Archive for May, 2000

PostHeaderIcon Recover IC PIC16F873 Heximal

recover-ic-pic16f873-heximal

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

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

PostHeaderIcon Copy MCU PIC18F4685 Software

Copy MCU PIC18F4685 software inside microcontroller PIC18F4685

Copy MCU PIC18F4685 software inside microcontroller PIC18F4685

Copy MCU PIC18F4685 software inside microcontroller PIC18F4685 flash memory, decapsulate silicon package of microcontroller and get its fuse bit exposed, so MCU cracking technique will be able to reset the bit and readout the firmware from Microcontroller;

Power-Managed Modes:

Peripheral Highlights:

Run: CPU on, peripherals on

Idle: CPU off, peripherals on

Sleep: CPU off, peripherals off

Idle mode currents down to 5.8 ìA typical

Sleep mode currents down to 0.1 ìA typical

Timer1 Oscillator: 1.1 ìA, 32 kHz, 2V

Watchdog Timer: 2.1 ìA

Two-Speed Oscillator Start-up

unlock encrypted mcu pic18f4685 fuse and copy firmware program file as heximal to new microcontroller

unlock encrypted mcu pic18f4685 fuse and copy firmware program file as heximal to new microcontroller

High-Current Sink/source 25 mA/25 mA

Three External Interrupts

One Capture/Compare/PWM (CCP1) module

Enhanced Capture/Compare/PWM (ECCP1) module

(40/44-pin devices only):

– One, two or four PWM outputs

– Selectable polarity

– Programmable dead time

 

Flexible Oscillator Structure:

· Four Crystal modes, up to 40 MHz

· 4x Phase Lock Loop (PLL) – available for crystal and internal oscillators

· Two External RC modes, up to 4 MHz

· Two External Clock modes, up to 40 MHz

· Internal Oscillator Block:

– 8 user-selectable frequencies, from 31 kHz to 8 MHz

– Provides a complete range of clock speeds,

from 31 kHz to 32 MHz when used with PLL

– User-tunable to compensate for frequency drift

· Secondary Oscillator using Timer1 @ 32 kHz

· Fail-Safe Clock Monitor

– Allows for safe shutdown if peripheral clock stops

– Auto-shutdown and auto-restart

Master Synchronous Serial Port (MSSP) module supporting 3-Wire SPI (all 4 modes) and I2C™

Master and Slave modes

Enhanced Addressable USART module:

– Supports RS-485, RS-232 and LIN 1.3

– RS-232 operation using internal oscillator block (no external crystal required)

– Auto-wake-up on Start bit

– Auto-Baud Detect

10-Bit, up to 11-Channel Analog-to-Digital

Converter module (A/D), up to 100 ksps:

– Auto-acquisition capability

– Conversion available during Sleep

Dual Analog Comparators with Input Multiplexing

 

Special Microcontroller Features:

· C compiler Optimized Architecture with optional

Extended Instruction Set

· 100,000 Erase/Write Cycle Enhanced Flash

Program Memory typical

· 1,000,000 Erase/Write Cycle Data EEPROM

Memory typical

· Flash/Data EEPROM Retention: > 40 years

· Self-Programmable under Software Control

· Priority Levels for Interrupts

· 8 x 8 Single-Cycle Hardware Multiplier

· Extended Watchdog Timer (WDT):

– Programmable period from 41 ms to 131s

· Single-Supply 5V In-Circuit Serial

Programming™ (ICSP™) via two pins

· In-Circuit Debug (ICD) via two pins

· Wide operating voltage range: 2.0V to 5.5V

ECAN Module Features:

· Message bit rates up to 1 Mbps

· Conforms to CAN 2.0B ACTIVE Specification

· Fully Backward Compatible with PIC18XXX8 CAN modules

· Three Modes of Operation:

– Legacy, Enhanced Legacy, FIFO

· Three Dedicated Transmit Buffers with Prioritization

· Two Dedicated Receive Buffers

· Six Programmable Receive/Transmit Buffers

· Three Full, 29-Bit Acceptance Masks

· 16 Full, 29-Bit Acceptance Filters w/Dynamic Association

· DeviceNet™ Data Byte Filter Support

· Automatic Remote Frame Handling

· Advanced Error Management Features