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Microchip Technology IC PIC MCU PIC16F1937-I/PT TQFP-44 MCP PIC16F1937-I/PT Data Sheet

Product codes
PIC16F1937-I/PT
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 2008-2011 Microchip Technology Inc.
DS41364E-page 17
PIC16(L)F1934/6/7
TABLE 1-2:
PIC16(L)F1934/6/7 PINOUT
 DESCRIPTION
Name
Function
Input 
Type
Output 
Type
Description
RA0/AN0/C12IN0-/C2OUT
(1)
/
SRNQ
(1)
/SS
(1)
/V
CAP(2)
/SEG12
RA0
TTL
CMOS General purpose I/O.
AN0
AN
—
A/D Channel 0 input.
C12IN0-
AN
—
Comparator C1 or C2 negative input.
C2OUT
—
CMOS Comparator C2 output.
SRNQ
—
CMOS SR Latch inverting output.
SS
ST
—
Slave Select input.
V
CAP
Power
Power Filter capacitor for Voltage Regulator (PIC16F1934/6/7 only).
SEG12
—
AN
LCD Analog output.
RA1/AN1/C12IN1-/SEG7
RA1
TTL
CMOS General purpose I/O.
AN1
AN
—
A/D Channel 1 input.
C12IN1-
AN
—
Comparator C1 or C2 negative input.
SEG7
—
AN
LCD Analog output.
RA2/AN2/C2IN+/V
REF
-/
DACOUT/COM2
RA2
TTL
CMOS General purpose I/O.
AN2
AN
—
A/D Channel 2 input.
C2IN+
AN
—
Comparator C2 positive input.
V
REF
-
AN
—
A/D Negative Voltage Reference input.
DACOUT
—
AN
Voltage Reference output.
COM2
—
AN
LCD Analog output.
RA3/AN3/C1IN+/V
REF
+/
COM3
(3)
/SEG15
RA3
TTL
CMOS General purpose I/O.
AN3
AN
—
A/D Channel 3 input.
C1IN+
AN
—
Comparator C1 positive input.
V
REF
+
AN
—
A/D Voltage Reference input.
COM3
(3)
—
AN
LCD Analog output.
SEG15
—
AN
LCD Analog output.
RA4/C1OUT/CPS6/T0CKI/SRQ/
CCP5/SEG4
RA4
TTL
CMOS General purpose I/O.
C1OUT
—
CMOS Comparator C1 output.
CPS6
AN
—
Capacitive sensing input 6.
T0CKI
ST
—
Timer0 clock input.
SRQ
—
CMOS SR Latch non-inverting output.
CCP5
ST
CMOS Capture/Compare/PWM5.
SEG4
—
AN
LCD Analog output.
RA5/AN4/C2OUT
(1)
/CPS7/
SRNQ
(1)
/SS
(1)
/V
CAP(2)
/SEG5
RA5
TTL
CMOS General purpose I/O.
AN4
AN
—
A/D Channel 4 input.
C2OUT
—
CMOS Comparator C2 output.
CPS7
AN
—
Capacitive sensing input 7.
SRNQ
—
CMOS SR Latch inverting output.
SS
ST
—
Slave Select input.
V
CAP
Power
Power Filter capacitor for Voltage Regulator (PIC16F1934/6/7 only).
SEG5
—
AN
LCD Analog output.
Legend:
AN =  Analog input or output CMOS= CMOS compatible input or output
OD
= Open Drain
TTL =  TTL compatible input
ST
= Schmitt Trigger input with CMOS levels I
2
C™ = Schmitt Trigger input with I
2
C 
HV =  High Voltage
XTAL = Crystal
levels
Note
1:
Pin function is selectable via the APFCON register.
2:
PIC16F1934/6/7 devices only.
3:
PIC16(L)F1936 devices only.
4:
PORTD is available on PIC16(L)F1934/7 devices only.
5:
RE<2:0> are available on PIC16(L)F1934/7 devices only.