Datasheet

PIC16(L)F1938/9
DS40001574C-page 14  2011-2013 Microchip Technology Inc.
RA6/OSC2/CLKOUT/V
CAP
(2)
/
SEG1
RA6 TTL CMOS General purpose I/O.
OSC2 — XTAL Crystal/Resonator (LP, XT, HS modes).
CLKOUT — CMOS F
OSC/4 output.
V
CAP Power Power Filter capacitor for Voltage Regulator (PIC16F1938/9 only).
SEG1 — AN LCD Analog output.
RA7/OSC1/CLKIN/SEG2 RA7 TTL CMOS General purpose I/O.
OSC1 XTAL — Crystal/Resonator (LP, XT, HS modes).
CLKIN CMOS — External clock input (EC mode).
SEG2 — AN LCD Analog output.
RB0/AN12/CPS0/CCP4/SRI/INT/
SEG0
RB0 TTL CMOS General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up.
AN12 AN — A/D Channel 12 input.
CPS0 AN — Capacitive sensing input 0.
CCP4 ST CMOS Capture/Compare/PWM4.
SRI — ST SR Latch input.
INT ST — External interrupt.
SEG0 — AN LCD analog output.
RB1/AN10/C12IN3-/CPS1/P1C/
VLCD1
RB1 TTL CMOS General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up.
AN10 AN — A/D Channel 10 input.
C12IN3-
AN — Comparator C1 or C2 negative input.
CPS1 AN — Capacitive sensing input 1.
P1C — CMOS PWM output.
VLCD1 AN — LCD analog input.
RB2/AN8/CPS2/P1B/VLCD2 RB2 TTL CMOS General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up.
AN8 AN — A/D Channel 8 input.
CPS2 AN — Capacitive sensing input 2.
P1B — CMOS PWM output.
VLCD2 AN — LCD analog input.
RB3/AN9/C12IN2-/CPS3/
CCP2
(1)
/P2A
(1)
/VLCD3
RB3 TTL CMOS General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up.
AN9 AN — A/D Channel 9 input.
C12IN2-
AN — Comparator C1 or C2 negative input.
CPS3 AN — Capacitive sensing input 3.
CCP2 ST CMOS Capture/Compare/PWM2.
P2A — CMOS PWM output.
VLCD3 AN — LCD analog input.
TABLE 1-2: PIC16(L)F1938/9 PINOUT DESCRIPTION (CONTINUED)
Name Function
Input
Type
Output
Type
Description
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 XTAL = Crystal
HV = High Voltage I
2
C™ = Schmitt Trigger input with I
2
C levels
Note 1: Pin function is selectable via the APFCON register.
2: PIC16F1938/9 devices only.
3: PIC16(L)F1938 devices only.
4: PORTD is available on PIC16(L)F1939 devices only.
5: RE<2:0> are available on PIC16(L)F1939 devices only.