PIC12F609-H/MD MICROCHIP [Microchip Technology], PIC12F609-H/MD Datasheet - Page 50

• Manufacturer Part Number: PIC12F609-H/MD
• Description: 8-Pin, Flash-Based 8-Bit CMOS Microcontrollers
• Manufacturer: MICROCHIP [Microchip Technology]

PIC12F609/615/617/12HV609/615
5.2.4.5
Figure 5-4 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
• Comparator inverting input
• a Timer1 gate (count enable)
FIGURE 5-4:
DS41302D-page 50
Interrupt-on-
Note 1: CLK modes are XT, HS, LP, TMR1 LP and CLKOUT Enable.
Change
2: With CLKOUT option.
3: Analog Input mode comes from ANSEL.
4: Set has priority over Reset.
5: PIC12F615/617/HV615 only.
GP4/AN3
P1B
Write ‘0’ to GBIF
(1, 2)
BLOCK DIAGRAM OF GP4
/OSC2/CLKOUT
(2)
Q
/CIN1-/T1G/
S
R
(2)
(4)
Data Bus
TRISIO
TRISIO
GPIO
GPIO
WPU
WPU
WR
IOC
IOC
WR
WR
WR
RD
RD
RD
RD
GP<5, 3:0> pins
From other
D
D
D
D
CK
CK
CK
CK
Q
Q
To T1G
To A/D Converter
Q
Q
Q
Q
Q
Q
Input Mode
• PWM output, alternate pin
• a crystal/resonator connection
• a clock output
Analog
OSC1
F
(5)
Note 1: Alternate pin function.
OSC
INTOSC/
RC/EC
CLKOUT
CLKOUT
Enable
(3)
Enable
Input Mode
/4
GPPU
CLKOUT
Analog
2: PIC12F615/617/HV615 only.
Enable
RD GPIO
Oscillator
Circuit
Modes
Q
Q
1
0
(2)
CLK
EN
EN
(1)
D
D
V
DD
Weak
V
V
 2010 Microchip Technology Inc.
Q1
SS
DD
I/O Pin
(1, 2)