Stop Mode Release By Reset Input - NEC mPD780208 Subseries User Manual

8-bit single-chip microcontrollers
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(c) Release by RESET input
When a RESET signal is input, the STOP mode is released. After the lapse of oscillation stabilization
time, a reset operation is carried out.
RESET
signal
Operating
Oscillation
Clock
Remarks 1. f
X
2. Figures in parentheses apply to operation with f
Release Source
Maskable interrupt request
Test input
RESET input
×: don't care
366
CHAPTER 17 STANDBY FUNCTION
Figure 17-5. STOP Mode Release by RESET Input
STOP
instruction
STOP mode
mode
Oscillation stop
: Main system clock oscillation frequency
Table 17-4. Operation After STOP Mode Release
MK××
PR××
0
0
0
0
0
1
0
1
0
1
×
1
0
1
User's Manual U11302EJ4V0UM
Wait
(2
/f
: 26.2 ms)
17
X
Oscillation
Reset
stabilization
period
wait status
Oscillation
= 5.0 MHz.
X
IE
ISP
×
0
Next address instruction execution
×
1
Interrupt servicing
0
1
Next address instruction execution
×
0
1
1
Interrupt servicing
×
×
STOP mode hold
×
×
Next address instruction execution
×
×
STOP mode hold
×
×
Reset processing
Operating
mode
Operation

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