CHAPTER 18 STANDBY FUNCTION
Preliminary User’s Manual U16315EJ1V0UD
344
Figure 18-1. Operation Timing When STOP Mode Is Released
Ring-OSC clock is
selected as CPU clock
when STOP instruction
is executed
Ring-OSC clock
X1 input clock
X1 input clock is
selected as CPU clock
when STOP instruction
is executed
STOP mode release
STOP mode
Operation stopped
(17/f
R
)
Clock switched
by software
Ring-OSC clock
X1 input clock
HALT status
(oscillation stabilization time set by OSTS)
X1 input clock