RFPIC12F675H Microchip Technology Inc., RFPIC12F675H Datasheet - Page 23

• Manufacturer Part Number: RFPIC12F675H
• Description: 20-pin Flash-based 8-bit Cmos Microcontroller With Uhf Ask/fsk Transmitter
• Manufacturer: Microchip Technology Inc.

3.3.3
Figure 3-2 shows the diagram for this pin. The GP2 pin
is configurable to function as one of the following:
• a general purpose I/O
• an analog input for the A/D
• the clock input for TMR0
• an external edge triggered interrupt
• a digital output from the comparator
FIGURE 3-2:
 2003 Microchip Technology Inc.
TRISIO
Data Bus
PORT
PORT
Interrupt-on-Change
WPU
WPU
TRISIO
WR
WR
WR
WR
IOC
IOC
RD
RD
RD
RD
D
D
D
D
To TMR0
To INT
To A/D Converter
CK
CK
CK
CK
GP2/AN2/T0CKI/INT/COUT
Q
Q
Q
Q
Q
Q
Q
Q
Input Mode
BLOCK DIAGRAM OF GP2
Analog
Enable
COUT
COUT
GPPU
Input Mode
Analog
RD PORT
1
0
Q
Q
Analog
Mode
Input
EN
EN
D
D
V
DD
Weak
V
V
DD
SS
I/O pin
Preliminary
3.3.4
Figure 3-3 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
FIGURE 3-3:
Data Bus
PORT
Interrupt-on-Change
IOC
TRISIO
IOC
WR
RD
RD
RD
D
CK
GP3/MCLR/V
Q
Q
RESET
rfPIC12F675
BLOCK DIAGRAM OF GP3
V
SS
PP
RD PORT
MCLRE
Q
Q
MCLRE
EN
EN
DS70091A-page 21
D
D
V
SS
I/O pin