Datasheet
Section 18 Clock Pulse Generator 
Rev.7.00 Feb. 14, 2007  page 800 of 1108 
REJ09B0089-0700 
18.4  Duty Adjustment Circuit 
When the oscillator frequency is 5 MHz or higher, the duty adjustment circuit adjusts the duty 
cycle of the clock signal from the oscillator to generate the system clock (φ). 
18.5 Medium-Speed Clock Divider 
The medium-speed clock divider divides the system clock to generate φ/2, φ/4, φ/8, φ/16, and φ/32. 
18.6  Bus Master Clock Selection Circuit 
The bus master clock selection circuit selects the system clock (φ) or one of the medium-speed 
clocks (φ/2, φ/4, φ/8, φ/16, or φ/32) to be supplied to the bus master, according to the settings of 
the SCK2 to SCK0 bits in SCKCR. 










