PIC16F946 Datasheet, PDF (42/274 Pages) Microchip Technology – 64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology

PIC16F946
3.3.3
PIN DESCRIPTIONS AND
DIAGRAMS
Each PORTB 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 LCD or interrupts, refer to the appropriate
section in this data sheet.
3.3.3.1 RB0/INT/SEG0
Figure 3-9 shows the diagram for this pin. The
RB0/INT/SEG0 pin is configurable to function as one of
the following:
• a general purpose I/O
• an external edge triggered interrupt
• an analog output for the LCD
3.3.3.2 RB1/SEG1
Figure 3-9 shows the diagram for this pin. The
RB1/SEG1 pin is configurable to function as one of the
following:
• a general purpose I/O
• an analog output for the LCD
3.3.3.3 RB2/SEG2
Figure 3-9 shows the diagram for this pin. The
RB2/SEG2 pin is configurable to function as one of the
following:
• a general purpose I/O
• an analog output for the LCD
3.3.3.4 RB3/SEG3
Figure 3-9 shows the diagram for this pin. The
RB3/SEG3 pin is configurable to function as one of the
following:
• a general purpose I/O
• an analog output for the LCD
DS41265A-page 40
Preliminary
© 2005 Microchip Technology Inc.