55.2.3 SERCOM (SAM D21)

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

Table 55-6. SAM D21 Pinout Multiplexing Comparison (Peripheral Function C and D)
Peripheral Functions C (SERCOM) D (SERCOM ALT)
Pin# SAM L10/L11 SAM D21 SAM L10/L11 SAM D21 SAM L10/L11 SAM D21
1 PA00/Xin32 PA00/Xin32 - - SERCOM0/PAD[2] SERCOM1/PAD[0]
2 PA01/XOUT32 PA01/XOUT32 - - SERCOM0/PAD[3] SERCOM1/PAD[1]
5 PA04 PA04 - - - SERCOM0/PAD[0]
6 PA05 PA05 - - - SERCOM0/PAD[1]
7 PA06 PA06 - - - SERCOM0/PAD[2]
8 PA07 PA07 - - - 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]
31 PA30 PA30 - - SERCOM1/PAD[2] SERCOM1/PAD[2]
32 PA31 PA31 - - SERCOM1/PAD[3] SERCOM1/PAD[3]
Table 55-7. SERCOM Features Comparison with SAM D21 (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 D21 SERCOM0 SAM L10/L11 SERCOM1 SAM D21 SERCOM0 SAM L10/L11 - SAM D21 SERCOM1 SAM L10/L11 - SAM D21 SERCOM1 SAM L10/L11 SERCOM0 SAM D21 SERCOM3 SAM L10/L11 SERCOM0 SAM D21 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
LIN Client No Yes No Yes No Yes No Yes No Yes No Yes
Table 55-8. SERCOM Features Comparison with SAM D21 (Peripheral Function D)
Pin Name PA00, PA01 PA04, PA05, PA06, PA07 PA08, PA09 PA14, PA15 PA16, PA17 PA18, PA19 PA22, PA23 PA30, PA31
Features / SERCOM Instances SAM L10/L11 SERCOM0 SAM D21 SERCOM1 SAM L10/L11 - SAM D21 SERCOM0 SAM L10/L11 - SAM D21 SERCOM2 SAM L10/L11 SERCOM0 SAM D21 SERCOM4 SAM L10/L11 SERCOM0 SAM D21 SERCOM3 SAM L10/L11 SERCOM0 SAM D21 SERCOM3 SAM L10/L11 SERCOM2 SAM D21 SERCOM5 SAM L10/L11 SERCOM1 SAM D21 SERCOM5
I2C Full Speed No No No No No Yes No No Yes Yes No No No Yes No No
Fast Mode Plus No No No No No Yes No No Yes Yes No No No Yes No No
High Speed No No No No No Yes No No Yes Yes No No No Yes No No
USART Auto-baud mode No Yes No Yes Yes Yes No Yes No Yes No Yes Yes Yes No Yes
LIN Client No Yes No Yes Yes Yes No Yes No Yes No Yes Yes Yes No Yes