Recover MCU PIC16F627A Dump
Unstand the CPU structure can help us better and faster Recover MCU PIC16F627A Dump from its memory:
High Performance RISC CPU:
Operating speeds from DC – 20 MHz when recover mcu
Interrupt capability
8-level deep hardware stack
Direct, Indirect and Relative Addressing modes 35 single word instructions
– All instructions single cycle except branches Special Microcontroller Features:
· Internal and external oscillator options
– Precision Internal 4 MHz oscillator factory calibrated to ±1%
– Low Power Internal 37 kHz oscillator
– External Oscillator support for crystals and resonators
· Power saving SLEEP mode
· Programmable weak pull-ups on PORTB
· Multiplexed Master Clear/Input-pin
· Watchdog Timer with independent oscillator for reliable operation
· Low voltage programming
· In-Circuit Serial Programming™ (via two pins)
· Programmable code protection
· Brown-out Reset
· Power-on Reset if recover mcu
· Power-up Timer and Oscillator Start-up Timer
· Wide operating voltage range. (2.0 – 5.5V)
· Industrial and extended temperature range
· High Endurance FLASH/EEPROM Cell
– 100,000 write FLASH endurance
– 1,000,000 write EEPROM endurance
– 100 year data retention
Low Power Features:
· Standby Current:
– 100 nA @ 2.0V, typical
· Operating Current:
– 12 µA @ 32 kHz, 2.0V, typical
– 120 µA @ 1 MHz, 2.0V, typical
· Watchdog Timer Current
– 1 µA @ 2.0V, typical
· Timer1 oscillator current:
– 1.2 µA @ 32 kHz, 2.0V, typical
· Dual Speed Internal Oscillator:
– Run-time selectable between 4 MHz and 37 kHz
– 4 µs wake-up from SLEEP, 3.0V
Peripheral Features:
· 16 I/O pins with individual direction control
· High current sink/source for direct LED drive
· Analog comparator module with:
– Two analog comparators
– Programmable on-chip voltage reference (VREF) module
– Selectable internal or external reference
– Comparator outputs are externally accessible
· Timer0: 8-bit timer/counter with 8-bit programmable prescaler
· Timer1: 16-bit timer/counter with external crystal/clock capability
· Timer2: 8-bit timer/counter with 8-bit period register, prescaler and postscaler
· Capture, Compare, PWM module
– 16-bit Capture/Compare
– 10-bit PWM
· Addressable Universal Synchronous/Asynchronous Receiver/Transmitter USART/SCI