User manual

Schematics and Board Layout
© 2011 Microchip Technology Inc. DS70662A-page 21
FIGURE A-5: COMMUNICATION CIRCUITS
(EXPANSION CONNECTOR, ICSP, SWITCHES, AND LEDs)
DNP
R2
4
3
2
1
S3
D4
4
3
2
1
RESET1
D5
+3.3V_DIG
0.1uF
C10
4
3
2
1
S2
4
3
2
1
S4
R11
470R
R12
470R
Expansion Connector
+3.3V_DIG
0.1uF
C32
0.1uF
C40
10K
R14
+3.3V_DIG
+3.3V_DIG
10K
R27
0.1uF
C31
0.1uF
C33
4
3
2
1
S1
+3.3V_DIG
+3.3V_DIG
D3
0.1uF
C34
+3.3V_DIG
10K
R13
10K
R15
R10
470R
R16
10K
4
PGD
1
MCLR
2
VDD
3
VSS
5
PGC
6
N.C.
RJ11_6PIN
J3
ICSP
LEDs
General Purpose Switches