Maxim Integrated USB2GPIO, Manual, Page: 8 / 11

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Evaluates: USB2GPIO
USB2GPIO# Adapter Board
USB2GPIO# Adapter Board Schematic
19,20 - GND
9 - CS 7 - MISO 5 - MOSI 3 - SCLK
1,2 - VCC
SPI
ALL OTHER PINS GPIO
4 - SDA
6 - VCC 5 - GND 3 - MISO
I2C
1 - CS 4 - SCLK SPI
2 - IO 3 - SCL 5 - GND 6 - VCC 1 - IO
2 - MOSI
100
IRLML6346
IRLML6346
10K
NTTFS5116PL NTTFS5116PL
VCCIO
10K
V_OUT
SI2319DS-T1-E3
10UF
PPTC102LJBN-RC
V_OUT
0.1UF
V_OUT
VCCIO
10K
MAX
3.3UH
12MHZ
100
0.1UF
33PF
33PF
VCCIO
10K
10K
10K
MAX4
VCCIO
VCCIO
VCCIO
VCCIO
0.1UF
10K
1000PF
PMGD280UN
1UF
PMGD280UN
3.3UH
10UF
10K 10K 10K 10K 10K
10K
0.1UF
10K
0.1UF
0.1UF
10K 12.1K
0.1UF
2.2K
93LC66BT-I/OT
10
ZX62RD-AB-5P8
1UF
1000PF
10K
10UF
10K
0.01UF
10
FT2232HQ
10K 10K
0.1UF
330
1.5A
0.1UF
V_OUT
330
1.5A
PPPC062LJBN-RC
10K
10K
10K
4.7UF
0.1UF
10K 10K
10K
0.1UF
10K
10K
10K
10K
10K
10K
10K 10K
10UF
0.1UF
MAX4
PMGD280UN
10K
10K
PMGD280UN
470
470
MAX
330
4.7UF 4.7UF
1.5A
22UF
15K
V_OUT
0.1UF
22UF
CP1
M4
M5
RP4
M1 M3
RP3
M2
CX3A
X2
CX3B
R37
Q3
CP4
R22
Q1
C5
C6
U5
CP3
L1
RP1
RAD9
RAD10
U3
R7 R6
R3 R2 R1
R4 R5
FB1
C1
C3
C2
C1
6
C1
7
C18
C2
0
C21
C19
C22
C4
RL1
RL2
SPI
I2C
X1
U1
U6
CP7
FB3
L2
C15
C14
C13
C12
FB2
CP6
RP2 CP8
CP5
U4
U2
R11
Q2 Q2
R16
R17
Q3
R9
R10
C8
C7
X3
R12
R13
R14
R15
R18
R19
R20
R21
R29 R28 R27 R26 R25 R24 R23 R30 R31 R32 R33 R34 R35 R36
CP2
VPLL
ACBUS3
+5V
BCBUS7 BCBUS6 BCBUS5 BCBUS4
BDBUS0
BCBUS1 BCBUS2 BCBUS3
BDBUS1 BDBUS2
BCBUS0
BDBUS3 BDBUS7 BDBUS5 BDBUS4 BDBUS6
BCBUS6 BCBUS5 BCBUS4
ACBUS5
+5V
BDBUS4
BDBUS4
BDBUS3
BDBUS5
MOSI_A
ACBUS1
BDBUS0
ACBUS7 ACBUS3 ACBUS0
V_OUT
ACBUS6
BDBUS0
ACBUS5
ADBUS4 ADBUS5 ADBUS6 ADBUS7
ACBUS7
+5V
BCBUS0 BCBUS1
BCBUS0
+5V
+3V3
+3V3
+5V
+3V3
+5V
VCORE
+5V
ACBUS6
+3V3
VPHY
VCORE
VPLL
VCORE
VCORE
BDBUS6
V_OUT
+5V
CS_A
BDBUS5 BDBUS6 BDBUS7
VPHY
SDA_A/SCLK_A
BDBUS3
BDBUS1
BDBUS1 BDBUS7
V_OUT
BCBUS7 BDBUS2
+5V
BCBUS2 BCBUS3 BCBUS7
MOSI_A
CS_A
ADBUS5 ADBUS7
BCBUS6 BCBUS5 BCBUS4 BCBUS3 BCBUS2
BDBUS2
SCL_A/MISO_A
+5V
V_OUT
+3V3
ACBUS1 ACBUS0
ADBUS4
SDA_A/SCLK_A
BCBUS1
VCORE
ADBUS6
6
3
2
1
6
5
7
8
4
5
6
7
8
1
2
3
4
2 20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3 1
2
4
1
3
5
10
6
11
2
1
8 4 3
1
2
4 5 3
1
6
2
1 2
A
K
A
K
1 2 3 4 5
6
7
8
9
10
26 27 28 29 30 32 33 34 16 17 18 19 21 22 23 24
10
48 52 53 54 55 57 58 59 38 39 40 41 43 44 45 46
7 8
62 63 61
65
1
5
11
15
25
35
47
51
2 3
60
6
14
36
13
20
31
42
56
12
37
64
4
9
50 49
5
10
6
11
2
1 9
8 4 7 3
1
2
1
2
1
2
8 3 5
4
1 7 2 6
9
8 10 3 5
4
1 7 2 6
9
6
2
1
3
5
4
3
5
4
2
1
1 2 3 4 5 6
7 8 9 10 11 12
7
9
10
EP
D1 INP
LX
PGND
D2 SHDN
OUT
SS
GND
IN
VCC VSS
DO
DI
CLK
CS
G
D
S
G
S D
G
S D
IN
IN IN IN IN IN IN IN IN
IN IN IN IN IN
IN
IN
IN
IN IN
IN
12 11 10
9 8 7
6 5 4 3 2 1
IN
IN
S
D
G
S
D
G
IN IN IN IN IN IN IN IN IN IN IN IN IN IN IN IN
IN IN IN IN IN IN IN IN
IN IN IN IN IN IN IN IN
IN IN
IN IN
IN IN IN IN
IN IN
G
D S
G
D S
IN IN
IN IN
G
D S
G
D S
NC2 NO2
COM2
GND
COM1
NO1 NC1
CB
VCC
EN
IN
NC2 NO2
COM2
GND
COM1
NO1 NC1
CB
VCC
EN
EP
D1 INP
LX
PGND
D2 SHDN
OUT
SS
GND
IN
IN IN
EP
BCBUS7 BCBUS6 BCBUS5 BCBUS4 BCBUS3 BCBUS2 BCBUS1 BCBUS0 ACBUS7 ACBUS6 ACBUS5 ACBUS4 ACBUS3 ACBUS2 ACBUS1 ACBUS0 BDBUS7 BDBUS6 BDBUS5 BDBUS4 BDBUS3 BDBUS2 BDBUS1 BDBUS0 ADBUS7 ADBUS6 ADBUS5 ADBUS4 ADBUS3 ADBUS2 ADBUS1 ADBUS0
OSCO OSCI
VCORE
GND
GND
VCCIO
EECS EECLK EEDATA TEST VREGOUT VREGIN
VCORE
VCORE
GND
GND
RESET#
SUSPEND#
PWREN#
VCCIO
GND
GND
VCCIO
GND
GND
VCCIO
VPLL
DP DM REF
AGND
VPHY
SHIELD
10
987
6
5 4 3 2 1
IN
IN
IN