PIC12F683-E/MD MICROCHIP [Microchip Technology], PIC12F683-E/MD Datasheet - Page 40

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

PIC12F683
4.2.5.4
Figure 4-4 shows the diagram for this pin. The GP3 pin
is configurable to function as one of the following:
• a general purpose input
• as Master Clear Reset with weak pull-up
FIGURE 4-4:
DS41211D-page 38
TRISIO
GPIO
Interrupt-on-
Data
IOC
IOC
Bus
WR
RD
RD
RD
change
D
CK
GP3/MCLR/V
Q
Q
Reset
MCLRE
BLOCK DIAGRAM OF GP3
V
SS
PP
MCLRE
RD GPIO
Q
Q
MCLRE
EN
EN
D
D
V
DD
Weak
V
Q3
SS
Input
pin
4.2.5.5
Figure 4-5 shows the diagram for this pin. The GP4 pin
is configurable to function as one of the following:
• a general purpose I/O
• an analog input for the ADC
• a Timer1 gate input
• a crystal/resonator connection
• a clock output
FIGURE 4-5:
TRISIO
TRISIO
GPIO
GPIO
WPU
WPU
Note 1: CLK modes are XT, HS, LP, optional LP oscillator and
Data
IOC
IOC
Bus
WR
WR
WR
WR
Interrupt-on-
RD
RD
RD
RD
change
2: With CLKOUT option.
CLKOUT Enable.
D
D
D
D
To T1G
To A/D Converter
CK
CK
CK
CK
GP4/AN3/T1G/OSC2/CLKOUT
Q
Q
Q
Q
Q
Q
Q
Q
Input Mode
BLOCK DIAGRAM OF GP4
© 2007 Microchip Technology Inc.
Analog
OSC1
F
OSC
INTOSC/
RC/EC
CLKOUT
CLKOUT
Enable
Enable
Input Mode
/4
GPPU
CLKOUT
Analog
Enable
Oscillator
RD GPIO
Circuit
Modes
Q
Q
1
0
(2)
CLK
EN
EN
(1)
D
D
V
DD
Weak
V
V
Q3
SS
DD
I/O pin