ATMEGA48A-MMH
- Mfr.Part #
- ATMEGA48A-MMH
- Manufacturer
- Microchip Technology
- Package / Case
- 28-VFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8BIT 4KB FLASH 28VQFN
- Stock
- 9,417
- In Stock :
- 9,417
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Reach Compliance Code :
- Compliant
- Number of ADC Channels :
- 8
- Package / Case :
- 28-VFQFN Exposed Pad
- Published :
- 1997
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Core Size :
- 8-Bit
- Minimum Operating Temperature :
- - 40 C
- ROM (words) :
- 2048
- Interfaces :
- SPI/USART
- Terminal Form :
- NO LEAD
- RoHS :
- Details
- Number of I/O Lines :
- 23
- Base Product Number :
- ATMEGA48
- Terminal Position :
- QUAD
- Factory Lead Time :
- 17 Weeks
- Package :
- Tray
- Power Supplies :
- 2/5 V
- RAM Size :
- 512 x 8
- Number of I/O :
- 23
- Manufacturer :
- Microchip
- Has ADC :
- yes
- Program Memory Size :
- 4KB 2K x 16
- Mounting Type :
- Surface Mount
- Interface :
- I2C, SPI, UART, USART
- Data Converter :
- A/D 8x10b
- Connectivity :
- I2C, SPI, UART/USART
- Oscillator Type :
- Internal
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- RAM (bytes) :
- 512
- JESD-609 Code :
- e4
- Packaging :
- Tray
- Number of Terminals :
- 28
- RoHS Status :
- ROHS3 Compliant
- Number of I2C Channels :
- 1
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Mount :
- Surface Mount
- Package Shape :
- Square
- Product Type :
- 8-bit Microcontrollers - MCU
- Length :
- 4.05mm
- PWM Channels :
- yes
- Number of I/Os :
- 23 I/O
- Base Part Number :
- ATMEGA48A
- Memory Size :
- 4kB
- Device Core :
- AVR
- Supply Current-Max :
- 12 mA
- Bit Size :
- 8
- Speed :
- 20MHz
- JESD-30 Code :
- S-PQCC-N28
- Number of Terminations :
- 28
- Data Converters :
- A/D 8x10b
- Frequency :
- 20MHz
- Additional Feature :
- ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ AND 1.8 V MINIMUM SUPPLY AT 4 MHZ
- Temperature Grade :
- Industrial
- Product Status :
- Active
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- Number of SPI Channels :
- 2
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- EEPROM Size :
- 256 x 8
- Supply Voltage :
- 5V
- Pbfree Code :
- yes
- Mounting Style :
- SMD/SMT
- Contact Plating :
- Tin
- Lead Free :
- Lead Free
- Interface Type :
- I2C, SPI, USART
- Width :
- 4.05mm
- Core Processor :
- AVR
- DMA Channels :
- No
- Surface Mount :
- yes
- Product Category :
- 8-bit Microcontrollers - MCU
- Terminal Pitch :
- 0.45mm
- Program Memory Type :
- Flash
- Series :
- AVR® ATmega
- Watchdog Timer :
- yes
- Number of Timers/Counters :
- 3
- CPU Family :
- AVR RISC
- Product :
- MCU
- Supply Voltage-Max (Vsup) :
- 5.5V
- Supply Voltage-Min (Vsup) :
- 4.5V
- Data Bus Width :
- 8B
- Seated Height-Max :
- 1 mm
- Maximum Operating Temperature :
- + 85 C
- Operating Temperature :
- -40°C~85°C TA
- Height :
- 950μm
- DAC Channels :
- No
- Tradename :
- AVR
- Number of Pins :
- 28
- ROM Programmability :
- Flash
- Brand :
- Microchip Technology / Atmel
- Qualification Status :
- Not Qualified
- Supplier Device Package :
- 28-VQFN (4x4)
- Number of PWM Channels :
- 6
- Datasheets
- ATMEGA48A-MMH
ATMEGA48A-MMH Documents

Microcontrollers Microchip Technology ATMEGA48A-MMH Overview
The Microcontrollers Microchip Technology ATMEGA48A-MMH is a high-performance, low-power AVR® MCU designed by Microchip Technology, tailored for advanced control applications. Integrating a robust 8-bit processor with 4KB of programmable flash memory, this microcontroller unit (MCU) offers a perfect blend of power efficiency and versatility. Its compact 28-VQFN package makes it ideal for space-constrained applications, while providing sufficient I/O options for interfacing with various peripherals and sensors. Designed for scalability and ease of integration, the ATMEGA48A-MMH is an excellent choice for developers looking to optimize their electronic designs with a reliable, cost-effective MCU solution.
ATMEGA48A-MMH Features
The ATMEGA48A-MMH microcontroller features a wide range of capabilities essential for modern electronic applications. It operates at a voltage ranging from 1.8V to 5.5V, offering flexibility in power-sensitive applications. With its 4KB of flash memory, 512 bytes of EEPROM, and 512 bytes of SRAM, it provides ample space for complex firmware developments and data storage. Additional features include a 10-bit analog-to-digital converter, multiple communication interfaces such as SPI, I2C, and USART, and various timers and PWM channels, all aimed at enhancing device functionality and reliability.
ATMEGA48A-MMH Applications
- Consumer Electronics: Utilized in smart home devices, the ATMEGA48A-MMH provides the processing power and connectivity options required to handle complex user interfaces and connectivity challenges.
- Automotive Applications: Ideal for automotive sensor applications, this MCU can manage data collection and actuator control, improving the reliability and performance of vehicle systems.
- Industrial Automation: In industrial environments, the ATMEGA48A-MMH drives automation processes, offering robust operation and interfacing capabilities essential for monitoring and controlling industrial machinery.
- Wearable Technology: Used in wearable devices, it supports advanced features like health monitoring and mobile notifications by efficiently managing power consumption and data processing tasks.
- Medical Devices: This MCU is suited for portable medical diagnostics equipment, where precision, reliability, and low power consumption are critical for accurate health monitoring and data logging.
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