NEC mPD780973 Series Preliminary User's Manual page 252

(b) Clear upon RESET input
The STOP mode is cleared and after the lapse of oscillation stabilization time, reset operation is carried out.
STOP instruction
RESET
signal
Operating mode
Oscillation
Clock
Remarks 1. f : Main system clock oscillation frequency
X
2. Values in parentheses apply to operation with f
Clear Source
Maskable interrupt request
RESET input
×: don't care
252
CHAPTER 20 STANDBY FUNCTION
Figure 20-5. STOP Mode Clear upon RESET Input
STOP mode
Oscillation stop
Table 20-4. Operation after STOP Mode Clear
MK×× PR××
0 0
0 0
0 1
0 1
0 1
×
1
— —
Wait
17
(2 /f : 15.6 ms)
X
Reset
Oscillation stabilization
period
wait status
Oscillation
= 8.38 MHz.
X
IE ISP
×
0 Next address instruction execution
×
1 Interrupt service execution
0 1 Next address instruction execution
×
0
1 1 Interrupt service execution
× ×
STOP mode hold
× ×
Reset processing
Operating mode
Operation