PIC16F688
4.3.1
RC0/AN4/C2IN+
4.3.3
RC2/AN6
Figure 4-7 shows the diagram for this pin. The RC0 is
configurable to function as one of the following:
Figure 4-8 shows the diagram for this pin. The RC2 is
configurable to function as one of the following:
• a general purpose I/O
• a general purpose I/O
• an analog input for the A/D Converter
• an analog input to the comparator
• an analog input for the A/D Converter
4.3.4
RC3/AN7
4.3.2
RC1/AN5/C2IN-
Figure 4-8 shows the diagram for this pin. The RC3 is
configurable to function as one of the following:
Figure 4-7 shows the diagram for this pin. The RC1 is
configurable to function as one of the following:
• a general purpose I/O
• a general purpose I/O
• an analog input for the A/D Converter
• an analog input for the A/D Converter
• an analog input to the comparator
FIGURE 4-8:
BLOCK DIAGRAM OF RC2
AND RC3
FIGURE 4-7:
BLOCK DIAGRAM OF RC0
AND RC1
Data Bus
VDD
Data Bus
D
CK
Q
Q
WR
PORTC
VDD
D
Q
Q
WR
CK
PORTC
I/O Pin
D
Q
Q
WR
TRISC
CK
I/O Pin
VSS
Analog Input
D
Q
Q
Mode(1)
WR
CK
RD
TRISC
VSS
Analog Input
TRISC
Mode(1)
RD
PORTC
RD
TRISC
To A/D Converter
RD
PORTC
To Comparators
Note 1: Analog Input mode comes from ANSEL.
To A/D Converter
Note 1: Analog Input mode is based upon Comparator mode
and ANSEL.
© 2007 Microchip Technology Inc.
DS41203C-page 43
MICROCHIP [ MICROCHIP ]
