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See Technical Specifications

ATMEGA48-20AU +BOM

ATMEGA48-20AU is an 8-bit microcontroller with 4kB Flash and 0.256kB EEPROM, featuring 23 I/O pins

Manufacturer:

Microchip
Mfr.Part #:

ATMEGA48-20AU
Datasheet:

ATMEGA48-20AU Datasheet (PDF)
Core:

AVR
Program Memory Size:

4 kB
Data RAM Size:

512 B
Maximum Clock Frequency:

20 MHz
EDA/CAD Models:

Request Free CAD Models for ATMEGA48-20AU

ATMEGA48-20AU General Description

The ATMEGA48-20AU microcontroller by Atmel Corporation is a reliable and versatile solution for a wide range of electronic applications. With its high performance and low power consumption, it is well-suited for battery-powered devices. The extensive connectivity options, security features, and wide operating voltage range make it an attractive choice for engineers and developers working on industrial control, consumer electronics, automotive systems, and communication devices. With the ATMEGA48-20AU, designers can benefit from a feature-rich microcontroller that offers both power and efficiency in a compact package

Key Features

High Performance, Low Power Atmel®AVR® 8-Bit Microcontroller Family 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 20MHz– On-chip 2-cycle Multiplier High Endurance Non-volatile Memory Segments– 4K/8K/16KBytes of In-System Self-Programmable Flash program Memory– 256/512/512Bytes EEPROM– 512/1K/1KBytes 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 Atmel® QTouch® Library Support– Capacitive Touch Buttons, Sliders and Wheels– QTouch and QMatrix® Acquisition– Up to 64 sense channels 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 Mode– 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– Two Master/Slave SPI Serial Interface– One Programmable Serial USART– One Byte-oriented 2-wire Serial Interface (Philips I2C compatible)– Programmable Watchdog Timer with Separate On-chip Oscillator– One 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:– 2.7 - 5.5V for ATmega48/88/168– 1.8 - 5.5V for ATmega48V/88V/168V Temperature Range:– -40°C to 85°C Speed Grade:– ATmega48/88/168: 0 - 10MHz @ 2.7V - 5.5V, 0 - 20MHz @ 4.5V - 5.5V– ATmega48V/88V/168V: 0 - 4MHz @ 1.8V - 5.5V, 0 - 10MHz @ 2.7V - 5.5V Power Consumption at 1MHz, 1.8V, 25°C– Active Mode: 0.3mA– Power-down Mode: 0.1μA– Power-save Mode: 0.8μA (Including 32kHz RTC)

Specifications

Product Category	8-bit Microcontrollers - MCU	Core	AVR
Program Memory Size	4 kB	Data RAM Size	512 B
Maximum Clock Frequency	20 MHz	ADC Resolution	10 bit
Number of I/Os	23 I/O	Supply Voltage - Min	2.7 V
Supply Voltage - Max	5.5 V	Mounting Style	SMD/SMT
Data Bus Width	8 bit	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C	Series	ATmega48
Packaging	[ "Tray" ]	Analog Supply Voltage	1.8 V to 5.5 V
DAC Resolution	-	Data RAM Type	SRAM
Data ROM Size	512 B	Data ROM Type	EEPROM
Height	1 mm	I/O Voltage	1.8 V to 5.5 V
Interface Type	I2C, SPI, USART	Length	7 mm
Moisture Sensitive	Yes	Number of ADC Channels	8 Channel
Number of Timers/Counters	3 Timer	Processor Series	megaAVR
Product	MCUs	Product Type	8-bit Microcontrollers - MCU
Program Memory Type	Flash	Factory Pack Quantity	250
Subcategory	Microcontrollers - MCU	Tradename	AVR
Watchdog Timers	Watchdog Timer	Width	7 mm
Unit Weight	0.011288 oz