, capable of USB host or device operation Core Communication interfaces Arm Cortex -M0+ cores up to 72 MHz in Normal Three 16-bit Low Power Serial Peripheral Interface mode and 96 MHz in High Speed mode (LPSPI) modules One EMVSIM module supporting EMV version 4.3, Memories ISO7816 Up to 512 KB program flash memory Three LPUART modules 128 KB SRAM Three LPI2C modules supporting up to 5 Mbit/s 32 KB ROM with built-in bootloader One FlexIO module emulating UART, SPI, camera interface, and Motorola 68K/Intel 8080 bus System peripherals USB FS 2.0 device operation without need of 8-channel DMA controller external crystal Independent clocked Watchdog USB FS OTG controller, capable of USB host or Low-leakage wakeup unit device operation SWD debug interface and Micro Trace Buffer Bit Manipulation Engine Analog Modules Memory Mapped Divide and Square Root module 16-bit, 24-channel SAR ADC with internal voltage (MMDVSQ) reference Cyclic Redundancy Check (CRC) module Two High-speed analog comparators each Nested Vector Interrupt Controller (NVIC) supports 32 containing a 6-bit DAC and programmable reference interrupt vectors input Additional peripheral interrupt support via Interrupt One 12-bit DAC Multiplexer (INTMUX) 1.2 V and 2.1 V voltage references (Vref) Clocks Timers One 6-channel Timer/PWM module NXP reserves the right to change the production detail specifications as may be required to permit improvements in the design of its products. System Clock Generator module that includes the Two 2-channel Timer/PWM modules following clock sources: Two low-power timers 48 to 60 MHz high accuracy fast internal Two periodic interrupt timers reference clock (FIRC) Secure Real time clock 3240 kHz, or 332 MHz crystal oscillator 56-bit software time stamp timer at 1 MHz 1 kHz LPO clock Security and integrity modules 2/8 MHz slow internal reference clock (SIRC) 80-bit unique identification number per chip Peripheral Clock Control (PCC) module that CAU supports acceleration of the DES, 3DES, AES, supports asynchronous clocking and clock divide MD5, SHA-1, and SHA-256 algorithms options for peripherals True Random Number Generator (TRNG) Human-machine interface Operating Characteristics General-purpose input/output up to 97 Low-power hardware touch sensor interface (TSI) Voltage range: 1.71 to 3.6 V Temperature range: 40 to 105 C Related Resources Type Description Resource Selector The NXP Solution Advisor is a web-based tool that features interactive Solution Advisor Guide application wizards and a dynamic product selector. 1 Reference The Reference Manual contains a comprehensive description of the K32L2AxRM Manual structure and function (operation) of a device. 1 Data Sheet The Data Sheet includes electrical characteristics and signal This document connections. 1 Chip Errata The chip mask set Errata provides additional or corrective information for K32L2A41VLL1A 1N52N a particular device mask set. 1 Package Package dimensions are provided in package drawings. 64-LQFP: 98ASS23234W drawing 100-LQFP: 1 98ASS23308W 1. To find the associated resource, go to