CHAPTER 15 STANDBY FUNCTION
(b) Releasing by RESET input
When the STOP mode is released by the RESET signal, the reset operation is performed after the
oscillation stabilization time has elapsed.
Figure 15-5. Releasing STOP Mode by RESET Input
STOP
instruction
Wait
RESET
signal
Oscillation
stabilization
wait status
Operation
mode
Reset
period
Operation
mode
STOP mode
Oscillation
Oscillation
stops
Oscillation
Clock
Remark fX: Main system clock oscillation frequency
Table 15-4. Operation After Releasing STOP Mode
Releasing Source
MKxx
IE
0
Operation
Maskable interrupt request
0
0
1
−
Executes next address instruction
Executes interrupt servicing
Retains STOP mode
1
x
RESET input
-−-
Reset processing
x: don’t care
286
User’s Manual U15075EJ1V0UM00
NEC [ NEC ]
