Kinetis KL17: 48MHz Cortex-M0+ Ultra-Low Power MCU, 128KB Flash, 32KB SRAM, 64-MAPBGA
Freescale
Freescale - MKL14Z32VFM4
Freescale - MKL14Z32VFT4
$7.09
Freescale - MKL14Z32VLH4
$3.33
Freescale - MKL14Z32VLK4
Freescale - MKL14Z64VFM4
Freescale - MKL14Z64VFT4
$3.17