Recover IC PIC16F873 Heximal out from Microcontroller PIC16F873 secured memory, remove the protection over MCU PIC16F873 by Unlocking microcontroller security fuse bit, and readout the firmware from MCU flash memory;

Devices Included in this Data Sheet:

Analog Features:

· 10-bit, up to 8-channel Analog-to-Digital Converter (A/D)

· Brown-out Reset (BOR)

High-Performance RISC CPU:

· Only 35 single-word instructions to learn

· All single-cycle instructions except for program branches, which are two-cycle

· Operating speed: DC – 20 MHz clock input DC – 200 ns instruction cycle

· Up to 8K x 14 words of Flash Program Memory,

Up to 368 x 8 bytes of Data Memory (RAM),

Up to 256 x 8 bytes of EEPROM Data Memory

· Pinout compatible to other 28-pin or 40/44-pin PIC16CXXX and PIC16FXXX microcontrollers

Peripheral Features:

· Timer0: 8-bit timer/counter with 8-bit prescaler

decrypt locked mcu PIC16F873 flash memory and extract embedded firmware from flash memory

· Timer1: 16-bit timer/counter with prescaler, can be incremented during Sleep via external crystal/clock

· Timer2: 8-bit timer/counter with 8-bit period register, prescaler and postscaler

· Two Capture, Compare, PWM modules

– Capture is 16-bit, max. resolution is 12.5 ns

– Compare is 16-bit, max. resolution is 200 ns

– PWM max. resolution is 10-bit

· Synchronous Serial Port (SSP) with SPI™ (Master mode) and I2C™ (Master/Slave)

· Universal Synchronous Asynchronous Receiver Transmitter (USART/SCI) with 9-bit address detection

· Parallel Slave Port (PSP) – 8 bits wide with external RD, WR and CS controls (40/44-pin only)

· Brown-out detection circuitry for Brown-out Reset (BOR)

· Analog Comparator module with:

– Two analog comparators

– Programmable on-chip voltage reference (VREF) module

– Programmable input multiplexing from device inputs and internal voltage reference

– Comparator outputs are externally accessible

Special Microcontroller Features:

· 100,000 erase/write cycle Enhanced Flash program memory typical

· 1,000,000 erase/write cycle Data EEPROM memory typical

· Data EEPROM Retention > 40 years

· Self-reprogrammable under software control

· In-Circuit Serial Programming™ (ICSP™) via two pins

· Single-supply 5V In-Circuit Serial Programming

· Watchdog Timer (WDT) with its own on-chip RC oscillator for reliable operation

· Programmable code protection

· Power saving Sleep mode

· Selectable oscillator options

· In-Circuit Debug (ICD) via two pins CMOS Technology:

· Low-power, high-speed Flash/EEPROM technology

· Fully static design

· Wide operating voltage range (2.0V to 5.5V)

· Commercial and Industrial temperature ranges

· Low-power consumption

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