Schematics

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
DEBUG INTERFACE
WAKE UP BOTTON
PWM
TACH
PWR
GND
FAN CTL
DEBUG0[0..1]
DEBUG1[0..1]
DEBUG2[0..1]
DEBUG3[0..1]
PW R_UP0
PW R_UP1
PW R_UP2
PW R_UP3
FAN_TACH
FAN_PW M
RECOVERY
VDD_1V8_SYS
VDD_3V3_SYS
VDD_1V8_SYS
VDD_1V8_SYS VDD_5V_SYS
VDD_5V_SYSVDD_1V8_SYS
VDD_12V_SYS
Title:
Size: Document Number: Rev:
Date: Sheet: ofDraw By:
https://www.seeedstudio.com
V1A3
25 25Wednesday, December 16, 2020<Drawing>
08_MISC
081_MISC
Title:
Size: Document Number: Rev:
Date: Sheet: ofDraw By:
https://www.seeedstudio.com
V1A3
25 25Wednesday, December 16, 2020<Drawing>
08_MISC
081_MISC
Title:
Size: Document Number: Rev:
Date: Sheet: ofDraw By:
https://www.seeedstudio.com
V1A3
25 25Wednesday, December 16, 2020<Drawing>
08_MISC
081_MISC
C164 100nF
C0402 16V
R157
100K
1%
R0402
U23
TXS0108ERGYR
VQFN-20
A1
1
B1
20
OE
10
A7
8
A2
3
A3
4
A4
5
B2
18
A5
6
VCCA
2
VCCB
19
A8
9
GND
11
B3
17
B4
16
B5
15
B6
14
B7
13
A6
7
B8
12
GPAD
21
D54
0402
5V
21
D53
0402
5V
21
C163 100nF
C0402 16V
D51
0402
5V
21
R156
100K
1%
R0402
Q34
2N7002,215
sot23
1
32
D55
0402
5V
21
R153
100K
1%
R0402
D58
0402
5V
21
D57
ESDPSA0402V05
0402
5V
21
U21
SN74LVC1T45YZPR
BGA6C50P2X3_89X139X50
VCCA
A1
VCCB
A2
GND
B1
DIR
B2
A
C1
B
C2
Shield
SW 5
1-1825027-1
button4p_8r4x6r55
1 2
3 4
J14
header4p_2d54_10_16x5_6x8mm
Header 1x4 2.54mm
1
2
3
4
R155
10K
5%
R0402
D36
PMEG3010CEJ
SOD-323F
1A
30V
12
R154 10K
5%R0402
D56
0402
5V
21
R158
10K
5%
R0402
D50
0402
5V
21
C165
100nF
C0402
16V
D52
0402
5V
21
J12
header10p_2d54_dip
Header 1x10 2.54mm
7
1
2
3
4
5
6
8
9
10
DEBUG0.TXD
DEBUG0.RXD
DEBUG2.TXD
DEBUG2.RXD
DEBUG3.TXD
DEBUG3.RXD
DEBUG1.RXD
DEBUG1.TXD
DBG0{UART:2}
DBG1{UART:2}
DBG2{UART:2}
DBG3{UART:2}
FAN_PW M
FAN_TACH_CON
FAN_TACH