The MKL17Z256VMP4 is a 48 MHz ARM? Cortex?-M0+ and 128/256 KB Flash Kinetis KL17 Microcontroller from the KL17 series optimized for cost-sensitive and battery-powered applications requiring low-power general-purpose connectivity.
MKL17Z256VMP4 Features
ARM? Cortex?-M0+ core up to 48 MHz
128/256 KB program flash memory
32 KB SRAM
16 KB ROM with built-in bootloader
32-byte backup register
One UART module supporting ISO7816, operating up to 1.5 Mbit/s
One UART module supporting ISO7816, operating up to 1.5 Mbit/s
Two low-power UART modules supporting asynchronous operation in low-power modes
Two I2C modules and I2C0 supporting up to 1 Mbit/s
Two 16-bit SPI modules supporting up to 24 Mbit/s
One FlexIO module supporting emulation of additional UART, IrDA, SPI, I2C, I2S, PWM and other serial modules, etc.
One serial audio interface I2S
One 16-bit 818 ksps ADC module with high accuracy internal voltage reference (Vref) and up to 16 channels
High-speed analogue comparator containing a 6-bit DAC for programmable reference input