SH7708 Datasheet, PDF (450/625 Pages) Renesas Technology Corp – SuperH™ RISC engine

Standby
CKIO,
internal
clock
,,,,
t_OSC4
IRL3–IRL0
Stable oscillation
Note: Oscillation settling time when built-in oscillator is used
Figure 16.7 Standby Return Oscillation Settling Time (Return by IRL3–IRL0)
Stable input clock
EXTAL input
or CKIO
input
PLL synchronization
PLL output,
CKIO output
Reset or NMI interrupt request
Stable input clock
t_PLL
PLL synchronization
Internal clock
STATUS 0
STATUS 1
Normal
Standby
Normal
Note: PLL oscillation settling time when clock is input from EXTAL pin or CKIO pin
Figure 16.8 PLL Synchronization Settling Time in Case of Reset or NMI Interrupt
436