37.21 UPDI

Figure 37-8. UPDI Enable Sequence with Dedicated UPDI Pin
Table 37-28. UPDI Timing Specifications
SymbolDescriptionMin.Max.Unit
tRES *Duration of Handshake/Break on RESET10200µs
tUPDI *Duration of UPDI.txd = 010200µs
tDeb0 *Duration of Debugger.txd = 00.21µs
tDebZ *Duration of Debugger.txd = z20014000µs
fUPDI *UPDI baud rate—1.8Mbps0ºC ≤ TA ≤ +50ºC
—0.9Mbps TA < 0ºC or TA > +50ºC

* These parameters are characterized but not tested in production.