
User’s Manual U15905EJ2V1UD
202
CHAPTER 6 CLOCK GENERATION FUNCTION
6.1
Overview
The features of the clock generation function are as follows.
Main clock oscillator (fX)
2 to 20 MHz (at 2.2 to 2.7 V operation)
Subclock oscillator (fXT)
32.768 kHz
Generation of internal system clock (fCLK)
Seven steps (fXX, fXX/2, fXX/4, fXX/8, fXX/16, fXX/32, fXT)
Generation of peripheral clock
Clock output function (CLKOUT)