PIC16F946 Datasheet, PDF (59/274 Pages) Microchip Technology – 64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology

3.5.1
PIN DESCRIPTIONS AND
DIAGRAMS
Each PORTD pin is multiplexed with other functions. The
pins and their combined functions are briefly described
here. For specific information about individual functions
such as the comparator or the A/D, refer to the
appropriate section in this data sheet.
3.5.1.1 RD0/COM3
Figure 3-22 shows the diagram for this pin. The
RD0/COM3 pin is configurable to function as one of the
following:
• a general purpose I/O
• an analog input from Comparator 1
3.5.1.2 RD1
Figure 3-23 shows the diagram for this pin. The RD1
pin is configurable to function as one of the following:
• a general purpose I/O
3.5.1.3 RD2/CCP2
Figure 3-24 shows the diagram for this pin. The
RD2/CCP2 pin is configurable to function as one of the
following:
• a general purpose I/O
• a Capture input, Compare output or PWM output
3.5.1.4 RD3/SEG16
Figure 3-25 shows the diagram for this pin. The
RD3/SEG16 pin is configurable to function as one of
the following:
• a general purpose I/O
• an analog output for the LCD
3.5.1.5 RD4/SEG17
Figure 3-25 shows the diagram for this pin. The
RD4/SEG17 pin is configurable to function as one of
the following:
• a general purpose I/O
• an analog output for the LCD
3.5.1.6 RD5/SEG18
Figure 3-25 shows the diagram for this pin. The
RD5/SEG18 pin is configurable to function as one of
the following:
• a general purpose I/O
• an analog output for the LCD
PIC16F946
3.5.1.7 RD6/SEG19
Figure 3-25 shows the diagram for this pin. The
RD6/SEG19 pin is configurable to function as one of
the following:
• a general purpose I/O
• an analog output for the LCD
3.5.1.8 RD7/SEG20
Figure 3-25 shows the diagram for this pin. The
RD7/SEG20 pin is configurable to function as one of
the following:
• a general purpose I/O
• an analog output for the LCD
© 2005 Microchip Technology Inc.
Preliminary
DS41265A-page 57