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ATMEGA48PA-MU
+BOMIC MCU 8BIT 4KB FLASH 32VQFN
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ManufacturerAtmel
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Mfr. Part #ATMEGA48PA-MU
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Datasheet ATMEGA48PA-MU DataSheet
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Package QFN-32
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In Stock5983
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Specifications
| Attribute | Value |
| Package / Case | Bulk |
| Series | AVR® ATmega |
| Part Status | Active |
| 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) |
| Mounting Type | Surface Mount |
Overview
Description
Key specs:
- Clock speed: Up to 20MHz
- I/O pins: 23 programmable
- Peripherals: 10-bit ADC, USART, SPI, I²C, timers, PWM
- Packaging: 32-pad QFN (5x5mm)
Notable for its power efficiency (1.8–5.5V operation) and robust performance, it’s ideal for cost-sensitive, compact designs like sensors, IoT devices, and industrial controls.
Equivalent
- ATMEGA48PA-AU (TQFP package)
- ATMEGA48P-MU (slightly older revision)
- ATMEGA88PA-MU (higher flash memory)
- ATMEGA168PA-MU (double the flash/RAM)
- ATTINY48-MU (lower-cost alternative with fewer features).
All are 8-bit AVR microcontrollers with similar pinouts and peripherals, varying in memory, package, or minor revisions. Check datasheets for exact compatibility.
Features
- Core: 8-bit AVR, up to 20 MHz clock speed.
- Memory: 4 KB Flash, 512 B SRAM, 256 B EEPROM.
- I/O Pins: 23 programmable I/O lines.
- Peripherals:
- 6-channel 10-bit ADC
- 3 timers (2x 8-bit, 1x 16-bit)
- USART, SPI, I²C (TWI)
- Watchdog timer, analog comparator
- Power: 1.8V–5.5V operation, low-power modes.
- Package: 32-pad QFN (5x5mm).
- Debugging: On-chip debugWIRE interface.
Ideal for embedded control, IoT, and low-power applications.
Pinout
- 32 pins (28 usable I/O pins)
- 8-bit AVR architecture
- 4KB Flash, 512B SRAM, 256B EEPROM
- 23 programmable I/O lines (Ports B, C, D)
- 6-channel 10-bit ADC
- 3 timers/counters (2x 8-bit, 1x 16-bit)
- USART, SPI, I²C interfaces
- Internal 8MHz oscillator (adjustable)
- Operating voltage: 1.8V–5.5V
Compact and versatile, it suits embedded applications requiring low power and moderate processing.
Manufacturer
Microchip, founded in 1989 and headquartered in Chandler, Arizona, specializes in embedded control systems, serving industries like automotive, industrial, consumer electronics, and IoT. It acquired Atmel in 2016, inheriting the popular ATmega series, including the ATMEGA48PA-MU, an 8-bit AVR microcontroller.
The company is recognized for reliability, innovation, and a broad product portfolio, making it a key player in the semiconductor market.
Application
- Consumer Electronics: Remote controls, smart home devices.
- Industrial Control: Sensors, motor control, automation systems.
- Automotive: Dashboard displays, lighting control.
- IoT Devices: Low-power sensor nodes, wearable tech.
- Hobbyist Projects: Arduino-compatible designs, DIY electronics.
Its features (low power, 4KB Flash, 512B RAM, 12MHz speed) make it ideal for cost-sensitive, compact designs requiring reliable performance.
