Datasheet

2011-2013 Microchip Technology Inc. DS40001574C-page 7
PIC16(L)F1938/9
TABLE 2: 40/44-PIN SUMMARY (PIC16F1939, PIC16LF1939)
I/O
40-Pin PDIP
40-Pin UQFN
44-Pin TQFP
44-Pin QFN
ANSEL
A/D
Cap Sense
Comparator
SR Latch
Timers
CCP
EUSART
MSSP
LCD
Interrupt
Pull-up
Basic
RA0 2 17 19 19 Y AN0 C12IN0-/
C2OUT
(1)
SRNQ
(1)
SS
(1)
SEG12 VCAP
RA1 3 18 20 20 Y AN1 C12IN1- SEG7
RA2 4 19 21 21 Y AN2/
V
REF-
C2IN+/
DACOUT
COM2
RA3 5 20 22 22 Y AN3/
V
REF+
—C1IN+ SEG15
RA4 6 21 23 23 Y CPS6 C1OUT SRQ T0CKI SEG4
RA5 7 22 24 24 Y AN4 CPS7 C2OUT
(1)
SRNQ
(1)
——SS
(1)
SEG5 VCAP
RA6 14 29 31 33 SEG1 OSC2/
CLKOUT
V
CAP
RA7 13 28 30 32 SEG2 OSC1/
CLKIN
RB0 33 8 8 9 Y AN12 CPS0 SRI SEG0 INT/
IOC
Y
RB1 34 9 9 10 Y AN10 CPS1 C12IN3- VLCD1 IOC Y
RB2 35 10 10 11 Y AN8 CPS2 VLCD2 IOC Y
RB3 36 11 11 12 Y AN9 CPS3 C12IN2- CCP2
(1)
/
P2A
(1)
VLCD3 IOC Y
RB4 37 12 14 14 Y AN11 CPS4 COM0 IOC Y
RB5 38 13 15 15 Y AN13 CPS5 T1G
(1)
CCP3
(1)
/
P3A
(1)
——COM1IOCY
RB6 39 14 16 16 SEG14 IOC Y ICSPCLK/
ICDCLK
RB7 40 15 17 17 SEG13 IOC Y ICSPDAT/
ICDDAT
RC0 15 30 32 34 T1OSO/
T1CKI
P2B
(1)
RC1 16 31 35 35 T1OSI CCP2
(1)
/
P2A
(1)
——
RC2 17 32 36 36 CCP1/
P1A
SEG3
RC3 18 37 37 37 SCK/SCL SEG6
RC4 23 38 42 42 T1G
(1)
SDI/SDA SEG11
RC5 24 39 43 43 SDO SEG10
RC6 25 40 44 44 TX/CK SEG9
RC7 26 1 1 1 RX/DT SEG8
RD0 19 34 38 38 Y CPS8 COM3
RD1 20 35 39 39 Y CPS9 CCP4
RD2 21 36 40 40 Y CPS10 P2B
(1)
RD3 22 37 41 41 Y CPS11 P2C SEG16
RD4 27 2 2 2 Y CPS12 P2D SEG17
RD5 28 3 3 3 Y CPS13 P1B SEG18
RD6 29 4 4 4 Y CPS14 P1C SEG19
RD7 30 5 5 5 Y CPS15 P1D SEG20
RE0 8 23 25 25 Y AN5 CCP3
(1)
P3A
(1)
SEG21
RE1 9 24 26 26 Y AN6 P3B SEG22
RE2 10 25 27 27 Y AN7 CCP5 SEG23
RE3 1 16 18 18 Y MCLR
/VPP
VDD 11,
32
7,
26
7,
28
7,8,
28
VDD
Vss 12,
31
6,
27
6,
29
6,30,
31
—— VSS
Note 1: Pin functions can be moved using the APFCON register.