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PIC12C509 Datasheet(PDF) 4 Page - Microchip Technology |
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PIC12C509 Datasheet(HTML) 4 Page - Microchip Technology |
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4 / 113 page  PIC12C5XX DS40139E-page 4 © 1999 Microchip Technology Inc. 1.0 GENERAL DESCRIPTION The PIC12C5XX from Microchip Technology is a fam- ily of low-cost, high performance, 8-bit, fully static, EEPROM/EPROM/ROM-based CMOS microcontrol- lers. It employs a RISC architecture with only 33 sin- gle word/single cycle instructions. All instructions are single cycle (1 µs) except for program branches which take two cycles. The PIC12C5XX delivers per- formance an order of magnitude higher than its com- petitors in the same price category. The 12-bit wide instructions are highly symmetrical resulting in 2:1 code compression over other 8-bit microcontrollers in its class. The easy to use and easy to remember instruction set reduces development time signifi- cantly. The PIC12C5XX products are equipped with special features that reduce system cost and power require- ments. The Power-On Reset (POR) and Device Reset Timer (DRT) eliminate the need for external reset cir- cuitry. There are four oscillator configurations to choose from, including INTRC internal oscillator mode and the power-saving LP (Low Power) oscillator mode. Power saving SLEEP mode, Watchdog Timer and code protection features also improve system cost, power and reliability. The PIC12C5XX are available in the cost-effective One-Time-Programmable (OTP) versions which are suitable for production in any volume. The customer can take full advantage of Microchip’s price leadership in OTP microcontrollers while benefiting from the OTP’s flexibility. The PIC12C5XX products are supported by a full-fea- tured macro assembler, a software simulator, an in-cir- cuit emulator, a ‘C’ compiler, fuzzy logic support tools, a low-cost development programmer, and a full fea- tured programmer. All the tools are supported on IBM® PC and compatible machines. 1.1 Applications The PIC12C5XX series fits perfectly in applications ranging from personal care appliances and security systems to low-power remote transmitters/receivers. The EPROM technology makes customizing applica- tion programs (transmitter codes, appliance settings, receiver frequencies, etc.) extremely fast and conve- nient, while the EEPROM data memory technology allows for the changing of calibration factors and secu- rity codes. The small footprint packages, for through hole or surface mounting, make this microcontroller series perfect for applications with space limitations. Low-cost, low-power, high performance, ease of use and I/O flexibility make the PIC12C5XX series very ver- satile even in areas where no microcontroller use has been considered before (e.g., timer functions, replace- ment of “glue” logic and PLD’s in larger systems, copro- cessor applications). |
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