Datasheet

PIC16(L)F1938/9
DS40001574C-page 16  2011-2013 Microchip Technology Inc.
RC4/SDI/SDA/T1G
(1)
/SEG11 RC4 ST CMOS General purpose I/O.
SDI ST — SPI data input.
SDA I
2
CODI
2
C™ data input/output.
T1G ST — Timer1 Gate input.
SEG11 — AN LCD Analog output.
RC5/SDO/SEG10 RC5 ST CMOS General purpose I/O.
SDO — CMOS SPI data output.
SEG10 — AN LCD Analog output.
RC6/TX/CK/CCP3/P3A/SEG9 RC6 ST CMOS General purpose I/O.
TX — CMOS USART asynchronous transmit.
CK ST CMOS USART synchronous clock.
CCP3 ST CMOS Capture/Compare/PWM3.
P3A — CMOS PWM output.
SEG9 — AN LCD Analog output.
RC7/RX/DT/P3B/SEG8 RC7 ST CMOS General purpose I/O.
RX ST — USART asynchronous input.
DT ST CMOS USART synchronous data.
P3B — CMOS PWM output.
SEG8 — AN LCD Analog output.
RD0
(4)
/CPS8/COM3 RD0 ST CMOS General purpose I/O.
CPS8 AN — Capacitive sensing input 8.
COM3 — AN LCD analog output.
RD1
(4)
/CPS9/CCP4 RD1 ST CMOS General purpose I/O.
CPS9 AN — Capacitive sensing input 9.
CCP4 ST CMOS Capture/Compare/PWM4.
RD2
(4)
/CPS10/P2B RD2 ST CMOS General purpose I/O.
CPS10 AN — Capacitive sensing input 10.
P2B — CMOS PWM output.
RD3
(4)
/CPS11/P2C/SEG16 RD3 ST CMOS General purpose I/O.
CPS11 AN — Capacitive sensing input 11.
P2C — CMOS PWM output.
SEG16 — AN LCD analog output.
RD4
(4)
/CPS12/P2D/SEG17 RD4 ST CMOS General purpose I/O.
CPS12 AN — Capacitive sensing input 12.
P2D — CMOS PWM output.
SEG17 — AN LCD analog output.
RD5
(4)
/CPS13/P1B/SEG18 RD5 ST CMOS General purpose I/O.
CPS13 AN — Capacitive sensing input 13.
P1D — CMOS PWM output.
SEG18 — AN LCD analog output.
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.