NXP MKL04Z16VLF4, 32bit ARM Cortex M0+ Microcontroller, Kinetis, 48MHz, 16 KB Flash, 48-Pin LQFP

The Kinetis KL04 32 KB Flash microcontroller designed with efficiency in mind. Features a size efficient, small package, energy efficient ARM Cortex-M0+ 32 bit performance. Energy saving architecture is optimized for low power with 90 nm TFS technology, clock and power gating techniques, and zero wait state flash memory controller.

Periodic interrupt timers
16 bit low power timer
Real time clock
Low leakage wakeup unit
Bit manipulation engine