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 modeMbpsVDD = 3.3V, CLOAD = 30 pF(max)
MbpsVDD = 1.8V, CLOAD = 30 pF(max)
UT_3Asynchronous SAMPR = 8x modeMbpsVDD = 3.3V, CLOAD = 30 pF(max)
MbpsVDD = 1.8V, CLOAD = 30 pF(max)
UT_5Asynchronous SAMPR = 3x modeMbpsVDD = 3.3V, CLOAD = 30 pF(max)
MbpsVDD = 1.8V, CLOAD = 30 pF(max)
UT_19Synchronous mode X2 modeMbpsVDD = 3.3V, CLOAD = 30 pF(max)
MbpsVDD = 1.8V, CLOAD = 30 pF(max)
UT_21Synchronous mode X1 modeMbpsVDD = 3.3V, CLOAD = 30 pF(max)
MbpsVDD = 1.8V, CLOAD = 30 pF(max)
UT_23fUSARTUSART max GCLKSERCOMFCLK_23MHz
UT_25fXCKUSART external clock inputMHz
Note:
  1. These parameters are characterized, but not tested in manufacturing.