PIC16F684T-E Datasheet, PDF (43/192 Pages) Microchip Technology – 14-Pin, Flash-Based 8-Bit CMOS Microcontrollers with nanoWatt Technology

4.3.1 RC0/AN4/C2IN+
The RC0 is configurable to function as one of the
following:
• a general purpose I/O
• an analog input for the ADC
• an analog non-inverting input to the comparator
4.3.2
RC1/AN5/C2IN-
The RC1 is configurable to function as one of the
following:
• a general purpose I/O
• an analog input for the ADC
• an analog inverting input to the comparator
FIGURE 4-7:
Data Bus
BLOCK DIAGRAM OF RC0
AND RC1
DQ
WR
PORTC
CK _Q
WR
TRISC
DQ
CK _Q
RD
TRISC
Analog Input
Mode⁽¹⁾
RD
PORTC
To Comparators
To A/D Converter
VDD
I/O Pin
VSS
Note 1: Analog Input mode comes from ANSEL or
Comparator mode.
PIC16F684
4.3.3 RC2/AN6/P1D
The RC2 is configurable to function as one of the
following:
• a general purpose I/O
• an analog input for the ADC
• a digital output from the Enhanced CCP
4.3.4 RC3/AN7/P1C
The RC3 is configurable to function as one of the
following:
• a general purpose I/O
• an analog input for the ADC
• a digital output from the Enhanced CCP
FIGURE 4-8:
Data Bus
WR
PORTC
DQ
CK _Q
WR
TRISC
DQ
CK _Q
RD
TRISC
BLOCK DIAGRAM OF RC2
AND RC3
CCPOUT
Enable
VDD
CCPOUT 1
0
I/O Pin
VSS
Analog Input
Mode⁽¹⁾
RD
PORTC
To A/D Converter
Note 1: Analog Input mode comes from ANSEL.
© 2007 Microchip Technology Inc.
DS41202F-page 41