Datasheet

Note: The Teensy LC does not come with a micro-B USB cable.
Features:
 32 bit ARM Cortex-M0+ 48 MHz CPU
 62kB Flash Memory, 8kB RAM, 1/8(emu)kB EEPROM
 13 High Resolution Analog Inputs
 27 Digital I/O Pins (NOT 5V Tolerant)
 10 PWM outputs
 7 Timers for intervals/delays, separate from PWM
 3 UARTs (serial ports)
 SPI, I2C, & I2S
 I2S (for high quality audio interface)
 4 Lightweight DMA channels
 Touch Sensor Inputs
 1.4 x 0.7" (~35 x 18 mm)