PIC12F683-E/MD MICROCHIP [Microchip Technology], PIC12F683-E/MD Datasheet - Page 38

• Manufacturer Part Number: PIC12F683-E/MD
• Description: 8-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

PIC12F683
4.2.5
Each GPIO pin is multiplexed with other functions. The
pins and their combined functions are briefly described
here. For specific information about individual functions
such as the comparator or the ADC, refer to the
appropriate section in this data sheet.
FIGURE 4-1:
DS41211D-page 36
PIN DESCRIPTIONS AND
DIAGRAMS
Note 1:
Data Bus
TRISIO
TRISIO
GPIO
GPIO
WPU
WPU
Interrupt-on-
IOC
IOC
WR
WR
WR
WR
RD
RD
RD
RD
Change
BLOCK DIAGRAM OF GP0
Comparator mode and ANSEL determines Analog Input mode.
D
D
D
D
To Comparator
To A/D Converter
CK
CK
CK
CK
Q
Q
Q
Q
Q
Q
Q
Q
Input Mode
RD GPIO
Analog
Q
Q
Input Mode
(1)
EN
EN
Analog
D
D
4.2.5.1
Figure 4-1 shows the diagram for this pin. The GP0 pin
is configurable to function as one of the following:
• a general purpose I/O
• an analog input for the ADC
• an analog input to the comparator
• In-Circuit Serial Programming™ data
• an analog input to the Ultra Low-Power Wake-up
0
GPPU
(1)
1
Q3
+
-
ULPWUE
GP0/AN0/CIN+/ICSPDAT/ULPWU
V
V
Weak
DD
SS
I
ULP
V
© 2007 Microchip Technology Inc.
T
V
V
DD
SS
I/O pin