PIC16F631/677/685/687/689/690
4.5.1
RC0/AN4/C2IN+
4.5.3
RC2/AN6/C12IN2-/P1D
The RC0 is configurable to function as one of the
following:
The RC2/AN6/P1D(1) is configurable to function as
one of the following:
• a general purpose I/O
• a general purpose I/O
• an analog input for the ADC (except PIC16F631)
• an analog input to Comparator C2
• an analog input for the ADC (except PIC16F631)
• a PWM output
• an analog input to Comparator C1 or C2
4.5.2
RC1/AN5/C12IN1-
Note 1: P1D is available on
The RC1 is configurable to function as one of the
following:
PIC16F685/PIC16F690 only.
• a general purpose I/O
4.5.4
RC3/AN7/C12IN3-/P1C
• an analog input for the ADC
• an analog input to Comparator C1 or C2
The RC3/AN7/P1C(1) is configurable to function as one
of the following:
• a general purpose I/O
FIGURE 4-11:
BLOCK DIAGRAM OF RC0
AND RC1
• an analog input for the ADC (except PIC16F631)
• a PWM output
Data Bus
• a PWM output
• an analog input to Comparator C1 or C2
VDD
D
Q
Note 1: P1C is available on
WR
PORTC
CK
Q
PIC16F685/PIC16F690 only.
I/O Pin
FIGURE 4-12:
BLOCK DIAGRAM OF RC2
AND RC3
D
Q
Q
WR
CK
TRISC
VSS
Analog Input
Data Bus
CCP1OUT
Enable
VDD
Mode(1)
RD
TRISC
D
Q
WR
PORTC
CK
RD
PORTC
Q
10
CCP1OUT
To Comparators
01
I/O Pin
To A/D Converter(2)
D
Q
Q
WR
TRISC
CK
VSS
Note 1:
2:
ANSEL determines Analog Input mode.
Not implemented on PIC16F631.
Analog Input
Mode(1)
RD
TRISC
RD
PORTC
To Comparators
To A/D Converter(2)
Available on PIC16F685/PIC16F690 only.
Note 1:
2:
ANSEL determines Analog Input mode.
Not implemented on PIC16F631.
© 2007 Microchip Technology Inc.
DS41262D-page 77
MICROCHIP [ MICROCHIP ]
