Datasheet

12
Atmel | SMART SAM D20 [DATASHEET]
Atmel-42129K–SAM-D20_datasheet–06/2014
Note: 1. All analog pin functions are on peripheral function B. Peripheral function B must be selected to disable the digital control of the pin.
28 PB15 VDDIO EXTINT[15] X[15]
SERCOM4/
PAD[3]
TC5/
WO[1]
GCLK_IO[1]
21 29 PA12 VDDIO I
2
C EXTINT[12]
SERCOM2/
PAD[0]
SERCOM4/
PAD[0]
TC2/
WO[0]
AC/CMP[0]
22 30 PA13 VDDIO I
2
C EXTINT[13]
SERCOM2/
PAD[1]
SERCOM4/
PAD[1]
TC2/
WO[1]
AC/CMP[1]
15 23 31 PA14 VDDIO EXTINT[14]
SERCOM2/
PAD[2]
SERCOM4/
PAD[2]
TC3/
WO[0]
GCLK_IO[0]
16 24 32 PA15 VDDIO EXTINT[15]
SERCOM2/
PAD[3]
SERCOM4/
PAD[3]
TC3/
WO[1]
GCLK_IO[1]
17 25 35 PA16 VDDIO I
2
C EXTINT[0] X[4]
SERCOM1/
PAD[0]
SERCOM3/
PAD[0]
TC2/
WO[0]
GCLK_IO[2]
18 26 36 PA17 VDDIO I
2
C EXTINT[1] X[5]
SERCOM1/
PAD[1]
SERCOM3/
PAD[1]
TC2/
WO[1]
GCLK_IO[3]
19 27 37 PA18 VDDIO EXTINT[2] X[6]
SERCOM1/
PAD[2]
SERCOM3/
PAD[2]
TC3/
WO[0]
AC/CMP[0]
20 28 38 PA19 VDDIO EXTINT[3] X[7]
SERCOM1/
PAD[3]
SERCOM3/
PAD[3]
TC3/
WO[1]
AC/CMP[1]
39 PB16 VDDIO I
2
C EXTINT[0]
SERCOM5/
PAD[0]
TC6/
WO[0]
GCLK_IO[2]
40 PB17 VDDIO I
2
C EXTINT[1]
SERCOM5/
PAD[1]
TC6/
WO[1]
GCLK_IO[3]
29 41 PA20 VDDIO EXTINT[4] X[8]
SERCOM5/
PAD[2]
SERCOM3/
PAD[2]
TC7/
WO[0]
GCLK_IO[4]
30 42 PA21 VDDIO EXTINT[5] X[9]
SERCOM5/
PAD[3]
SERCOM3/
PAD[3]
TC7/
WO[1]
GCLK_IO[5]
21 31 43 PA22 VDDIO I
2
C EXTINT[6] X[10]
SERCOM3/
PAD[0]
SERCOM5/
PAD[0]
TC4/
WO[0]
GCLK_IO[6]
22 32 44 PA23 VDDIO I
2
C EXTINT[7] X[11]
SERCOM3/
PAD[1]
SERCOM5/
PAD[1]
TC4/
WO[1]
GCLK_IO[7]
23 33 45 PA24 VDDIO EXTINT[12]
SERCOM3/
PAD[2]
SERCOM5/
PAD[2]
TC5/
WO[0]
24 34 46 PA25 VDDIO EXTINT[13]
SERCOM3/
PAD[3]
SERCOM5/
PAD[3]
TC5/
WO[1]
37 49 PB22 VDDIO EXTINT[6]
SERCOM5/
PAD[2]
TC7/
WO[0]
GCLK_IO[0]
38 50 PB23 VDDIO EXTINT[7]
SERCOM5/
PAD[3]
TC7/
WO[1]
GCLK_IO[1]
25 39 51 PA27 VDDIO EXTINT[15] GCLK_IO[0]
27 41 53 PA28 VDDIO EXTINT[8] GCLK_IO[0]
31 45 57 PA30 VDDIO EXTINT[10]
SERCOM1/
PAD[2]
TC1/
WO[0]
SWCLK GCLK_IO[0]
32 46 58 PA31 VDDIO EXTINT[11]
SERCOM1/
PAD[3]
TC1/
WO[1]
SWDIO
(4)
59 PB30 VDDIO I
2
C EXTINT[14]
SERCOM5/
PAD[0]
TC0/
WO[0]
60 PB31 VDDIO I
2
C EXTINT[15]
SERCOM5/
PAD[1]
TC0/
WO[1]
61 PB00 VDDANA EXTINT[0] AIN[8] Y[6]
SERCOM5/
PAD[2]
TC7/
WO[0]
62 PB01 VDDANA EXTINT[1] AIN[9] Y[7]
SERCOM5/
PAD[3]
TC7/
WO[1]
47 63 PB02 VDDANA EXTINT[2] AIN[10] Y[8]
SERCOM5/
PAD[0]
TC6/
WO[0]
48 64 PB03 VDDANA EXTINT[3] AIN[11] Y[9]
SERCOM5/
PAD[1]
TC6/
WO[1]
Table 5-1. PORT Function Multiplexing (Continued)
Pin
I/O
Pin
Supply
Pin
Type
A B
(1)
C D E F G H
SAM
D20E
SAM
D20G
SAM
D20J
EIC REF ADC AC PTC DAC SERCOM
(2)
TC
(3)
AC/GCLK