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CHAPTER 47: ON CHIP DEBUGER (OCD)
5. Operation
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER
: ON CHIP DEBUGGER : OCD
FUJITSU SEMICONDUCTOR CONFIDENTIAL
34
Interrupt factor
Processing time difference
from when the OCD tool is
not connected
Remarks
All interrupts
Yes
No voltage step-down circuit switch
stabilization wait time (*2)
*: Only recovery from main/sub stop mode or
main/sub watch mode
Device states other
than those related to
reset
Operation difference from
when the OCD tool is not
connected
Remarks
Main RUN/main sleep
mode
Yes
PLL oscillation continues
PLL RUN/PLL sleep mode
No
Sub RUN/sub sleep mode
Yes
Main oscillation continues
PLL oscillation continues
Main/sub stop mode
Voltage step-down circuit is fixed
Main oscillation continues
Sub oscillation continues
PLL oscillation continues (illegal standby
mode transition detection is disabled)
Operation continues (CAN, RTC/WDT1
calibration counter operation)
Main/sub watch mode
Voltage step-down circuit is fixed
Main oscillation continues
*: Sub watch mode
Operation continues (CAN)
*1: For communication mode settings, see "SOFTUNE Workbench Operating Manual".
*2: Voltage step-down circuit stabilization waits time: about 6μs
MB91520 Series
MN705-00010-1v0-E
2045