Справочник Пользователя для IBM uPD78P083
200
CHAPTER 13 STANDBY FUNCTION
RESET
Signal
Signal
Operating
Mode
Mode
Clock
Reset
Period
Period
STOP Mode
Oscillation Stop
Oscillation
Stabilization
Wait Status
Stabilization
Wait Status
Operating
Mode
Mode
Oscillation
Wait
(2
17
/f
x
: 26.2 ms)
STOP
Instruction
Instruction
Oscillation
(b) Release by RESET input
The STOP mode is cleared and after the lapse of oscillation stabilization time, reset operation is carried
out.
Figure 13-5. Release by STOP Mode RESET Input
Remarks 1. f
X
: main system clock oscillation frequency
2. Values in parentheses when operated at f
X
= 5.0 MHz
Table 13-4. Operation after STOP Mode Release
Release Source
MK
××
PR
××
IE
ISP
Operation
Maskable interrupt request
0
0
0
×
Next address instruction execution
0
0
1
×
Interrupt service execution
0
1
0
1
Next address instruction execution
0
1
×
0
0
1
1
1
Interrupt service execution
1
×
×
×
STOP mode hold
RESET input
–
–
×
×
Reset processing
Remark
×
: Don’t care