PIC16F688 Pin Descriptions And Diagrams - Microchip Technology Inc.

no-image

PIC16F688

Manufacturer Part Number
PIC16F688
Description
Manufacturer
Microchip Technology Inc.
Datasheet
string(70) "Class: /home/ecomp/master.elcodis.git/htdocs/inc/../Doc.php not found!" string(70) "Class: /home/ecomp/master.elcodis.git/htdocs/inc/../Doc.php not found!" string(70) "Class: /home/ecomp/master.elcodis.git/htdocs/inc/../Doc.php not found!"
4.2.5
Each PORTA pin is multiplexed with other functions.
The pins and their combined functions are briefly
described here. For specific information about individ-
ual functions such as the comparator or the A/D, refer
to the appropriate section in this data sheet.
FIGURE 4-1:
© 2007 Microchip Technology Inc.
PIN DESCRIPTIONS AND
DIAGRAMS
Data Bus
WPUDA
WPUDA
PORTA
PORTA
TRISA
TRISA
WR
IOCA
IOCA
RD
Interrupt-on-
WR
WR
WR
RD
RD
RD
Note 1:
Change
BLOCK DIAGRAM OF RA0
D
D
D
D
CK
CK
CK
CK
Comparator mode and ANSEL determines analog Input mode.
Q
Q
Q
Q
Q
Q
Q
Q
To Comparator
To A/D Converter
RD PORTA
Input Mode
Analog
Q
Q
(1)
Input Mode
Analog
EN
EN
D
D
0
4.2.5.1
Figure 4-1 shows the diagram for this pin. The RA0 pin
is configurable to function as one of the following:
• a general purpose I/O
• an analog input for the A/D
• an analog input to the comparator
• an analog input to the Ultra Low-Power Wake-up
• In-Circuit Serial Programming™ data
(1)
RAPU
1
Q3
+
-
ULPWUE
V
Weak
RA0/AN0/C1IN+/ICSPDAT/ULPWU
DD
I
Vss
ULP
V
T
PIC16F688
V
V
DD
SS
I/O PIN
DS41203C-page 37

Related parts for PIC16F688