Unlock ATMEL MCU ATMEGA48A Firmware

We can Unlock Microcontroller ATMEGA48A 8-bit Microcontroller with 4/8/16/32K Bytes In-System Programmable Flash, please view the IC chip features for your reference:


· High Performance, Low Power AVR 8-Bit Microcontroller

· Advanced RISC Architecture

– 131 Powerful Instructions – Most Single Clock Cycle Execution

– 32 x 8 General Purpose Working Registers

– Fully Static Operation

Up to 20 MIPS Throughput at 20 MHz

– On-chip 2-cycle Multiplier

High Endurance Non-volatile Memory Segments


– 4/8/16/32K Bytes of In-System Self-Programmable Flash program memory

256/512/512/1K Bytes EEPROM

– 512/1K/1K/2K Bytes Internal SRAM

– Write/Erase Cycles: 10,000 Flash/100,000 EEPROM

– Data retention: 20 years at 85°C/100 years at 25°C(1)

– Optional Boot Code Section with Independent Lock Bits

In-System Programming by On-chip Boot Program

True Read-While-Write Operation

– Programming Lock for Software Security


Peripheral Features

Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode

– One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture


– Real Time Counter with Separate Oscillator

– Six PWM Channels

8-channel 10-bit ADC in TQFP and QFN/MLF package

Temperature Measurement

– 6-channel 10-bit ADC in PDIP Package

Temperature Measurement

– Programmable Serial USART

– Master/Slave SPI Serial Interface

– Byte-oriented 2-wire Serial Interface (Philips I2C compatible)

– Programmable Watchdog Timer with Separate On-chip Oscillator

– On-chip Analog Comparator

Interrupt and Wake-up on Pin Change

Special Microcontroller Features

– Power-on Reset and Programmable Brown-out Detection

– Internal Calibrated Oscillator

External and Internal Interrupt Sources

– Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby,

and Extended Standby

I/O and Packages

– 23 Programmable I/O Lines

– 28-pin PDIP, 32-lead TQFP, 28-pad QFN/MLF and 32-pad QFN/MLF

Operating Voltage:

– 1.8 – 5.5V

Temperature Range:

– -40°C to 85°C

Speed Grade:

0 – 4 MHz@1.8 – 5.5V, 0 – 10 MHz@2.7 – 5.5.V, 0 – 20 MHz @ 4.5 – 5.5V

Power Consumption at 1 MHz, 1.8V, 25°C



– Active Mode: 0.2 mA

– Power-down Mode: 0.1 µA

– Power-save Mode: 0.75 µA (Including 32 kHz RTC)

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