39.22 SERCOM Synchronous and Asynchronous Receiver and Transmitter (SERCOM USART) Electrical Specifications

Table 39-29. USART AC Electrical Specifications(1)
AC CHARACTERISTICSStandard Operating Conditions: VDD and VDDIO 2.7V to 5.5V (unless otherwise stated)

Operating temperature:

-40°C ≤ TA ≤ +85°C for Industrial

Param. No.SymbolCharacteristicsMin.Typ.Max.UnitsConditions
UT_1FBRATEBaud RateAsynchronous SAMPR = 16x mode——3Mbps VDDIO = 2.7V,

CLOAD = 30 pF(max)

UT_3Asynchronous SAMPR = 8x mode——6Mbps
UT_5Asynchronous SAMPR = 3x mode——6Mbps
UT_21Synchronous mode——2.4Mbps VDDIO = 2.7V,

CLOAD = 30 pF(max)

UT_23FUSARTUSART maximum GCLK_SERCOM——FCLK_23MHz
UT_25FXCKUSART External Clock Input——FCLK_45MHz
Note:
  1. These parameters are characterized, but not tested in manufacturing.