UPSD3354DV-40U6 Datasheet, PDF (60/272 Pages) STMicroelectronics – fast 8032 MCU with programmable logic

Debug unit
UPSD33xx
event signal. If not used, the Debug Event pin should be pulled up to V_CC as described
in Section 27.5.8: Debugging the 8032 MCU module on page 240.
● The duration of a pulse, generated when the Event pin configured as an output, is one
MCU clock cycle. This is an active-low signal, so the first edge when an event occurs is
high-to-low.
● The clock to the Watchdog timer, ADC, and I²C interface are not stopped by a
breakpoint halt.
● The Watchdog timer should be disabled while debugging with JTAG, else a reset will be
generated upon a watchdog timeout.
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Doc ID 9685 Rev 7