PCB抄板行业的新秀：易博抄板工作室。我们这里可为您提供优质PCB抄板，PCB设计，芯片解密，PCB改板，IC解密，SMT贴片等服务以及PCB行业相关信息，选择PCB原理图设计，BOM制作等。
下面是有关rfPIC12F675芯片的主要功能特征介绍，供客户及技术工程师在芯片解密项目及技术实现过程中进行技术参考和借鉴。
– 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
– • 5 μs 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
– • 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
– Applications:
– • Automotive Remote Keyless Entry (RKE) systems
– • Automotive alarm systems
– • Community gate and garage door openers
– • Burglar alarm systems
– • Building access
– • Low power telemetry
– • Meter reading
– • Tire pressure sensors
– • Wireless sensors
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