39.5.8 UPDI Timing

Table 39-23. UPDI Timing Characteristics

Symbol	Description	Min.	Max.	Unit
tRES	Duration of Handshake/Break on RESET	10	200	µs
tUPDI	Duration of UPDI.txd = 0	10	200	µs
tDeb0	Duration of Debugger.txd = 0	0.2	1	µs
tDebZ	Duration of Debugger.txd = z	200	14000	µs

Table 39-24. UPDI Max. Bit Rates vs. Temperature

Symbol	Description	Min.	Max.	Unit	Condition
fUPDI	UPDI baud rate	—	1.8	Mbps	Temp. 0ºC to 50ºC
		—	0.9	Mbps	Temp. <0ºC or >50ºC