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

PIC16F946
3.6.1
PIN DESCRIPTIONS AND
DIAGRAMS
Each PORTE 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.
3.6.1.1 RE0/AN5/SEG21
Figure 3-26 shows the diagram for this pin. The
RE0/AN5/SEG21 pin is configurable to function as one
of the following:
• a general purpose I/O
• an analog input for the A/D
• an analog output for the LCD
3.6.1.2 RE1/AN6/SEG22
Figure 3-26 shows the diagram for this pin. The
RE1/AN6/SEG22 pin is configurable to function as one
of the following:
• a general purpose I/O
• an analog input for the A/D
• an analog output for the LCD
3.6.1.3 RE2/AN7/SEG23
Figure 3-26 shows the diagram for this pin. The
RE2/AN7/SEG23 pin is configurable to function as one
of the following:
• a general purpose I/O
• an analog input for the A/D
• an analog output for the LCD
3.6.1.4 RE3/MCLR/VPP
Figure 3-27 shows the diagram for this pin. The
RE3/MCLR/VPP pin is configurable to function as one
of the following:
• a digital input only
• as Master Clear Reset with weak pull-up
• a programming voltage reference input
3.6.1.5 RE4/SEG24
Figure 3-26 shows the diagram for this pin. The
RE4/SEG24 pin is configurable to function as one of
the following:
• a general purpose I/O
• an analog output for the LCD
3.6.1.6 RE5/SEG25
Figure 3-26 shows the diagram for this pin. The
RE5/SEG25 pin is configurable to function as one of
the following:
• a general purpose I/O
• an analog output for the LCD
3.6.1.7 RE6/SEG26
Figure 3-26 shows the diagram for this pin. The
RE6/SEG26 pin is configurable to function as one of
the following:
• a general purpose I/O
• an analog output for the LCD
3.6.1.8 RE7/SEG27
Figure 3-26 shows the diagram for this pin. The
RE7/SEG27 pin is configurable to function as one of
the following:
• a general purpose I/O
• an analog output for the LCD
DS41265A-page 62
Preliminary
© 2005 Microchip Technology Inc.