43.27 SWD 2-Wire AC Electrical Specifications
AC Characteristics | Standard Operating Conditions: VDD = 1.9V to 3.6V (unless otherwise stated) Operating Temperature: -40°C ≤ TA ≤ +85°C for Industrial Temp -40°C ≤ TA ≤ +125°C for Extended Temp | ||||||
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Param. No. | Symbol | Characteristics | Min. | Typ | Max. | Units | Conditions |
SWD_1 | fSWDCLK | SWDCLK clock frequency | — | — | 25 | MHz | VDD at 1.9V – 3.6V |
SWD_3 | tSWDCLKHIGH | SWDCLK clock high time | 20 | — | — | ns | — |
SWD_5 | tSWDCLKLOW | SWDCLK clock low time | 20 | — | — | ns | — |
SWD_4 | tSWDCLKRISE | SWDCLK clock rise time | — | — | 9.5 | ns | — |
SWD_6 | tSWDCLKFALL | SWDCLK clock fall time | — | — | 9.5 | ns | — |
SWD_7 | tSWDIOSKEW | SWDIO skew | -5 | — | +5 | ns | — |
SWD_9 | tSWDIOSETUP | SWDIO setup time | 4 | — | — | ns | — |
SWD_11 | tSWDIOHOLD | SWDIO hold time | 1 | — | — | ns | — |
Note: These parameters are characterized but not tested in manufacturing. |