規格
| 屬性 | 價值 |
| Package | Bulk |
| Series | AVR® ATmega |
| ProductStatus | Active |
| CoreProcessor | AVR |
| CoreSize | 8-Bit |
| Speed | 20MHz |
| Connectivity | I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| NumberofI/O | 23 |
| ProgramMemorySize | 4KB (2K x 16) |
| ProgramMemoryType | FLASH |
| EEPROMSize | 256 x 8 |
| RAMSize | 512 x 8 |
| Voltage-Supply(Vcc/Vdd) | 1.8V ~ 5.5V |
| DataConverters | A/D 8x10b |
| OscillatorType | Internal |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 32-VFQFN Exposed Pad |
概述
Description
The ATmega48PA-MU is a low-power, 8-bit AVR microcontroller from Microchip, based on the RISC architecture. It features 4KB Flash, 512B EEPROM, and 512B SRAM, making it suitable for embedded applications.
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.
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
Equivalent products to the ATMEGA48PA-MU include:
- 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.
- 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
The ATmega48PA-MU is an 8-bit AVR microcontroller with these key 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.
- 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
The ATMEGA48PA-MU is a 32-pin microcontroller in a QFN package. Key features include:
- 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.
- 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
The ATMEGA48PA-MU is manufactured by Microchip Technology, a leading American semiconductor company known for its microcontrollers, analog, and Flash-IP solutions.
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.
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
The ATmega48PA-MU is a versatile 8-bit microcontroller used in various embedded applications, including:
- 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.
- 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.
Package
The ATMEGA48PA-MU comes in a QFN (Quad Flat No-leads) package, specifically MLF (Micro Lead Frame) 32-pin. It measures 5mm x 5mm with a 0.5mm pitch. This compact, surface-mount package is ideal for space-constrained applications, offering good thermal and electrical performance. The "MU" suffix denotes the QFN/MLF package type.
