68
68
DVD-2900
PIC18LC242-I/SO (VI: IC703)
1 MCLR I Master Clear (Reset) input. This pin is an active low RESET to the device.
2 RA0 I/O Digital I/O.
3 RA1 I/O Digital I/O.
4 RA2 I/O Digital I/O.
5 RA3 I/O Digital I/O.
6 RA4 I/O Digital I/O. Open drain when configured as output.
7 RA5 I/O Digital I/O.
8VSS P Ground reference for logic and I/O pins.
9 OSC1 I
Oscillator crystal input or external clock source input.
ST buffer when configured in RC mode. CMOS otherwise.
10 OSC2 O Oscillator crystal output. Connects to crystal or resonator in Crystal Oscillator mode.
11 RC0 I/O Digital I/O.
12 RC1 I/O Digital I/O.
13 RC2 I/O Digital I/O.
14 RC3 I/O Digital I/O.
15 RC4 I/O Digital I/O.
16 RC5 I/O Digital I/O.
17 RC6 I/O Digital I/O.
18 RC7 I/O Digital I/O.
19 VSS P Ground reference for logic and I/O pins.
20 VDD P Positive supply for logic and I/O pins.
21 INT0 I External Interrupt 0.
22 RB1 I/O Digital I/O.
23 RB2 I/O Digital I/O.
24 RB3 I/O Digital I/O.
25 RB4 I/O Digital I/O. Interrupt-on-change pin.
26 RB5 I/O Digital I/O. Interrupt-on-change pin.
27 RB6 I/O Digital I/O. Interrupt-on-change pin. ICSP programming clock.
28 RB7 I/O Digital I/O. Interrupt-on-change pin. ICSP programming data.
DescriptionI/O
Pin No. Pin Name
Legend: O=Output
I=Input
P=Power
RA1
RA0
RA4
RA3
RC1
RC0
OSC1
V
SS
RA2
OSC2
RC3
RC2
RA5
RB7
RB5
RB6
RB2
RB3
RC6
RC7
V
DD
INT0
RB4
V
SS
RC4
RC5
RB1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
MCLR
TOP VIEW
PIC18LC242-I/SO Terminal Function
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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