Datasheet

 2011-2013 Microchip Technology Inc. DS40001574C-page 3
PIC16(L)F1938/9
PIN DIAGRAMS
Pin Diagram – 28-Pin SPDIP/SOIC/SSOP
Pin Diagram – 28-Pin QFN/UQFN
PIC16F1938
PIC16LF1938
1
2
3
4
5
6
7
8
9
10
VPP/MCLR/RE3
RA0
RA1
RA2
RA3
RA4
RA5
RB6/ICSPCLK/ICDCLK
RB5
RB4
RB3
RB2
RB1
RB0
V
DD
VSS
11
12
13
14
15
16
17
18
19
20
28
27
26
25
24
23
22
21
V
SS
RA7
RA6
RC0
RC1
RC2
RC3
RC5
RC4
RC7
RC6
RB7/ICSPDAT/ICDDAT
2
3
6
1
18
19
20
21
15
7
16
17
RC0
5
4
RB7/ICSPDAT/ICDDAT RB6/ICSPCLK/ICDCLK RB5 RB4
RB3
RB2
RB1
RB0
V
DD
VSS
RC7
RC6 RC5 RC4
RE3/MCLR
/VPP
RA0 RA1
RA2
RA3
RA4
RA5
V
SS
RA7
RA6
RC1 RC2 RC3
9 10 13 8 14 12 11
27 26 23 28 22 24
25
PIC16F1938
PIC16LF1938
Note: It is recommended that the exposed bottom pad be connected to VSS.