Описание
The rfPIC12F675K devices pack Microchip"s powerful yet easy-to-program PICmicro microcontroller architecture and a 434 MHz ASK/FSK RF transmitter into a 20-pin package. In addition, it features a 4 channel 10-bit Analog-to-Digital (A/D) converter, one Comparator channel, and 128 bytes of EEPROM memory. The devices offer field re-programmability, small package outline, and low external component count to fit the most space-constrained applications
- High Performance RISC CPU:
- Only 35 instructions to learn
- All single cycle instructions except branches
- Operating speed:
- Precision Internal 4 MHz oscillator, factory calibrated to ±1%
- DC – 20 MHz Resonator/Crystal/Clock modes
- DC – 20 MHz crystal oscillator/clock input
- DC – 4 MHz external RC oscillator
- DC – 4 MHz XT crystal oscillator
- External Oscillator modes
- Interrupt capability
- 8-level deep hardware stack
- Direct, Indirect and Relative Addressing modes
- Peripheral Features:
- Memory
- 1024 x 14 words of FLASH program memory
- 128 x 8 bytes of EEPROM data memory
- 64 x 8 bytes of SRAM data memory
- 100,000 write FLASH endurance
- 1,000,000 write EEPROM endurance
- FLASH/data EEPROM retention: > 40 years
- Programmable code protection
- 6 I/O pins with individual direction control, weak pull-ups, and interrupt-on-pin change
- High current sink/source for direct LED drive
- Analog comparator: 16 internal reference levels
- Analog-to-Digital Converter: 10 bits, 4 channels
- Timer0: 8-bit timer/counter with 8-bit prescaler
- Timer1: 16-bit timer/counter with 3-bit prescaler
- Timer1 can use LP oscillator in INTOSC mode
- 5µs wake-up from SLEEP typical with VDD= 3V
- In-Circuit Serial ProgrammingTM(ICSPTM)
- Low Power Features:
- Low power consumption: (typical with VDD= 3V)
- 14 mA transmitting +6 dBm at 434 MHz
- 4 mA transmitting -15 dBm at 434 MHz
- 500µA, 4.0 MHz INTOSC-0.6µ A SLEEP with watchdog enabled -0.1µA standby current
- Wide operating voltage range from 2.0 – 5.5V
- Industrial and Extended temperature range UHF ASK/FSK Transmitter:
- Integrated crystal oscillator, VCO, loop filter and power amp for minimum external components
- ASK data rate: 0 – 40 Kbps
- FSK data rate: 0 – 40 Kbps by crystal pulling
- Output power: +10 dBm to -12 dBm in 4 steps
- Adjustable transmitter power consumption
- Transmit frequency set by crystal multiplied by 32
- VCO phase locked to quartz crystal reference; allows narrow band receivers to be used to maximize range and interference immunity
- Crystal frequency divide by 4 available (REFCLK)
- Used in applications conforming to US FCC Part 15.231 and European EN 300 220 regulations
