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QB-V850ESFJ3 Preliminary User's Manual
4.9 Cautions on On-Chip Debug Function
The on-chip debug function cannot be emulated.
Use the on-chip debug function with an on-chip debug emulator and a target device with the flash memory.
4.10 Cautions on Standby Mode
The timings of setting and releasing standby mode in IECUBE differ from those in the target device.
The timing margin is within 1 clock for setting and 2 to 3 clocks for releasing.
4.11 Operation During Break
To stop the peripheral functions of the in-circuit emulator during a break, select the Break radio button in the
Peripheral Break field in the Configuration dialog box of the debugger. The following functions can be stopped.
• Watch timer
• 16-bit timer/counter (TMP, TMQ, TMM)
• A/D converter
However, the count operation of watchdog timer 2 is stopped during a break regardless of the peripheral break
settings.
4.12 Cautions on RAM Hold Voltage Flag
The RAM hold voltage flag (RAMF) is not set to 1 by a forcible reset by the debugger, a reset by POC/LVI, or a
reset during accessing the RAM.
4.13 Cautions on Current Consumption
Current consumption cannot be emulated in IECUBE.
Since the internal clock supply is not stopped in a mode other than normal operating mode according to the
specifications of the emulator, IECUBE consumes more current than is consumed by the target device.
4.14 Cautions on ROM Correction Function
The ROM correction function cannot be emulated. To use this function, make an evaluation by using the target
device.
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