RC2
KB1 1
2
3
4
5
6
7
K2
R1
K1
R4
K3
R3
R2
RC7
RB5
RB[0:7]
RC6
TX
RB5
RB5
5V
RC3
RC6
placed
near U1
RB0
RB6
5V
RC1
Port A
RB6
RA1
U3
MAX233
14
12
17
7
6
9
5
18
4
19
8
13
11
15
16
2
1
3
20
10
V+
V-VCC
GND
GND
T1OUT
T2OUT
R1IN
R2IN
C1+
C1-C2+
C2+
C2-T1IN
T2IN
R1OUT
R2OUT
C2-placed
near U2
RC2
C2
0,1uf
Port B
RC5
placed
near U3
RC4
RC6
RB7
GND
RA4
RB4
RB7
RB2
J6 1
2
3
4
RC1
RA4
RC0
RA2
5V
RX-232
RC7
RB0
RB6 RB4
ICD/Prgm
J7, J12
DISP1
GTC16026-DOUBLE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
21
22
23
24
25
26
27
28
29
210
211
212
213
214
VSS
VDD
V0
RS
R/W
E
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
VSS
VDD
V0
RS
R/W
E
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
Port C
J11
1
2
3
A
B
C
J3
1
2
3
4
5
6
7
8
RC4
Y1
20MHz
1 A
PIC16DevBoard HMT
A
1 1
Friday, May 26, 2006
Title
Size Document Number Rev
Date: Sheet of
5V
RC7
RC3
5V
RB1
RA4
RB3
5V input
RA0
RC1
R5 10k
C5 22pf
RB7
RB1
RS232
TX-TTL
J2
1
2
3
4
5
6
7
8
5V
RB2
PGC
RB3
J1
1
2
3
4
5
6
RX-TTL
RB3
R1 10k
RB2
RA2
Optional
TTL/RS232
interface
C4 22pf
RA3
RB4
RB5
U1
PIC16F876A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
MCLR/VPP/THV
RA0/AN0
RA1/AN1
RA2/AN2/VREF-RA3/AN3/VREF+
RA4/T0CKI
RA5/SS/AN4
GND
OSC1/CLKIN
OSC2/CLKOUT
RC0/T1OSO/T1CKI
RC1/T1OSI/CCP2
RC2/CCP1
RC3/SCK/SCL
RC4/SDI/SDA
RC5/SDO
RC6/TX/CK
RC7/RX/DT
GND
VDD
RB0/INT
RB1
RB2
RB3/PGM
RB4
RB5
RB6/PGC
RB7/PGD
RC4
TX-232
RA4
+Vo
RC6
RB1
RB0
U2
M95256
2
4
5
8
1
3
7
6
SO
GND
SI
VCC
CS
WP
HOLD
SCLK
Ethernet
module
connector
RB3
Display
RA0
J5
1
2
3
4
RC5
RA5
RA1
R4 10k
RA1
VPP
RB2
5V
C6
1uf
RX
Keyboard
RA5
VSS
R2 10k
5V
Vo
RB0
RC0
RA5
RC4
RC5
RB1
RB1
RB3
J8
1
2
3
C1
0,1uf
Vo
RC7
RC3
RB0
+5V
RA5
RB7
Memory
RC3
J9
1
2
3
RC5
RB2
RC2
RA[0:5]
RB4
RC[0:7]
Microprocessor
J4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
C3
0,1uf
RC0
RA3
RA3
J10
1
5V
RA3
RB6
placed
near J11
PGD
RA2
VDD
R3 10k
J7 4
5
6
1
2
3
J12
1
2
3
4
5
6