K32L2B31VFM0A [NXP]

K32L2B31VFM0A                   Description

The K32 L2B series is optimized for cost-sensitive and batterypowered applications requiring low-power USB connectivity and an optional segment LCD (SLCD). The product offers:

? Optional low power segment LCD up to 24x8 or 28x4

? USB FS 2.0 device without requiring an external crystal

? Embedded ROM with boot loader for flexible program

upgrade

? High accuracy internal voltage and clock reference

? FlexIO to support any standard and customized serial

peripheral emulation

? Down to 54 uA/MHz in very low power run mode and 1.96

uA in deep sleep mode (RAM + RTC retained)

K32L2B31VFM0A                            Applications

? Down to 54 μA/MHz in very low power run mode

? Down to 1.96 μA in VLLS3 mode (RAM + RTC

retained)

? Six flexible static modes

K32L2B31VFM0A                        Features

Core Processor

? Arm? Cortex?-M0+ core up to 48 MHz

Memories

? 64/128/256 KB program flash memory

? 32 KB SRAM

? 16 KB ROM with build-in bootloader

? 32-byte backup register

System

? 4-channel asynchronous DMA controller

? Watchdog

? Low-leakage wakeup unit

? Two-pin Serial Wire Debug (SWD) programming and

debug interface

? Micro Trace Buffer

? Bit manipulation engine

? Interrupt controller

Clocks

? 48 MHz high accuracy (up to 0.5%) internal reference

clock

? 8 MHz/2 MHz high accuracy (up to 3%) internal

reference clock

? 1 KHz reference clock active under all low-power

modes (except VLLS0)

? 32–40 KHz and 3–32 MHz crystal oscillator