NEC 78K0 User Manual page 458

(2) STOP mode release
Figure 21-5. Operation Timing When STOP Mode Is Released
STOP mode release
STOP mode
X1 input clock
Ring-OSC clock
X1 input clock is
selected as CPU clock
when STOP instruction
is executed
Ring-OSC clock is
selected as CPU clock
when STOP instruction
is executed
The STOP mode can be released by the following two sources.
458
CHAPTER 21 STANDBY FUNCTION
HALT status
(oscillation stabilization time set by OSTS)
Ring-OSC clock
Operation stopped
(17/f )
R
User's Manual U15947EJ2V0UD
X1 input clock
X1 input clock
Clock switched
by software
*