3/4/2013 10:42:01 AM f=0.50 E:\PC Oscilloscope\PC Oscilloscope.sch (Sheet: 1/1)
PIC18F2550_28DIP
MCP6S91
MCP6S91
LF353N
LF353N
LF353N
LF353N
ICL7660CPA
1M82
K
33K
220K
150K
1K
1M
82K
33K
220K
150K
1K1.5K
4.7K
4.7k
2.7p
2.7p
0.022uf
10uf
47uf
PN61729-S
4Mhz
LF353N
LF353N
82K
82K
IC1
RC7/RX/DT/SDO 18
VSS8
VDD 20RB0/AN12/INT0/LFT0/SDI/SDA 21
RB1/AN10/INT1/SCK/SCL 22RB2/AN8/INT2/VMO 23
RB3/AN9/CCP2/VPO 24RB4/AN11/KBI0/CSSPP 25
RB5/KBI1/PGM 26RB6/KBI2/PGC 27RB7/BKI3/PGD 28MCLR/VPP/RE31
RA0/AN02
RA1/AN13
RA2/AN2/VREF-/CVREF4
RA3/AN3/VREF+5
RA4/T0CKI/CIOUT/RCV6
RA5/AN4/SS/HLVDIN/C2OUT7
VSS 19OSC1/CLKI9
RA6/OSC2/CLKO10
RC0/TIOSO/T13CKI11
RC1/T1OSI/ICCP2/UOE12
RC2/CCP1/P1A13
VUSB14 RC4/D-/VM 15RC5/D+/VP 16RC6/TX/CK 17
IC23
2
5 6
1
84
7
IC33
2
5 6
1
84
7
IC4A
2
31
IC4B
6
57
84
IC5A
2
31
IC5B
6
57
84
IC6LV6
CAP-4
NC1
VOUT 5
GND 3
V+ 8
OSC 7CAP+2
R1R
2
R3
R4 R5
R6
R7
R8
R9
R10 R11
R12
R13
VR1
P$1
P$2
P$3
VR2
P$1
P$2
P$3
C1
C2
C7
C9
C10
X11234
Q1C
3
C4
C5
C6
C8
IC7A
2
31
IC7B
6
57
84R
14R
15
GND
GND
GND
GND
GND
GND GND
VCC
VCC
VCC
VCC
VCC
VCC
-5
US
B