MKL27Z32VFM4 Description
The KL27 series is optimized for cost-sensitive and batterypowered applications requiring low-power USB connectivity. The
product offers:
? 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
? Hardware CRC module
? Down to 46 μA/MHz in very low power run mode and 1.68
μA in stop mode (RAM + RTC retained)
MKL27Z32VFM4 Features
Core Processor
? ARM? Cortex?-M0+ core up to 48 MHz
Memories
? 32/64 KB program flash memory
? 8/16 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 SWD (serial wire debug) 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 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
MKL27Z32VFM4 Applications
? PC peripherals, gaming, GPS and sport equipment
? Alarm systems, Wired and wireless sensors, Video intercom
? Utility metering
