Hardware Schematics
©
2009 Microchip Technology Inc.
DSxxxxx-page 9
A.1.2
Bill of Materials
Bill of Materials
Designation
Qty
Description
C1, C2
2
Capacitor, Ceramic, 0.1
µ
F, 5%, X7R
C5, C6
2
Capacitor, Ceramic, 22 pF, 50V, C0G
C7, C8
2
Capacitor, Tantalum, 10
µ
F, 5%, 35V
C9
1
Capacitor, Ceramic, 0.01
µ
F, 5%, X7R
C10
1
Capacitor, Ceramic, 220 pF, 50V, C0G
R3-R6
4
Resistor, 470
Ω
, 5%, 1/8W
R2, R7
2
Resistor, 1 k
Ω
, 5%, 1/8W
R1, R8, R14, R15
4
Resistor, 10 k
Ω
, 5%, 1/8W
R9-R12
2
Resistor 100
Ω,
5%, 1/8W
R13
1
Resistor 220 k
Ω,
5%, 1/8W
RP1
1
Potentiometer 10 k
Ω,
thumbwheel
DS1-DS4
4
LED, T1-3/4, 5mm
D1
1
1N4750, 27V, Zener diode
D2
1
1N4004, diode
D3
1
1N4148, diode
SW1
1
Switch, push button, momentary
U1 – Microcontroller
1
28-pin PIC
®
MCU
U2 - LIN Transceiver
1
MCP2021-500E/P
P1
1
Connector, header, right-angle, 6-pin, 0.100” spacing, 0.025”
P4
1
D-SUB 9-pin female
JP1:5, JP7:JP8
7
Connector, header, 2-pin, 0.100” spacing, 0.025” square
JP6
1
Connector, header, 3-pin, 0.100” spacing, 0.025” square
Rubber Feet
4
Bumpon square, 0.40 x 0.10, black
X2
1
Crystal, tuning fork, cylinder, 12.5 pF
J1
1
Connector, receptacle 1x14-pin
