User manual

LIN Serial Analyzer User’s Guide Rev2.0
DS51675B-page 28 © 2008 Microchip Technology Inc.
FIGURE A-1: LIN SERIAL ANALYZER SCHEMATIC
FAULT/TXE
USB_ATTACH
GND LBUS
V
BB
V
BAT
V
DD
LIN_ATTACH
CSWAKE
BUSY
TX
RX
V
CC
V
CC
V
CC
V
CC
V
CC
PICkit 2
D5
1N4004
R6 0
LIN
6
RX
1
TX
4
CS/WAKE
2
GND
5
V BAT
7
V DD
3
FAULT/TXE
8
U1
MCP2021-500
1
2
3
4
5 6
J2
C7
0.1 MF
R3 1K
C3
1.0 MF
R5 100K
R9 100K
2 3 1
P1
LED2 Yellow LED
C10 0.1 MF
R4470
C1
10 MF
C2
.01 MF
D3
1N4148WX-TP
D1
P6SMB43AT3G
C5 220 pF
V
BUS
1
D-
2
D+
3
nc
4
GND
5
P2
USB Mini-B
LED3 Green LED
D2 1N4004
R14.7KLED1 Blue LED
R104.7K
D4
MMBZ27VCLT1G
1 2 3
J1
C8 22 pF
R2470
R810K
C6 22 pF
Y1
20 MHz
MCLR/V
PP
/RE3
26
OSC1/CLKIN
6
OSC2/CLKOUT/RA6
7
GND
5
GND
16
V DD
17
RA0/AN0
27
RA1/AN1
28
RA2/AN2/V
REF
-
1
RA3/AN3/V
REF
+
2
RA4/T0CLI/RCV
3
RA5/AN4/LVDIN
4
RB0/INT0/AN12
18
RB1/INT1/AN10
19
RB2/AN8/INT2/VMO
20
RB3/AN9/VPO
21
RB4/AN11/KBI0
22
RB5/KBI1/PGM
23
RB6KBI2/PGC
24
RB7/KBI3/PGD
25
RC0/T1OSO/T13CKI
8
RC1/T1OSI/UOE
9
RC2/CCP1
10
V
USB
11
RC4/D-/VM
12
RC5/D+/VP
13
RC6/TX/CK
14
RC7/RX/DT
15
U2
PIC18F2450-QFN
R7
100K
C4 .01 MF
C9 470 nF
1 2
E1
TM