PIC16F688

Manufacturer Part NumberPIC16F688
ManufacturerMicrochip Technology Inc.
PIC16F688 datasheet
 


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Page 45/202:

BLOCK DIAGRAM OF RC2 AND RC3

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