49.28 USART Electrical Specifications (PL2)

Table 49-38. USART Electrical Specifications (Performance Level 2 Mode)
AC CHARACTERISTICSStandard Operating Conditions: VDD = AVDD = 1.62V to 3.63V (unless otherwise stated)

Operating temperature: -40°C ≤ TA ≤ +85°C for Industrial

Param. No.SymbolCharacteristicsMin.Typ.Max.UnitsConditions
UT_21FBRATEBaud Rate

Asynchronous

SAMPR = 16x mode

1.5Mbps
UT_23

Asynchronous

SAMPR = 8x mode

3Mbps
UT_25

Asynchronous

SAMPR = 3x mode

8Mbps
UT_27Synchronous Mode6Mbps
UT_29FUSARTUSART max GCLK_SERCOMx_COREFCLK_23 MHzFCLK_23: Refer to

Maximum Clock Frequencies Electrical Specifications

UT_31FXCKUSART External Clock InputFCLK_23MHz
Note:
  1. These parameters are characterized, but not tested in manufacturing.