37.14 SERCOM Universal Synchronous and Asynchronous Receiver and Transmitter (SERCOM USART)

Table 37-25. SERCOM USART Electrical Specifications(1)
Standard operating conditions: VDDIO = AVDD = 1.8V to 5.5V (Unless otherwise stated)

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

Param. No.SymbolCharacteristicsMin.TypicalMax.UnitsConditions
UT_1FBRATEBaud RateAsynchronous SAMPR = 16x mode———MbpsVDD = 3.3V, CLOAD = 30 pF(max)
———MbpsVDD = 1.8V, CLOAD = 30 pF(max)
UT_3Asynchronous SAMPR = 8x mode———MbpsVDD = 3.3V, CLOAD = 30 pF(max)
———MbpsVDD = 1.8V, CLOAD = 30 pF(max)
UT_5Asynchronous SAMPR = 3x mode———MbpsVDD = 3.3V, CLOAD = 30 pF(max)
———MbpsVDD = 1.8V, CLOAD = 30 pF(max)
UT_19Synchronous mode X2 mode———MbpsVDD = 3.3V, CLOAD = 30 pF(max)
———MbpsVDD = 1.8V, CLOAD = 30 pF(max)
UT_21Synchronous mode X1 mode———MbpsVDD = 3.3V, CLOAD = 30 pF(max)
———MbpsVDD = 1.8V, CLOAD = 30 pF(max)
UT_23fUSARTUSART max GCLKSERCOM——FCLK_23MHz—
UT_25fXCKUSART external clock input———MHz—
Note:
  1. These parameters are characterized, but not tested in manufacturing.