49.27 USART Electrical Specifications (PL0)

Table 49-37. USART Electrical Specifications (Performance Level 0 Mode)
AC CHARACTERISTICS				Standard Operating Conditions: VDD = AVDD = 1.62V to 3.63V (unless otherwise stated) Operating temperature: -40°C ≤ T_A ≤ +85°C for Industrial
Param. No.	Symbol	Characteristics		Min.	Typ.	Max.	Units	Conditions
UT_1	F_BRATE	Baud Rate	Asynchronous SAMPR = 16x mode	—	—	0.375	Mbps	—
UT_3			Asynchronous SAMPR = 8x mode	—	—	0.75	Mbps	—
UT_5			Asynchronous SAMPR = 3x mode	—	—	2	Mbps	—
UT_7			Synchronous Mode	—	—	1.5	Mbps	—
UT_9	F_USART	USART max GCLK_SERCOMx_CORE		—	—	FCLK_23	MHz	FCLK_23: Refer to Maximum Clock Frequencies Electrical Specifications
UT_11	F_XCK	USART External Clock Input		—	—	FCLK_23	MHz	—
Note: These parameters are characterized, but not tested in manufacturing.