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PIC16F1938_13 Datasheet, PDF (15/488 Pages) Microchip Technology – 28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver
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PIC16(L)F1938/9
TABLE 1-2: PIC16(L)F1938/9 PINOUT DESCRIPTION (CONTINUED)
Name
Function
Input Output
Type Type
Description
RB4/AN11/CPS4/P1D/COM0
RB4
TTL CMOS General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up.
AN11
AN
— A/D Channel 11 input.
CPS4
AN
— Capacitive sensing input 4.
P1D
— CMOS PWM output.
RB5/AN13/CPS5/P2B/CCP3(1)/
P3A(1)/T1G(1)/COM1
COM0
RB5
—
AN LCD Analog output.
TTL CMOS General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up.
AN13
AN
— A/D Channel 13 input.
CPS5
AN
— Capacitive sensing input 5.
P2B
— CMOS PWM output.
CCP3
ST CMOS Capture/Compare/PWM3.
P3A
— CMOS PWM output.
T1G
ST
— Timer1 Gate input.
COM1
—
AN LCD Analog output.
RB6/ICSPCLK/ICDCLK/SEG14
RB6
TTL CMOS General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up.
ICSPCLK ST
— Serial Programming Clock.
ICDCLK ST
— In-Circuit Debug Clock.
SEG14
—
AN LCD Analog output.
RB7/ICSPDAT/ICDDAT/SEG13
RB7
TTL CMOS General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up.
ICSPDAT ST CMOS ICSP™ Data I/O.
ICDDAT ST CMOS In-Circuit Data I/O.
RC0/T1OSO/T1CKI/P2B(1)
SEG13
RC0
—
AN LCD Analog output.
ST CMOS General purpose I/O.
T1OSO XTAL XTAL Timer1 oscillator connection.
T1CKI
ST
— Timer1 clock input.
RC1/T1OSI/CCP2(1)/P2A(1)
P2B
RC1
— CMOS PWM output.
ST CMOS General purpose I/O.
T1OSI XTAL XTAL Timer1 oscillator connection.
CCP2
ST CMOS Capture/Compare/PWM2.
P2A
— CMOS PWM output.
RC2/CCP1/P1A/SEG3
RC2
ST CMOS General purpose I/O.
CCP1
ST CMOS Capture/Compare/PWM1.
P1A
— CMOS PWM output.
SEG3
—
AN LCD Analog output.
RC3/SCK/SCL/SEG6
RC3
ST CMOS General purpose I/O.
SCK
SCL
ST CMOS SPI clock.
I2C
OD I2C™ clock.
SEG6
—
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 XTAL = Crystal
HV = High Voltage
I2C™ = Schmitt Trigger input with I2C 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.
 2011-2013 Microchip Technology Inc.
DS40001574C-page 15
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