36.21 UPDI Timing
UPDI Enable Sequence with UPDI PAD Enabled by Fuse(1)
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 |
Note:
- These parameters are for design guidance only and are not covered by production test limits.
Symbol | Description | Condition | Max | Unit |
---|---|---|---|---|
fUPDI | UPDI baud rate |
VDD = [1.8, 5.5]V |
225 | kbps |
VDD = [2.2, 5.5]V |
450 | kbps | ||
VDD = [2.7, 5.5]V |
0.9 | Mbps |
Note:
- These parameters are for design guidance only and are not covered by production test limits.