Schematics
GND
GND
GND GNDGND
MCP73831
GND GND
GND
VIN
GND
AP2112K-3.3V
V_USB
V_USB
GND
3.3V
GND
3.3V
GND
ATSAMD51J20A-A
3.3V
VDDAVCC
VDDA
GND
3.3V
GND
VCCVDDA
3.3V
GND
GND
3.3V
V_USB
3.3V 3.3V
GND
3.3V
1 3
42
U1
VIN
4
STAT
1
VBAT
3
PROG
5
VSS
2
U3
IN
GND
OUT
EN
BP
1
2
3
4
PA00
1
PA01
2
PA02
3
PA03
4
PA04
13
PA05
14
PA06
15
PA07
16
PA08
17
PA09
18
PA10
19
PA11
20
PA12
29
PA13
30
PA14
31
PA15
32
PA16
35
PA17
36
PA18
37
PA19
38
PA20
41
PA21
42
PA22
43
PA23
44
PA24
45
PA25
46
PA27
51
PA30
57
PA31
58
PB00
61
PB01
62
PB02
63
PB03
64
PB04
5
PB05
6
PB06
9
PB07
10
PB08
11
PB09
12
PB10
23
PB11
24
PB12
25
PB13
26
PB14
27
PB15
28
PB16
39
PB17
40
PB22
49
PB23
50
PB30
59
PB31
60
GND0
7
GND1
22
GND2
33
GND3
47
GND4
54
VDDIO3
56
VDDIO2
48
VDDIO1
34
VDDIO0
21
VDDCORE
53
VSW
55
RESET
52
VDDANA
8
INT0, SERCO M1_0, TC2_WO0, XIN32
INT1, SERCO M1_1, TC2_WO1, XOUT32
INT2, ADC 0_0, DAC _0
INT3, VREFA , ADC0_1, X0/Y0
INT4, VREFB, A DC0_4, AC_0,
X3/Y3, SERCO M0_0, TC0_WO 0
INT5, ADC 0_5, AC_1, DA C_1,
SERCO M0_1, TC0_WO1
INT6, VREFC , ADC0_6, AC_2,
X4/Y4, SERCO M0_2, TC1_WO 0
INT7, ADC 0_7, AC_3, X5/Y5,
SERCO M0_3, TC1_WO1
EICNM I, ADC0_8, ADC 1_2, X6/Y6,
SERCO M0_0, SERCOM2_1, TC0_WO0,
TCC 0_WO0, TCC1_WO 4
INT9, ADC 0_9, ADC 1_3, X7/Y7,
SERCO M0_1, SERCOM2_0, TC0_WO1,
TCC 0_WO1, TCC1_WO 5
INT10, ADC0_10, X8/Y8,
SERCO M0_2, SERCOM2_2, TC1_WO0,
TCC 0_WO2, TCC1_WO 6
INT11, ADC0_11, X9/Y9, SERCO M0_3,
SERCO M2_3, TC1_WO1, TCC0_W O3,
TCC 1_WO7
INT12, SERCO M2_0, SERCOM4_1,
TC2_WO 0, TCC0_WO6, TC C1_WO2
INT13, SERCO M2_1, SERCOM4_0,
TC2_WO 1, TCC0_WO7, TC C1_WO3
INT14, SERCO M2_2, SERCOM4_2,
TC3_WO 0, TCC2_WO0, TC C1_WO2, XIN
INT15, SERCO M2_3, SERCOM4_3,
TC3_WO 1, TCC2_WO1, TC C1_WO3, XOU T
INT0, X10/Y10, SERCOM1_0, SERCO M3_1,
TC2_WO 0, TCC1_WO0, TC C0_WO4
INT1, X11/Y11, SERCOM1_1, SERCO M3_0,
TC2_WO 1, TCC0_WO7, TC C1_WO3
INT2, X12/Y12, SERCOM1_2, SERCO M3_2,
TC3_WO 0, TCC1_WO2, TC C0_WO6
INT3, X13/Y13, SERCOM1_3, SECO M3_3,
TC3_WO 1, TCC1_WO3, TC C0_WO7
INT4, X14/Y14, SERCOM5_2, SERCO M3_2,
TC7_WO 0, TCC1_WO4, TC C0_WO0
INT5, X15/Y15, SERCOM5_3, SERCO M3_3,
TC7_WO 1, TCC1_WO5, TC C0_WO1
INT6, X16/Y16, SERCOM3_0, SERCO M5_1,
TC4_WO 0, TCC1_WO6, TC C0_WO2
INT7, X17/Y17, SERCOM3_1, SERCO M5_0,
TC4_WO 1, TCC1_WO7, TC C0_WO3
INT8, SERCO M3_2, SERCOM5_2, TC4_WO0,
TCC 2_WO2, USB_DM
INT9, SERCO M3_3, SERCOM5_3,
TC5_WO1, US B_DP
INT11, X18/Y18
INT14, X19/Y19, SERCOM7_2, SERCO M1_2,
TC6_WO 0, TCC2_WO0, SW CLK
INT15, SERCO M7_3, SERCOM1_3,
TC6_WO 1, TCC2_WO1, SW DIO
INT4, ADC 1_6, X21/Y21
INT5, ADC 1_7, X23/Y23
INT6, ADC 1_8, X24/Y24
INT7, ADC 1_9, X25/Y25
INT8, ADC 0_2, ADC 1_0, X1/Y1,
SERCO M4_0, TC4_WO0
INT9, ADC 0_3, ADC 1_1, X2/Y2,
SERCO M4_1, TC4_WO1
INT10, SERCO M4_2, TC5_WO0,
TCC 0_WO4, TCC1_WO 0
INT11, SERCO M4_3, TC5_WO1,
TCC 0_WO5, TCC1_WO 1
INT12, X27/Y26, SERCOM4_0,
TC4_WO 0, TCC3_WO-, TC C0_WO0
INT13, X27/Y27, SERCOM4_1,
TC4_WO 1, TCC3_WO1, TC C0_WO1
INT14, X28/Y28, SERCOM4_2,
TC5_WO 0, TCC4_WO0, TC C0_WO2
INT15, X29/Y29, SERCOM4_3,
TC5_WO 1, TCC4_WO1, TC C0_WO3
INT0, SERCO M5_0, TC6_WO0,
TCC 3_WO0, TCC0_WO 4
INT1, SERCO M5_1, TC6_WO1,
TCC 3_WO1, TCC0_WO 5
INT6, SERCO M1_2, SERCOM5_2,
TC7_WO 0, XIN
INT7, SERCO M1_3, SERCOM5_3,
TC7_WO 1, XOUT
INT14, SERCO M7_0, SERCOM5_1, TC0_WO0,
TCC 4_WO0, TCC0_WO 6, SWO
INT15, SERCO M7_1, SERCOM5_0,
TC0_WO 1, TCC4_WO1, TC C0_WO7
INT0, ADC 0_12, X30/Y30, SERCOM5_2,
TC7_WO 0
INT1, ADC 0_13, X31/Y31, SECOM5_3,
TC7_WO 1
INT2, ADC 0_14, X20/Y20, SECOM5_0,
TC6_WO 0, TCC2_WO2
INT3, ADC 0_15, X21/Y21, SECOM5_1,
TC6_WO 1
U2
D+
D-
VBUS
GND
ID
SHIELD*10
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CS
1
WP(D2)
3
GND
4
SO(D1)
2
VCC
8
HOLD(D3)
7
SCK
6
SI(D0)
5
J4
SCK
Released under the Creative Commons
Attribution Share-Alike 4.0 License
https://creativecommons.org/licenses/by-sa/4.0/
Design by:
USB
THIS IS A FOUR-LAYER BOARD!