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CHAPTER 15 STANDBY FUNCTION
User’s Manual U15104EJ2V0UD
(c) Release by RESET input
If the RESET signal is input, the HALT mode is released. As is the case with normal reset operation,
the program is executed after branch to the reset vector address.
Figure 15-3. HALT Mode Release by RESET Input
Remarks 1. f
X
: System clock oscillation frequency
2. ( ): f
X
= 4.5 MHz
Table 15-2. Operation After HALT Mode Release
Release Source
MK
××
PR
××
IE
ISP
Operation
Maskable interrupt
0
0
0
×
Next address instruction execution
request
0
0
1
×
Interrupt servicing execution
0
1
0
1
Next address instruction execution
0
1
×
0
0
1
1
1
Interrupt servicing execution
1
×
×
×
HALT mode hold
Non-maskable interrupt
–
–
×
×
Interrupt servicing execution
request
RESET input
–
–
×
×
Reset processing
Remark
×
: Don’t care
HALT
instruction
RESET
signal
Operation
mode
Clock
Reset
period
HALT mode
Oscillation
Oscillation
stop
Oscillation
stabilization
wait status
Operation
mode
Oscillation
Wait
(2
17
/f
X
: 29.1 ms)