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- C Compiler for Microchip PIC microcontrollers
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SUB-D 9-pin connector
+
+
+
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
serial cable
(1 to 1)
Receive data (Rx)
Send data (Tx)
+
MAX232
C1+
V+
C1-
C2+
C2-
V-
T2out
R2in R2out
T2in
T1in
R1out
R1in
T1out
GN
D
Vcc
+5V
4.7uF
4.7uF
4.7uF
4.7uF
4MHz
+5V
+5V
PIC16F877A
RA0/AN0
RA2/AN2/Vref-
RA3/AN3/Vref+
RA4/TOCKI
RA5/AN4
RE0/RD/AN5
RE1/WR/AN6
RE2/CS/AN7
Vdd
Vss
OSC1
OSC2
RCO/T1OSO
RC1/T1OSI
RC3
RD0/PSP0
RD1/PSP1
MCLR/Vpp/THV
RC2/CCP1
RA1/AN1
RB7/PGD
RB6/PGC
RB5
RB4
RB3/PGM
RB2
RB1
RB0/INT
Vdd
Vss
RD6/PSP6
RD7/PSP7
RD5/PSP5
RD4/PSP4
RC7/RX/DT
RC6/TX/CK
RC5
RC4
RD3/PSP3
RD2/PSP2
10K
Reset
Hardware Connection