PIC16F883 Microchip Technology Inc., PIC16F883 Datasheet - Page 47

• Manufacturer Part Number: PIC16F883
• Description: 28/40/44-pin Flash-based, 8-bit Cmos Microcontrollers With Nanowatt Technology
• Manufacturer: Microchip Technology Inc.

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