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RFPIC12F675K Datasheet(PDF) 6 Page - Microchip Technology

Part No. RFPIC12F675K
Description  20-Pin FLASH-Based 8-Bit CMOS Microcontroller with UHF ASK/FSK Transmitter
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Maker  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

RFPIC12F675K Datasheet(HTML) 6 Page - Microchip Technology

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rfPIC12F675
DS70091A-page 4
Preliminary
 2003 Microchip Technology Inc.
TABLE 1-1:
rfPIC12F675 PINOUT
PIN
BUFFER
WEAK
PULL-UP
DESCRIPTION
IN
OUT
1V
DD
Direct
Power Supply
2
GP5
TTL
CMOS
Prog
General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up.
T1CKI
ST
Timer1 clock
OSC1
Xtal
Bias
XTAL connection
CLKIN
ST
External RC network or clock input
3
GP4
TTL
CMOS
Prog
General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up.
T1G
ST
Timer1 gate
AN3
Analog
A/D Channel 3 input
OSC2
Xtal
Bias
XTAL connection
CLKOUT
CMOS
T
OSC/4 reference clock
4
GP3
TTL
General purpose input. Individually controlled interrupt-on-
change.
MCLR
ST
No
Master Clear Reset
V
PP
HV
Programming voltage
5
RFXTAL
Xtal
Xtal
Bias
RF Crystal
6
RFEN
TTL
RF Enable
7
REFCLK
CMOS
Reference Clock/4 Output (on rfPIC12F675K/F)
Reference Clock/8 Output (on rfPIC12F675H)
8
PS
Analog
Bias
Power Select
9V
DDRF
Direct
RF Power Supply
10
V
SSRF
Direct
RF Ground Reference
11
ANT
OD
RF power amp output to antenna
12
V
SSRF
Direct
RF Ground Reference
13
LF
Analog
Analog
Loop Filter
14
DATA
ASK
TTL
ASK modulation data
15
DATA
FSK
TTL
FSK modulation data
16
FSK
OUT
OD
FSK output to modulate reference crystal
17
GP2
ST
CMOS
Prog
General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull up.
AN2
Analog
A/D Channel 2 input
COUT
CMOS
Comparator output
T0CKI
ST
External clock for Timer0
INT
ST
External interrupt
18
GP1
TTL
CMOS
Prog
General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up.
AN1
Analog
A/D Channel 1 input
CIN-
Analog
Comparator input - negative
V
REF
Analog
External voltage reference
ICSPCLK
ST
Serial programming clock
19
GP0
TTL
CMOS
Prog
General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up.
AN0
Analog
A/D Channel 0 input
CIN+
Analog
Comparator input - positive
ICSPDAT
TTL
CMOS
Serial Programming Data I/O
20
V
SS
Direct
Ground reference
Legend:
TTL = TTL input buffer, ST = Schmitt Trigger input buffer, OD = Open Drain output


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