Schematics
U1
J5
R13
R14
U3
R16
R17 R18
R19
C9
BAT
C10
Q3
R20
D1
R21
R22
TP1
FULLCHRG
C1
U4
C14C15
TP2
R1
C2
Q1
C4 C3
C5
C6
C7
R2 R3
C8C11
J1
J3
RJ45
R15
R4
C12
C13
C16 C17
R5
R6
C18
R7
R8
C19
R9
U5
R10
R11
C20
R12
R23R24R25R26
R27
R28
R29R30
R31 R32
R33
C21C22
C23
C24C25
FB1
FB2
C26
C27C28
SW2
R34
R35
R36
R37
R38
R39
R40
R41
R42
R43
DUPLED
SPDLED
J6
CHG
K6
R44
R45
J2
C29
C30
C31C32
C33C34
C35C36
J4
E1E2E3E4 E5
E6
E7
Y2
GND
GND
VUSB
GND
GND
VBAT
A1
VUSB
GND
VTPVTP
GND
VTP VTP
VBAT
VBAT
GND
VUSB
VDD
GND
GND
VDD
GND
GND
V3D3
GND
V3D3
NRST
GND
A0
GND
A1
A2
A3
A4
D8
D9
V3D3
D4
D3
D1
D0
V3D3
GND
MOSI
SCLK
MISO
D2
D5
D11
D13
D10
D12
D6
D7
SDA
SCL
D-
D+
GND
V3D3
NRST
V3D3
GND
SWCLK
SWDIO
A5
SWDIO
SWCLK
NRST
GND
V3D3
D2
D3
D4
D5
D6
D7
D8
D9
VBAT
A5
A4
A3
A2
A1
A0
D10
D11
D12
D13
NRST
V3D3
GND
TXP
TXN
RXP
RXN
GND
V3D3
LINKLED
ACTLED
GND
GND
VCCA
VCCA
GND
GND
TXN
TXP
VCCA
RXN
RXP
GND
VCCA
GND
GND
SPDLED
GND
GND
V3D3
W5500_NRST
V3D3 GND
V3D3
W5500_INTN
V3D3
W5500_CS
W5500_SCLK
W5500_MOSI
GND
V3D3
ACTLED
DUPLED
LINKLED
GND
GND
V3D3 VCCA
GND
W5500_MISO
GND
D-
D+
W5500_MOSI
W5500_MISO
SCLKW5500_SCLK
MISO
MOSI
W5500_CS
D3
W5500_NRST
W5500_INTN
D9
D5
DUPLED
SPDLED
V3D3
D1
D0
V3D3
VUSB
GND
GND
GND
VUSB
A2
SDA
SCL
V3D3
GND
GND
V3D3
V3D3
GND
GND
VCCA
D4
MOSI
SCLK
GND
MISO
GND
V3D3
GND
GND
GND
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24 25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
1
2
3
4
5
6
7
8
9
13
12
1
2
3
4 5
6
7
8
9
12
1
2
3
21
12
12
1
2
3 4
5
1
2
3
4
56
7
8
9
10
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
12
12
1
2
3
4
5
6
7
8
9
10
11
12
13
1
2
1
2
3
4
5
6
1
2
3
4
1
2
3
4
5
6
7
8
9
10
11
12
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1
2 3
4
MKF.RD03.V01
DATE:
Charlin
Maduino Zero Ethernet
www.makerfabs.com
SCALE:
REVISION RECORD
DESIGN:
DATE:
CHECKED:
QUALITY CONTROL:
DATE:
DATE:
RELEASED:
COMPANY:
TITLE:
DRAWING NO:
A
B
C
D
DATE:
123456
D
C
B
A
REV:
LTR ECO NO: APPROVED:
11 ofSHEET:
Maduino Zero Ethernet
Power Switch ON/OFF
1. Supply power via Micro USB cable when no battery
2. Supply power via Micro USB cable when in charging
3. Supply power via Battery when no Micro USB cable
Test Points
Max Current: 500mA
input:2.2V~5.5V
differential impedance
0603
0603
Low Rds
differential impedance
2019/08/15
PA0/XI32/EIC/SCOM1P0/TC2
PA1/XO32/EIC/SCOM1P1/TC2
PA2/EIC/AIN0
PA3/EIC/REF/AIN1
GNDANA
VDDANA
PB8/EIC/AIN2/SCOM4P0/TC4
PB9/EIC/AIN3/SCOM4P1/TC4
PA4/EIC/REF/AIN4/SCOM0P0/TC0
PA5/EIC/AIN5/SCOM0P1/TC0
PA6/EIC/AIN6/SCOM0P2/TC1
PA7/EIC/AIN7/SCOM0P3/TC1
PA8/I2C/AIN16/SCOM2P0+/TC0
PA9/I2C/EIC/AIN17/SCOM2P1+/TC0
PA10/EIC/AIN18/SCOM2P2+/TC1
PA11/EIC/AIN19/SCOM2P3+/TC1
VDDIO1
GND1
PB10/EIC/SCOM4P2/TC5
PB11/EIC/SCOM4P3/TC5
PA12/I2C/EIC/SCOM2P0+/TC2
PA13/I2C/EIC/SCOM2P1+/TC2
PA14/XIN/EIC/SCOM2P2+/TC3
PA15/XOUT/EIC/SCOM2P3+/TC3 PA16/I2C/EIC/SCOM1P0+/TC2
PA17/I2C/EIC/SCOM1P1+/TC2
PA18/EIC/SCOM1P2+/TC3
PA19/EIC/SCOM1P3+/TC3
PA20/EIC/SCOM5P2+
PA21/EIC/SCOM5P3+
PA22/I2C/EIC/SCOM5P0+/TC4
PA23/I2C/EIC/SCOM5P1+/TC4
PA24/EIC/SCOM3P2+/TC5
PA25/EIC/SCOM3P3+/TC5
GND2
VDDIO2
PB22/EIC/SCOM5P2
PB23/EIC/SCOM5P3
PA27/EIC
NRESET
PA28/EIC
GND3
VDDCORE1
VDDIN
PA30/EIC/SCOM1P2/TC1
PA31/EIC/SCOM1P3/TC1
PB2/EIC/AIN10/SCOM5P0
PB3/EIC/AIN11/SCOM5P1
ATSAMD21G18A-AU
VCC
DN
DP
ID
GND
GND
GND
GND
GND
MICROUSB-2
220K
220K
TEMP
PROG
GND
VCC BAT
STDBY
CHRG
CE
G
TP4056
0.4R
1K 1K
1.2K
10uF
BATTERY
10uF
G
SD
PMOS
AO3401
10K
SS54
0R_NC
0R_NC
KA
KA
10uF
VIN
GND
EN NC
VOUT
RT9013
10uF0.1uF
10K
0.1uF
32.768KHz
22pF
22pF
1uF
0.1uF
0.1uF
4.7K 4.7K
0.1uF1uF
TDP
TDN
RDP
TCT
RCT
RDN
NC
CHS
D1+
D1-
D2-
D2+
SHD
SHD
GND
GND
HR911105A
49R9@1%
49R9@1%
6.8nF
6.8nF
100nF 100nF
330R
330R
10nF
82R@1%
82R@1%
22nF
10R@1%
TXN
TXP
AGND
AVDD
RXN
RXP
DNC
AVDD
AGND
EXRES1
AVDD
NC
NC
AGND
AVDD
AGND
AVDD
VBG
AGND
TOCAP
AVDD
1V2O
RSVD
SPDLED
LINKLED
DUPLED
ACTLED
VDD
GND
XI/CLKIN
XO
SCSN
SCLK
MISO
MOSI
INTN
RSTN
RSVD
RSVD
RSVD
RSVD
RSVD
PMOD2
PMOD1
PMOD0
NC
NC
AGND
W5500
12.4K@1%
10K
10nF
10K
10K10K
10K
10K
10K
10K10K
10K
10K
10K
1MR
22pF22pF
100nF
100nF100nF
100R@100MHz
100R@100MHz
4.7uF
4.7uF4.7uF
SW-2
0R
0R
0R
0R
0R
0R
0R
0R_NC
330R
330R
KA
KA
1
2
220K
220K
1
2
3
4
0.1uF
0.1uF
10uF0.1uF
100nF4.7uF
100nF4.7uF
RSV/D2
CS/D3
DI/CMD
VDD
CLK
VSS
DO/D0
RSV/D1
G0
G1
G2
G3
TFCARD2
ESDESDESDESD ESD
ESD
ESD
OUT1
GND1 OUT2
GND2
25MHz