Datasheet

3.3-
3.3-
LEDs
LEDs
GND
3.3V
W25Q32FV
GND GNDGND
3.3V
3.3V
GND
ATSAMD21G-A
GND
3.3V
GNDGND
GND
3.3V
3.3V
GND GND
3.3V
3.3V
GND
GND
3.3V
GND
GND
GND
3.3V
GND
V_BATT
V_BATT
V_USB
MCP73831
GNDGND
V_BATT V_USB
GND
GND
5V
VIN
GND
3.3V
GND
V_USB
GND
VIN
GND
5V
13
4 2
CS
1
HOLD(D3)
7
WP(D2)
3
GND
4
SCK
6
SI(D0)
5
SO(D1)
2
VCC
8
U4
IN
GND
OUT
EN
NC
U3
1 3
42
GNDANA
5
PA00(XIN32/SER1:0/TC2:0)
1
PA01(XOUT32/SER1:1/TC2:1)
2
A0_PA02(AIN0/DAC)
3
PA03(AIN1/REFA)
4
D8_PA06(AIN6/SER0:2/TC1:0)
11
VDDANA
6
A1_PB08(AIN2/SER4:0/TC4:0)
7
A2_PB09(AIN3/SER4:1/TC4:1)
8
A3_PA04(AIN4/REFB/SER0:0/TC0:0)
9
A4_PA05(AIN5/SER0:1/TC0:1)
10
D9_PA07(AIN7/SER0:3/TC1:1)
12
PA08(I2C/AIN16/SER0:0+)_D4
13
PA10(AIN18/SER0:2+)_D1/TX
15
PA09(I2C/AIN17/SER0:1+)_D3
14
PA11(AIN19/SER0:3+)_D0/RX
16
VDDIO
17
GND
18
PB11(SER4:3+)_SCK
20
PB10(SER4:2+)_MOSI
19
PA12(I2C/SER2:0+)_MISO
21
PA13(I2C/SER2:1+)
22
PA14(XIN/SER2:2+)_D2
23
PA15(XOUT/SER2:3+)_D5
24
PA16(I2C/SER1:0+)_D11
25
PA17(I2C/SER1:1+)_D13
26
PA18(SER1:2+)_D10
27
PA19(SER1:3+)_D12
28
PA20(SER5:2+)_D6
29
PA21(SER5:3+)_D7
30
PA22(I2C/SER3:0+)_SDA
31
PA23(I2C/SER3:0+)_SCL
32
PA24(SER3:2+)
33
PA25(SER3:3+)
34
GND
35
VDDIO
36
PB22(SER5:2+)
37
PB23(SER5:3+)
38
PA27
39
RESET
40
PA28
41
GND
42
VDDCORE
43
PA30(SWCLK/SER1:2+)
45
VDDIN
44
PA31(SWDIO/SER1:3+)
46
A5_PB02(AIN10/SER5:0)
47
PB03(AIN11/SER5:1)
48
U2
VIN
4
STAT
1
VBAT
3
PROG
5
VSS
2
U1
P1*2
P2*2
P1*2
P2*2
GND
GND*2
VBUS
VBUS1*2
CC1
A5
D+
A6*2
D-
A7*2
CC2
B5
SHLD
SHLD1*8
1
2
1
2
3
4
5
6
J6
A3
A4
D8
D9
Released under the Creative Commons
Attribution Share-Alike 4.0 License
https://creativecommons.org/licenses/by-sa/4.0/
Design by:
USB-C