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 FunctionsC (SERCOM)D (SERCOM ALT)
Pin#SAM L10/L11SAM D21SAM L10/L11SAM D21SAM L10/L11SAM D21
1PA00/Xin32PA00/Xin32- -SERCOM0/PAD[2]SERCOM1/PAD[0]
2PA01/XOUT32PA01/XOUT32 - -SERCOM0/PAD[3]SERCOM1/PAD[1]
5PA04PA04- --SERCOM0/PAD[0]
6PA05PA05- --SERCOM0/PAD[1]
7PA06PA06 ---SERCOM0/PAD[2]
8PA07PA07 ---SERCOM0/PAD[3]
11PA08PA08SERCOM1/PAD[0]SERCOM0/PAD[0]SERCOM2/PAD[0]SERCOM2/PAD[0]
12PA09PA09SERCOM1/PAD[1]SERCOM0/PAD[1]SERCOM2/PAD[1]SERCOM2/PAD[1]
13PA10PA10SERCOM1/PAD[2]SERCOM0/PAD[2]SERCOM2/PAD[2]SERCOM2/PAD[2]
14PA11PA11SERCOM1/PAD[3]SERCOM0/PAD[3]SERCOM2/PAD[3]SERCOM2/PAD[3]
15PA14/XINPA14/XINSERCOM2/PAD[2]SERCOM2/PAD[2]SERCOM0/PAD[2]SERCOM4/PAD[2]
16PA15/XOUTPA15/XOUTSERCOM2/PAD[3]SERCOM2/PAD[3]SERCOM0/PAD[3]SERCOM4/PAD[3]
17PA16PA16SERCOM1/PAD[0]SERCOM1/PAD[0]SERCOM0/PAD[0]SERCOM3/PAD[0]
18PA17PA17SERCOM1/PAD[1]SERCOM1/PAD[1]SERCOM0/PAD[1]SERCOM3/PAD[1]
19PA18PA18SERCOM1/PAD[2]SERCOM1/PAD[2]SERCOM0/PAD[2]SERCOM3/PAD[2]
20PA19PA19SERCOM1/PAD[3]SERCOM1/PAD[3]SERCOM0/PAD[3]SERCOM3/PAD[3]
21PA22PA22SERCOM0/PAD[0]SERCOM3/PAD[0]SERCOM2/PAD[0]SERCOM5/PAD[0]
22PA23PA23SERCOM0/PAD[1]SERCOM3/PAD[1]SERCOM2/PAD[1]SERCOM5/PAD[1]
23PA24PA24SERCOM0/PAD[2]SERCOM3/PAD[2]SERCOM2/PAD[2]SERCOM5/PAD[2]
24PA25PA25SERCOM0/PAD[3]SERCOM3/PAD[3]SERCOM2/PAD[3]SERCOM5/PAD[3]
31PA30PA30 -- SERCOM1/PAD[2]SERCOM1/PAD[2]
32PA31PA31- -SERCOM1/PAD[3]SERCOM1/PAD[3]
Table 55-7. SERCOM Features Comparison with SAM D21 (Peripheral Function C)
Pin Name PA08, PA09PA10, PA11PA16, PA17PA18, PA19PA22, PA23PA24, PA25
Features / SERCOM InstancesSAM L10/L11 SERCOM1SAM D21 SERCOM0SAM L10/L11 SERCOM1SAM D21 SERCOM0SAM L10/L11 - SAM D21 SERCOM1SAM L10/L11 - SAM D21 SERCOM1SAM L10/L11 SERCOM0SAM D21 SERCOM3SAM L10/L11 SERCOM0SAM D21 SERCOM3
I2CFull SpeedNoYesNoNoYesYesNoNoYesYesNoNo
Fast Mode PlusNoYesNoNoYesYesNoNoYesYesNoNo
High SpeedNoYesNoNoNoYesNoNoYesYesNoNo
USARTAuto-baud modeNoYesNoYesNoYesNoYesNoYesNoYes
LIN ClientNoYesNoYesNoYesNoYesNoYesNoYes
Table 55-8. SERCOM Features Comparison with SAM D21 (Peripheral Function D)
Pin NamePA00, PA01PA04, PA05, PA06, PA07PA08, PA09PA14, PA15PA16, PA17PA18, PA19PA22, PA23PA30, PA31
Features / SERCOM InstancesSAM L10/L11 SERCOM0SAM D21 SERCOM1SAM L10/L11 - SAM D21 SERCOM0SAM L10/L11 - SAM D21 SERCOM2SAM L10/L11 SERCOM0SAM D21 SERCOM4SAM L10/L11 SERCOM0SAM D21 SERCOM3SAM L10/L11 SERCOM0SAM D21 SERCOM3SAM L10/L11 SERCOM2SAM D21 SERCOM5SAM L10/L11 SERCOM1SAM D21 SERCOM5
I2CFull SpeedNoNoNoNoNoYesNoNoYesYesNoNoNoYesNoNo
Fast Mode PlusNoNoNoNoNoYesNoNoYesYesNoNoNoYesNoNo
High SpeedNoNoNoNoNoYesNoNoYesYesNoNoNoYesNoNo
USARTAuto-baud modeNoYesNoYesYesYesNoYesNoYesNoYesYesYesNoYes
LIN ClientNoYesNoYesYesYesNoYesNoYesNoYesYesYesNoYes