Datasheet

Clock source
Freedom FRDM-KV31F Development Platform User’s Guide, User's Guide, 0, 02/2016
Freescale Semiconductor, Inc. 7
 Two analog comparators (CMP) with a 6-bit DAC.
 Accurate internal voltage reference/
Timers
 Two 8-ch motor-control/general purpose/PWM timers.
 Two 2-ch motor-control/general purpose timers with quadrature
decoder functionality.
 Periodic interrupt timers.
 16-bit low-power timer.
 Programmable delay block.
Communication interfaces
 Two SPI modules.
 Three UART modules and one low-power UART.
 Two I2C: Support for up to 1 Mbit/s operation
5. Clock source
An 8 MHz external crystal is used for the external clock source of the KV31 MCU.
Figure 5. Clock source