PIC16F882/883/884/886/887
3.2.3.6
RA5/AN4/SS/C2OUT
3.2.3.7
RA6/OSC2/CLKOUT
Figure 3-6 shows the diagram for this pin. This pin is
configurable to function as one of the following:
Figure 3-7 shows the diagram for this pin. This pin is
configurable to function as one of the following:
• a general purpose I/O
• a general purpose I/O
• a crystal/resonator connection
• a clock output
• an analog input for the ADC
• a slave select input
• a digital output from Comparator C2
FIGURE 3-7:
BLOCK DIAGRAM OF RA6
FIGURE 3-6:
BLOCK DIAGRAM OF RA5
Oscillator
Circuit
Data Bus
Data Bus
OSC2
C2OUT
Enable
VDD
VDD
CLKOUT
Enable
D
Q
Q
FOSC/4
1
0
WR
PORTA
CK
D
Q
Q
C2OUT
1
0
I/O Pin
WR
PORTA
CK
I/O Pin
CLKOUT
Enable
D
Q
Q
VSS
WR
TRISA
CK
D
Q
Q
VSS
INTOSCIO/
EXTRCIO/EC(1)
Analog(1)
Input Mode
WR
TRISA
CK
RD
TRISA
CLKOUT
Enable
RD
TRISA
RD
PORTA
RD
PORTA
To SS Input
To A/D Converter
Note 1: With I/O option.
Note 1: ANSEL determines Analog Input mode.
© 2007 Microchip Technology Inc.
Preliminary
DS41291D-page 45
MICROCHIP [ MICROCHIP ]
