Datasheet
Explorer 8 Development Board User’s Guide
DS40001812B-page 40 2015-2016 Microchip Technology Inc.
FIGURE A-4: EXPLORER 8 DEVELOPMENT SCHEMATIC - 3
VDD
1
GP0
2
GP1
3
RST
4
UART RX
5
UART TX
6
GP2
7
GP3
8
SDA
9
SCL
10
VUSB
11
D-
12
D+
13
VSS
14
VDD
G
P0
G
P1
R
S
T
UA
RT RX
UA
RT TX
G
P2
G
P
3
S
D
A
SC
L
V
U
S
B
D-
D+
VSS
MCP2221
U3
USB_P
USB_N
V_VAR
2.2k
R2
2.2k
R16
V_VAR
10k
R1
UART_TX
UART_RX
0.47uF
6.3V
C1
RD0
RD1
RD2
RD3
RD4
RD5
RD6
RD7
RC0
RC1 RC2
RC3
RC4
RC5
RC6
RC7
HDR-2.54 Male 1x3
1
1
2
3
J15
HDR-2.54 Male 1x3
1
1
2
3
J16
+5V
+3.3V+3.3V
+5V
4
5
6
7
8
9
10
16
1514
13
12
11
17
1
2
3
19
18
20
21
22
23
24
25
26
27
28
110-91-328-41-001
J13
110-87-640-41-001151
4
5
6
7
8
9
10
16
15
14
13
12
11
17
1
2
3
19
18
20 21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
J8
4
5
6
7
8
9
10
16
15
14
13
12
11
17
1
2
3
19
18
20
110-91-320-41-001
J10
RA0
RA1
RA2MCLR
RA4/VCAP
RA5/VCAP
RB4
RB5
RB6RB7
RC0
RC1
RC2RC3
RC4
RC5
RC6
RC7
RA0
RA1
RA2
RA3
RA4/VCAP
RA5/VCAP
RA6
RA7
RB0
RB1
RB2
RB3
RB4
RB5
RB6
RB7
RC0
RC1
RC2
RC3 RC4
RC5
RC6
RC7
MCLR
RA0
RA1
RA2
RA3
RA4/VCAP
RA5/VCAP
RB0
RB1
RB2
RB3
RB4
RB5
RB6
RB7
RC0
RC1
RC2
RC3 RC4
RC5
RC6
RC7
RD0
RD1 RD2
RD3
RD4
RD5
RD6
RD7
RE0
RE1
RE2
MCLR
RA6
RA7
V_VAR
V_VAR
V_VAR
V_VAR
USB Micro B TH/SMT
ID
4
VBUS
1
GND
5
D-
2
D+
3
0
J18
USB_P
USB_N
VBUS
0.1uF
25V
0603
C21
0.1uF
25V
0603
C23
0.1uF
25V
0603
C20
0.1uF
25V
0603
C22
V_VAR
HDR-2.54 Male 1x3
1
1
2
3
J4
HDR-2.54 Male 1x3
1
1
2
3
J31
0.1uF
25V
0603
C33
0.1uF
25V
0603
C32
RA4/VCAP
RA5/VCAPRA4
RA5
10uF
16V
0805
C34
RC7
RC6
HDR-2.54 Male 2x2
11 2
3 4
J23
RC3
RC4
+3.3V
RC4
RC5
HDR-2.54 Female 2x6 RA
1
2
3
4
5
6
7
8
9
10
11
12
J20
HDR-2.54 Female 2x6 RA
1
2
3
4
5
6
7
8
9
10
11
12
J17
VEE
+5V
10k
0603
1%
R24
1.3k
0603
R17
LCD
0.1uF
25V
0603
C38
10k
0603
1%
R31
R/W
MCP23S17
GPB0
1
A0
15
G
PB0
A
0
VDD
9
SO
14
SI
13
SCK
12
CS
11
VSS
10
GPB1
2
GPB2
3
GPB3
4
GPB4
5
GPB5
6
GPB6
7
GPB7
8
A1
16
A2
17
RESET
18
INTB
19
INTA
20
GPA0
21
GPA1
22
GPA2
23
GPA3
24
GPA4
25
GPA5
26
GPA6
27
GPA7
28
U4
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
RC3
RC5
1 2
J59
1
1
2
3
HDR-2.54 Male 1x3
J53
1
1
2
3
HDR-2.54 Male 1x3
J54
10k
0603
1%
R32
V_VAR
10k
0603
1%
R33
V_VAR
RA2
0.1uF
25V
0603
C39
RS
RS
E
E
RB5
LCM-S01602DTR/M
VSS
1
VDD
2
Vo
3
RS
4
R/W
5
E
6
DB0
7
DB1
8
DB2
9
DB3
10
DB4
11
DB5
12
DB6
13
DB7
14
VSS
VDD
Vo
R
S
R/
W
E
DB
0
DB1
DB
2
DB
3
DB4
DB5
DB
6
DB
7
LCD1
HDR-2.54 Male 2x2
1
1
2
3 4
J22
HDR-2.54 Male 1x1
1
J55
HDR-2.54 Male 1x1
1
J56
RB5
RB7
1
1
2
3
HDR-2.54 Male 1x3
J57
1
1
2
3
HDR-2.54 Male 1x3
J58
RB6
RB4
1 2
J60
1 2
J61
Shunt 2.54mm 1x2 Handle
@J53_2_3
Shunt 2.54mm 1x2 Handle
@J54_2_3
Shunt 2.54mm 1x2 Handle
@J59
Shunt 2.54mm 1x2 Handle
@J60
Shunt 2.54mm 1x2 Handle
@J61