PIC16F631/677/685/687/689/690
4.5.7
RC6/AN8/SS
4.5.8
RC7/AN9/SDO
The RC6/AN8/SS(1,2) is configurable to function as one
of the following:
The RC7/AN9/SDO(1,2) 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)
• a slave select input
• an analog input for the ADC (except PIC16F631)
• a serial data output
Note 1: SS is available on
Note 1: SDO is available on PIC16F687/
PIC16F687/PIC16F689/PIC16F690 only.
PIC16F689/PIC16F690 only.
2: AN8 is not implemented on PIC16F631.
2: AN9 is not implemented on PIC16F631.
FIGURE 4-15:
BLOCK DIAGRAM OF RC6
FIGURE 4-16:
BLOCK DIAGRAM OF RC7
Data Bus
PORT/SDO
Select
VDD
Data Bus
D
Q
10
SDO
WR
PORTC
CK
Q
VDD
D
Q
01
WR
PORTC
CK
I/O Pin
Q
D
Q
Q
WR
TRISC
CK
I/O Pin
VSS
Analog Input
D
Q
Q
Mode(1)
WR
TRISC
CK
RD
TRISC
VSS
Analog Input
Mode(1)
RD
TRISC
RD
PORTC
To SS Input
To A/D Converter(2)
RD
PORTC
To A/D Converter(2)
Available on PIC16F685/PIC16F690 only.
Note 1:
2:
ANSEL determines Analog Input mode.
Not implemented on PIC16F631.
Available on PIC16F685/PIC16F690 only.
Note 1:
2:
ANSEL determines Analog Input mode.
Not implemented on PIC16F631.
© 2007 Microchip Technology Inc.
DS41262D-page 79
MICROCHIP [ MICROCHIP ]
