8-bit AVR microcontroller featuring 4KB FLASH memory and 512B RAM. Operates at up to 20MHz with 23 programmable I/Os and supports I2C, SPI, and UART interfaces. Includes 3 timers/counters, watchdog timer, and peripherals like POR and PWM. Packaged in a 32-pin TQFP for surface mounting, with an operating temperature range of -40°C to 85°C.
Frequency20MHz
PackageTQFP
MountingSurface Mount
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Technical Specifications
Microchip ATMEGA48-20AJ technical specifications.
General
Access Time
20us
Package/Case
TQFP
Core Architecture
AVR
Data Bus Width
8b
Interface
I2C, SPI, UART, USART
Lead Free
Lead Free
Max Frequency
20MHz
Max Operating Temperature
85°C
Memory Size
4KB
Memory Type
FLASH,
Min Operating Temperature
-40°C
Mount
Surface Mount
Number of I/Os
23
Number of Programmable I/O
23
Number of Timers/Counters
3
Oscillator Type
Internal
Package Quantity
250
Packaging
Tray
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Radiation Hardening
No
RAM Size
512B
RoHS Compliant
Yes
Series
AVR® ATmega
Watchdog Timer
Yes
Compliance
RoHS
Compliant
Datasheet
Microchip ATMEGA48-20AJ Datasheet
Download the complete datasheet for Microchip ATMEGA48-20AJ to view detailed technical specifications.
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