RFPIC12C509AF datasheet(3/104 Pages) MICROCHIP

3 / 104 page

Preliminary

DS70031A-page 1

rfPIC12C509AG/509AF

High-Performance RISC CPU:

• Only 33 single word instructions to learn

• All instructions are single cycle (1

µs) except for

program branches which are two-cycle

• Operating speed: DC - 4 MHz clock input

DC - 1

µs instruction cycle

• 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

data and instructions

• Internal 4 MHz RC oscillator with programmable

calibration (independent from transmitter quartz

crystal reference)

• In-Circuit Serial Programming™ (ICSP™)

Peripheral Features:

• 8-bit real time clock/counter (TMR0) with 8-bit

programmable prescaler

• Power-On Reset (POR)

• Device Reset Timer (DRT)

• Watchdog Timer (WDT) with its own on-chip RC

oscillator for reliable operation

• 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:

- INTRC: Internal 4 MHz RC oscillator

- EXTRC: External low-cost RC oscillator

- XT:

Standard crystal/resonator

- LP:

Power saving, low frequency crystal

Pin Diagram

UHF ASK/FSK Transmitter:

• Conforms to US FCC Part 15.231 regulations and

European ERC 70-03E and EN 300 220-1

requirements

• VCO phase locked to quartz crystal reference;

allows narrow band receivers to be used to maxi-

mize range and interference immunity

• Integrated crystal oscillator and VCO requiring

minimum of external components

• Crystal frequency divide by 4 available (CLKOUT)

• Frequency range set by crystal: 310 – 480 MHz

• ASK Data rate: 0 –40Kbps

• FSK through crystal pulling allows modulation at

0–20Kbps

• Adjustable output power: +2 dBm to -12 dBm in

six discrete steps

• Differential output configurable for single or

double ended loop antenna

• Power amplifier automatically disabled until after

PLL lock

Device

Memory

EPROM

Program

RAM

Data

Transmitter

rfPIC12C509AG

1024 x 12

ASK

rfPIC12C509AF

1024 x 12

ASK/FSK

SOIC

VSS

GP2/T0CKI

XTAL

GP1

VDD

GP5/OSC1/CLKIN

GP3/MCLR/VPP

RFENIN

CLKOUT

PS/DATAASK

VDDRF

GP4/OSC2

•1

GP0

ANT2

VSSRF

ANT1

SSOP

VSS

GP2/T0CKI

DATAFSK

GP1

VDD

GP5/OSC1/CLKIN

GP3/MCLR/VPP

RFENIN

CLKOUT

PS/DATAASK

VDDRF

GP4/OSC2

•1

GP0

VSSRF

ANT2

ANT1

FSKOUT

XTAL

8-Bit CMOS Microcontroller with UHF ASK/FSK Transmitter

RFPIC12C509AF Datasheet(PDF) 3 Page - Microchip Technology

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