RX21A_15 Datasheet, PDF (85/132 Pages) Renesas Technology Corp – Renesas MCUs

RX21A Group
5. Electrical Characteristics
MOSCCR.MOSTP
Main clock oscillator output
PLLCR2.PLLEN
PLL circuit output
PLL clock
t_MAINOSC
t_PLL1
t_PLLWT1
Figure 5.31 PLL Clock Oscillation Start Timing (PLL is Operated after Main Clock Oscillation Has
Settled)
MOSCCR.MOSTP
Main clock oscillator output
t_MAINOSC
PLLCR2.PLLEN
PLL circuit output
PLL clock
t_PLL2
t_PLLWT2
Figure 5.32 PLL Clock Oscillation Start Timing (PLL is Operated before Main Clock Oscillation Has
Settled)
PLLPCR.PLLPCNT
PLLCR2.PLLEN
Internal power supply for PLL
t_PLLPW
Figure 5.33 PLL Power Control Timing
R01DS0129EJ0110 Rev.1.10
Aug 28, 2014
Page 85 of 132