54.2.1 SERCOM

Table 54-2. Pinout Multiplexing Comparison (Peripheral Function C and D)
Peripheral Functions			C (SERCOM)		D (SERCOM ALT)
Pin#	SAM L10/L11	SAM L21	SAM L10/L11	SAM L21	SAM L10/L11	SAM L21
1	PA00/Xin32	PA00/Xin32			SERCOM1/PAD[0]	SERCOM1/PAD[0]
2	PA01/XOUT32	PA01/XOUT32			SERCOM1/PAD[1]	SERCOM1/PAD[1]
5	PA04	PA04			SERCOM0/PAD[0]	SERCOM0/PAD[0]
6	PA05	PA05			SERCOM0/PAD[1]	SERCOM0/PAD[1]
7	PA06	PA06			SERCOM0/PAD[2]	SERCOM0/PAD[2]
8	PA07	PA07			SERCOM0/PAD[3]	SERCOM0/PAD[3]
11	PA08	PA08	SERCOM1/PAD[0]	SERCOM0/PAD[0]	SERCOM2/PAD[0]	SERCOM2/PAD[0]
12	PA09	PA09	SERCOM1/PAD[1]	SERCOM0/PAD[1]	SERCOM2/PAD[1]	SERCOM2/PAD[1]
13	PA10	PA10	SERCOM1/PAD[2]	SERCOM0/PAD[2]	SERCOM2/PAD[2]	SERCOM2/PAD[2]
14	PA11	PA11	SERCOM1/PAD[3]	SERCOM0/PAD[3]	SERCOM2/PAD[3]	SERCOM2/PAD[3]
15	PA14/XIN	PA14/XIN	SERCOM2/PAD[2]	SERCOM2/PAD[2]	SERCOM0/PAD[2]	SERCOM4/PAD[2]
16	PA15/XOUT	PA15/XOUT	SERCOM2/PAD[3]	SERCOM2/PAD[3]	SERCOM0/PAD[3]	SERCOM4/PAD[3]
17	PA16	PA16	SERCOM1/PAD[0]	SERCOM1/PAD[0]	SERCOM0/PAD[0]	SERCOM3/PAD[0]
18	PA17	PA17	SERCOM1/PAD[1]	SERCOM1/PAD[1]	SERCOM0/PAD[1]	SERCOM3/PAD[1]
19	PA18	PA18	SERCOM1/PAD[2]	SERCOM1/PAD[2]	SERCOM0/PAD[2]	SERCOM3/PAD[2]
20	PA19	PA19	SERCOM1/PAD[3]	SERCOM1/PAD[3]	SERCOM0/PAD[3]	SERCOM3/PAD[3]
21	PA22	PA22	SERCOM0/PAD[0]	SERCOM3/PAD[0]	SERCOM2/PAD[0]	SERCOM5/PAD[0]
22	PA23	PA23	SERCOM0/PAD[1]	SERCOM3/PAD[1]	SERCOM2/PAD[1]	SERCOM5/PAD[1]
23	PA24	PA24	SERCOM0/PAD[2]	SERCOM3/PAD[2]	SERCOM2/PAD[2]	SERCOM5/PAD[2]
24	PA25	PA25	SERCOM0/PAD[3]	SERCOM3/PAD[3]	SERCOM2/PAD[3]	SERCOM5/PAD[3]

SERCOM Features Comparison

The following tables highlight SERCOM features differences with respect to the Pinout Multiplexing.

Table 54-3. SERCOM Features Comparison with SAM L21 (Peripheral Function C)
Pin Name		PA08, PA09		PA10, PA11		PA16, PA17		PA18, PA19		PA22, PA23		PA24, PA25
Features / SERCOM Instances		SAM L10/L11 SERCOM1	SAM L21 SERCOM0	SAM L10/L11 SERCOM1	SAM L21 SERCOM0	SAM L10/L11 - SAM L21 SERCOM1		SAM L10/L11 - SAM L21 SERCOM1		SAM L10/L11 SERCOM0	SAM L21 SERCOM3	SAM L10/L11 SERCOM0	SAM L21 SERCOM3
I²C	Full Speed	No	Yes	No	No	Yes	Yes	No	No	Yes	Yes	No	No
	Fast Mode Plus	No	Yes	No	No	Yes	Yes	No	No	Yes	Yes	No	No
	High Speed	No	Yes	No	No	No	Yes	No	No	Yes	Yes	No	No
USART	Auto-baud mode	No	Yes	No	Yes	No	Yes	No	Yes	No	Yes	No	Yes
USART	LIN Client	No	Yes	No	Yes	No	Yes	No	Yes	No	Yes	No	Yes

Table 54-4. SERCOM Features Comparison with SAM L21 (Peripheral Function D)
Pin Name		PA00, PA01		PA04, PA05, PA06, PA07		PA08, PA09		PA14, PA15		PA16, PA17		PA18, PA19		PA22,PA23
Features / SERCOM Instances		SAM L10/L11 - SAM L21 SERCOM1		SAM L10/L11 - SAM L21 SERCOM0		SAM L10/L11 - SAM L21 SERCOM2		SAM L10/L11 SERCOM0	SAM L21 SERCOM4	SAM L10/L11 SERCOM0	SAM L21 SERCOM3	SAM L10/L11 SERCOM0	SAM L21 SERCOM3	SAM L10/L11 SERCOM2	SAM L21 SERCOM5
I²C	Full Speed	No	No	No	No	No	Yes	No	No	Yes	Yes	No	No	No	Yes
	Fast Mode Plus	No	No	No	No	No	Yes	No	No	Yes	Yes	No	No	No	No
	High Speed	No	No	No	No	No	Yes	No	No	Yes	Yes	No	No	No	No
USART	Auto-baud mode	No	Yes	No	Yes	Yes	Yes	No	Yes	No	Yes	No	Yes	Yes	No
USART	LIN Client	No	Yes	No	Yes	Yes	Yes	No	Yes	No	Yes	No	Yes	Yes	No