
1997 Microchip Technology Inc.
DS30444E - page 13
PIC16C9XX
COM0
59
63
51
L
Common Driver0
PORTD is a digital input/output port. These pins are also
used as LCD Segment and/or Common Drivers.
RD0/SEG00
29
31
21
I/O/L
ST
Segment Driver00/Digital Input/Output.
RD1/SEG01
30
32
22
I/O/L
ST
Segment Driver01/Digital Input/Output.
RD2/SEG02
31
33
23
I/O/L
ST
Segment Driver02/Digital Input/Output.
RD3/SEG03
32
34
24
I/O/L
ST
Segment Driver03/Digital Input/Output.
RD4/SEG04
33
35
25
I/O/L
ST
Segment Driver04/Digital Input/Output.
RD5/SEG29/COM3
56
60
48
I/L
ST
Segment Driver29/Common Driver3/Digital Input.
RD6/SEG30/COM2
57
61
49
I/L
ST
Segment Driver30/Common Driver2/Digital Input.
RD7/SEG31/COM1
58
62
50
I/L
ST
Segment Driver31/Common Driver1/Digital Input.
PORTE is a digital input or LCD Segment Driver port.
RE0/SEG05
34
37
26
I/L
ST
Segment Driver05.
RE1/SEG06
35
38
27
I/L
ST
Segment Driver06.
RE2/SEG07
36
39
28
I/L
ST
Segment Driver07.
RE3/SEG08
37
40
29
I/L
ST
Segment Driver08.
RE4/SEG09
38
41
30
I/L
ST
Segment Driver09.
RE5/SEG10
39
42
31
I/L
ST
Segment Driver10.
RE6/SEG11
40
43
32
I/L
ST
Segment Driver11.
RE7/SEG27
-
36
-
I/L
ST
Segment Driver27 (Not available on 64-pin devices).
PORTF is a digital input or LCD Segment Driver port.
RF0/SEG12
41
44
33
I/L
ST
Segment Driver12.
RF1/SEG13
42
45
34
I/L
ST
Segment Driver13.
RF2/SEG14
43
46
35
I/L
ST
Segment Driver14.
RF3/SEG15
44
47
36
I/L
ST
Segment Driver15.
RF4/SEG16
45
48
37
I/L
ST
Segment Driver16.
RF5/SEG17
46
49
38
I/L
ST
Segment Driver17.
RF6/SEG18
47
50
39
I/L
ST
Segment Driver18.
RF7/SEG19
48
51
40
I/L
ST
Segment Driver19.
PORTG is a digital input or LCD Segment Driver port.
RG0/SEG20
49
53
41
I/L
ST
Segment Driver20.
RG1/SEG21
50
54
42
I/L
ST
Segment Driver21.
RG2/SEG22
51
55
43
I/L
ST
Segment Driver22.
RG3/SEG23
52
56
44
I/L
ST
Segment Driver23.
RG4/SEG24
53
57
45
I/L
ST
Segment Driver24.
RG5/SEG25
54
58
46
I/L
ST
Segment Driver25.
RG6/SEG26
55
59
47
I/L
ST
Segment Driver26.
RG7/SEG28
—
52
—
I/L
ST
Segment Driver28 (Not available on 64-pin devices).
VLCDADJ
28
30
20
P
LCD Voltage Generation.
AVDD
—
21
—
P
Analog Power (PIC16C924 only).
VDD
—
21
—
P
Power (PIC16C923 only).
VLCD1
27
29
19
P
LCD Voltage.
VLCD2
18
19
10
P
—
LCD Voltage.
TABLE 3-1: PIC16C9XX PINOUT DESCRIPTION (Cont.’d)
Pin Name
DIP
Pin#
PLCC
Pin#
TQFP
Pin#
Pin
Type
Buffer
Type
Description
Legend: I = input
O = output
P = power
L = LCD Driver
— = Not used
TTL = TTL input
ST = Schmitt Trigger input