RFPIC12C509AG Microchip Technology Inc., RFPIC12C509AG Datasheet - Page 3
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RFPIC12C509AG
Manufacturer Part Number
RFPIC12C509AG
Description
18/20-pin 8-bit Cmos Microcontroller With Uhf Ask/fsk Transmitter
Manufacturer
Microchip Technology Inc.
Datasheet
1.RFPIC12C509AG.pdf
(104 pages)
- Current page: 3 of 104
- Download datasheet (2Mb)
High-Performance RISC CPU:
• Only 33 single word instructions to learn
• All instructions are single cycle (1 s) except for
• Operating speed: DC - 4 MHz clock input
• 12-bit wide instructions
• 8-bit wide data path
• Seven special function hardware registers
• Two-level deep hardware stack
• Direct, indirect and relative addressing modes for
• Internal 4 MHz RC oscillator with programmable
• In-Circuit Serial Programming™ (ICSP™)
Peripheral Features:
• 8-bit real time clock/counter (TMR0) with 8-bit
• Power-On Reset (POR)
• Device Reset Timer (DRT)
• Watchdog Timer (WDT) with its own on-chip RC
• Programmable code-protection
• Power saving SLEEP mode
• Wake-up from SLEEP on pin change
• Internal weak pull-ups on I/O pins
• Internal pull-up on MCLR pin
• Selectable oscillator options:
©
rfPIC12C509AG
rfPIC12C509AF
2001 Microchip Technology Inc.
program branches which are two-cycle
data and instructions
calibration (independent from transmitter quartz
crystal reference)
programmable prescaler
oscillator for reliable operation
- INTRC: Internal 4 MHz RC oscillator
- EXTRC: External low-cost RC oscillator
- XT:
- LP:
8-Bit CMOS Microcontroller with UHF ASK/FSK Transmitter
Device
Standard crystal/resonator
Power saving, low frequency crystal
1024 x 12
1024 x 12
Program
DC - 1 s instruction cycle
EPROM
Memory
RAM
Data
41
41
Transmitter
rfPIC12C509AG/509AF
ASK/FSK
ASK
Preliminary
Pin Diagram
UHF ASK/FSK Transmitter:
• Conforms to US FCC Part 15.231 regulations and
• VCO phase locked to quartz crystal reference;
• Integrated crystal oscillator and VCO requiring
• Crystal frequency divide by 4 available (CLKOUT)
• Frequency range set by crystal: 310 – 480 MHz
• ASK Data rate: 0 – 40 Kbps
• FSK through crystal pulling allows modulation at
• Adjustable output power: +2 dBm to -12 dBm in
• Differential output configurable for single or
• Power amplifier automatically disabled until after
European ERC 70-03E and EN 300 220-1
requirements
allows narrow band receivers to be used to maxi-
mize range and interference immunity
minimum of external components
0 – 20 Kbps
six discrete steps
double ended loop antenna
PLL lock
GP5/OSC1/CLKIN
GP5/OSC1/CLKIN
GP3/MCLR/V
GP3/MCLR/V
SOIC
SSOP
PS/DATA
PS/DATA
GP4/OSC2
GP4/OSC2
CLKOUT
CLKOUT
RFEN
RFEN
V
V
ANT2
ANT2
XTAL
DDRF
DDRF
V
V
ASK
ASK
DD
DD
PP
PP
IN
IN
•1
•1
10
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
10
20
19
18
17
16
15
14
13
12
11
11
DS70031A-page 1
GP0
V
GP0
GP1
GP2/T0CKI
FSK
DATA
LF
NC
V
ANT1
V
GP1
GP2/T0CKI
XTAL
LF
NC
V
ANT1
SS
SS
SSRF
SSRF
OUT
FSK
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