MKL27Z256VLH4 Description
The KL27 series is optimized for cost-sensitive and battery-powered applications that require low-power USB connections. The product provides: embedded ROM with boot loader for USB FS 2.0 devices without external crystal, flexible program upgrade for high precision internal voltage and clock reference FlexIO support for any standard and custom peripheral emulation drop to 54uA/MHz in very low power operation mode, drop to 1.96uA in deep sleep mode (retain RAM+RTC)
MKL27Z256VLH4 Features
Core Processor
? ARM? Cortex?-M0+ core up to 48 MHz
Memories
? 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
? 48MHz high accuracy (up to 0.5%) internal reference
clock
? 8MHz/2MHz high accuracy (up to 3%) internal
reference clock
? 1KHz reference clock active under all low-power
modes (except VLLS0)
? 32–40KHz and 3–32MHz crystal oscillator
MKL27Z256VLH4 Applications
Run Mode
Active Background Mode
