Atmel ATMEGA48A-AU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.76 | $1.76 |
| 15+ | $1.70 | $25.50 |
| 25+ | $1.67 | $41.75 |
| 50+ | $1.57 | $78.50 |
| 100+ | $1.39 | $139.00 |
| N+ | $0.28 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Atmel |
| Product Series | AVR® ATmega |
| Packaging | Bulk | |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 23 |
| Program Memory Size | 4KB (2K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 256 x 8 |
| RAM Size | 512 x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 32-TQFP (7x7) |
| Package / Case | 32-TQFP |
| ROHS |  |
The ATMEGA48A-AU is an 8-bit AVR microcontroller from Microchip, offering a cost-effective solution for basic embedded control. It features 4 KB Flash, 512 bytes RAM, and operates at up to 20 MHz. With a supply range of 1.8V to 5.5V, it fits into both low-power and standard logic designs. The 32-TQFP package provides a compact footprint for space-constrained PCBs.
- Wide voltage compatibility: 1.8V to 5.5V allows direct interfacing with both 3.3V sensors and 5V actuators.
- Low power consumption: Multiple sleep modes extend battery life in portable applications.
- Cost-effective: Small memory and package size reduce unit cost for high-volume production.
- Proven architecture: AVR core with extensive community and toolchain support.
LED Lighting Controller
With 20 MHz speed and PWM channels, it can generate smooth dimming curves for RGB LED strips in smart lighting.
Battery Management System
Its 1.8V operation and low-power sleep modes allow it to monitor cell voltage in portable devices without draining the battery.
Sensor Node
The 512 bytes of RAM and 4 KB Flash are sufficient for reading temperature or humidity sensors and transmitting data over I2C/SPI.
Small Appliance Timer
With a WDT and brown-out detection, it can reliably control timing sequences in coffee makers or microwave ovens.
Educational Robotics Kit
The DIP-compatible TQFP package and simple AVR instruction set make it ideal for hobbyist motor and servo control.
Signal Conditioning
Its analog comparator and ADC can pre-process analog signals before sending to a host processor.
- Q: What is the core architecture of ATMEGA48A-AU?
- A: It uses the 8-bit AVR core, running at up to 20 MHz.
- Q: How much Flash memory does it have?
- A: It provides 4 KB of in-system programmable Flash (2K x 16 words).
- Q: What is the operating voltage range?
- A: It operates from 1.8V to 5.5V, making it compatible with both 3.3V and 5V systems.
- Q: What package is this variant?
- A: It comes in a 32-TQFP package, suitable for surface-mount assembly.
- Q: Does it include PWM and WDT?
- A: Yes, it has multiple PWM channels and a watchdog timer for reliable operation.
ATMEGA48A-AU.pdf
- Q: What is the core architecture of ATMEGA48A-AU?
- A: It uses the 8-bit AVR core, running at up to 20 MHz.
- Q: How much Flash memory does it have?
- A: It provides 4 KB of in-system programmable Flash (2K x 16 words).
- Q: What is the operating voltage range?
- A: It operates from 1.8V to 5.5V, making it compatible with both 3.3V and 5V systems.
- Q: What package is this variant?
- A: It comes in a 32-TQFP package, suitable for surface-mount assembly.
- Q: Does it include PWM and WDT?
- A: Yes, it has multiple PWM channels and a watchdog timer for reliable operation.
