Overview
The ATMEGA48PA-AUR is a high-performance, low-power 8-bit AVR RISC-based microcontroller from Microchip Technology. It is part of the Atmel AVR microcontroller family and is known for its advanced RISC architecture, high endurance non-volatile memory segments, and various peripheral features. This microcontroller is designed to provide a balance between processing power and low power consumption, making it suitable for a wide range of applications.
Key Specifications
| Specification | Details |
|---|---|
| Flash Memory | 4KB In-System Self-Programmable Flash |
| EEPROM | 256 Bytes |
| SRAM | 512 Bytes |
| Operating Voltage | 1.8 - 5.5V |
| Temperature Range | -40°C to 85°C |
| Speed Grade | Up to 20MHz at 4.5 - 5.5V |
| Power Consumption (Active Mode) | 0.2mA at 1MHz, 1.8V, 25°C |
| Power Consumption (Power-down Mode) | 0.1µA |
| Power Consumption (Power-save Mode) | 0.75µA (including 32kHz RTC) |
| General Purpose I/O Lines | 23 Programmable I/O Lines |
| Packages | 28-pin PDIP, 32-lead TQFP, 28-pad QFN/MLF, 32-pad QFN/MLF |
Key Features
- Advanced RISC Architecture with 131 powerful instructions and most single clock cycle execution.
- 32 x 8 general purpose working registers and fully static operation.
- Up to 20 MIPS throughput at 20MHz and on-chip 2-cycle multiplier.
- High endurance non-volatile memory segments with 10,000 flash and 100,000 EEPROM write/erase cycles.
- Data retention of 20 years at 85°C and 100 years at 25°C.
- Optional boot code section with independent lock bits and in-system programming by on-chip boot program.
- True read-while-write operation and programming lock for software security.
- Atmel QTouch library support for capacitive touch buttons, sliders, and wheels.
- Peripheral features include two 8-bit timer/counters, one 16-bit timer/counter, real-time counter, six PWM channels, and an 8-channel 10-bit ADC.
- Programmable serial USART, master/slave SPI serial interface, byte-oriented 2-wire serial interface (Philips I2C compatible), and programmable watchdog timer with separate on-chip oscillator.
- On-chip analog comparator and interrupt and wake-up on pin change.
- Special microcontroller features include power-on reset, programmable brown-out detection, internal calibrated oscillator, and six sleep modes.
Applications
The ATMEGA48PA-AUR microcontroller is versatile and can be used in a variety of applications, including:
- Automotive systems: Due to its robustness and wide operating temperature range, it is suitable for automotive control systems.
- Industrial automation: It can be used in industrial control systems, sensors, and actuators.
- Consumer electronics: Suitable for various consumer electronic devices requiring low power consumption and high performance.
- Medical devices: Can be used in medical devices that require precise control and low power consumption.
- IoT devices: Ideal for Internet of Things (IoT) applications that need efficient processing and low power usage.
Q & A
- What is the flash memory capacity of the ATMEGA48PA-AUR?
The ATMEGA48PA-AUR has 4KB of in-system self-programmable flash memory. - What is the operating voltage range of the ATMEGA48PA-AUR?
The operating voltage range is 1.8 - 5.5V. - What are the different package options available for the ATMEGA48PA-AUR?
The ATMEGA48PA-AUR is available in 28-pin PDIP, 32-lead TQFP, 28-pad QFN/MLF, and 32-pad QFN/MLF packages. - What is the maximum throughput of the ATMEGA48PA-AUR?
The maximum throughput is up to 20 MIPS at 20MHz. - Does the ATMEGA48PA-AUR support capacitive touch functionality?
Yes, it supports capacitive touch buttons, sliders, and wheels through the Atmel QTouch library. - What are the power consumption figures for the ATMEGA48PA-AUR in different modes?
Active Mode: 0.2mA at 1MHz, 1.8V, 25°C; Power-down Mode: 0.1µA; Power-save Mode: 0.75µA (including 32kHz RTC). - How many general purpose I/O lines does the ATMEGA48PA-AUR have?
The ATMEGA48PA-AUR has 23 programmable I/O lines. - What is the temperature range for the ATMEGA48PA-AUR?
The temperature range is -40°C to 85°C. - Does the ATMEGA48PA-AUR have any sleep modes?
Yes, it has six sleep modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby. - What is the data retention period for the ATMEGA48PA-AUR's non-volatile memory?
The data retention period is 20 years at 85°C and 100 years at 25°C.
