PIC12F508-E/SN

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1. Description

Microchip's PIC12F508-E/SN device The technology is low-cost, high-performance 8-bit, A fully static CMOS microcontroller based on flash memory. they Use only 33 words/ Single cycle instructions. All instructions are single Cycle (200μs), except for program branches Two cycles are required. PIC12F508 / 509 / 16F505 devices Provides performance that is an order of magnitude higher Their competitors are in the same price category. 12 bits The broad commands are highly symmetrical, resulting in Typical 2:1 code compression compared to other 8 bits Microcontroller in similar products. Easy to use Remember the instruction set can reduce development time obviously. Equipped with PIC12F508 / 509 / 16F505 products With special functions to reduce system cost Power requirements. Power-on reset (POR) and The device reset timer (DRT) eliminates the need for an external reset circuit. There are four oscillator configurations to choose from (six on the PIC16F505), including: INTRC internal oscillator mode and power saving mode LP (low power) oscillator mode. Power saving sleep Mode, watchdog timer and code protection function Improve system cost, power consumption and reliability. PIC12F508/509/16F505 devices can be used Cost-effective Flash programmable version, Suitable for any quantity of production. customer Can take full advantage of Microchip's price advantage In the Flash programmable microcontroller, and Benefit from the flexibility of Flash programmable. Support PIC12F508 / 509 / 16F505 products By the fully functional macro assembler, software simulator, online simulator, "C" compiler, low cost Development programmers and full-featured programmers. All tools are supported on IBM®PC, and Compatible machines.

2. Application field

PIC12F508-E/SN device is suitable for application From personal care appliances to safety System to low power remote transmitter/receiver. Flash technology makes custom applications possible Program (transmitter code, device settings, Receiver frequency, etc.). Small size package for through hole or Surface mount makes these microcontrollers perfect Suitable for applications with limited space. Low cost, low price Power, high performance, ease of use and I/O flexibility make PIC12F508/509/16F505 devices versatile, even in areas where no microcontroller is used It was considered before.

3. Pin Diagrams

4. Equipment included in the data sheet

    1. PIC12F508

    2. PIC12F509

    3. PIC16F505

5. High-performance RISC CPU

    1. Only need 33 words to learn

    2. All single-cycle instructions except programs Branch, two cycles

    3. 12-bit wide instructions

    4. Level 2 deep hardware stack

    5. Direct, indirect and relative addressing modes For data and description

    6. 8-bit wide data path

    7. 8 special function hardware registers

    8. Speed of work:

        - DC – 20 MHz clock input (PIC16F505 only)

        - DC – 200 ns instruction cycle (PIC16F505 as long as)

        - DC – 4 MHz clock input

        - DC – 1000 ns instruction cycle

6. Special microprocessor function

    1. 4 MHz precision internal oscillator:

        - Factory calibration to ±1%

    2. In-Circuit Serial Programming™ (ICSP™)

    3. On-line debugging (ICD) support

    4. Power-on reset (POR)

    5. Device Reset Timer (DRT)

    6. With dedicated on-chip watchdog timer (WDT) RC oscillator to ensure reliable operation

    7. Programmable code protection

    8. Multiple MCLR input pins

    9. Internal weak pull-up on I/O pins

  10. Power saving sleep mode

  11. Wake up from sleep when the pin changes

  12. Optional oscillator options:

        - INTRC: 4 MHz precision internal oscillator

        - EXTRC: external low-cost RC oscillator

        - XT: Standard crystal/resonator

        - HS: High-speed crystal/resonator (PIC16F505 only)

        - LP: Low-frequency crystal for power saving

        - EC: High-speed external clock input (PIC16F505 only)

7. Low power consumption function / CMOS technology

    1. Working current:

        - <175μA@ 2V, 4 MHz, typical

    2. stand-by current: Typical value is 100 nA @ 2V

    3. Low power consumption, high-speed flash memory technology:

        - 100,000 battery life

        - Retained for more than 40 years

    4. Fully static design

    6. Wide operating voltage range: 2.0V to 5.5V

    7. Wide temperature range:

        - Industrial: -40°C to +85°C

        - Extended: -40°C to +125°C

8. Peripheral functions (PIC12F508/509)

    1. 6 I/O pins:

        - 5 I/O pins with independent direction control

        - Only 1 input pin

        - High current sink/source for direct LED drive

        - Change wake up

        - Weak pull-ups

    2. 8-bit real-time clock/counter with 8 bits (TMR0) Programmable prescaler

9. Peripheral function (PIC16F505)

    1. 12 I/O pins:

        - 11 I/O pins with independent direction control

        - Only 1 input pin

        - High current sink/source for direct LED drive

        - Change wake up

        - Weak pull-ups

    2. 8-bit real-time clock/counter with 8 bits (TMR0) Programmable prescaler

10. Package overview