Overview
The ATmega64A-AU, produced by Microchip Technology, is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. This microcontroller is designed to balance power consumption and processing speed, achieving throughputs close to 1 MIPS per MHz. It is particularly suited for applications requiring high performance and low power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Program Memory Size | 64 KB (In-System Self-programmable Flash) |
| RAM | 4 KB (Internal SRAM) |
| Data EEPROM | 2 KB |
| Pin Count | 64 |
| Operation Voltage Max. | 5.5 V |
| Operation Voltage Min. | 2.7 V |
| ADC Resolution Max. | 10-bit (8-channel) |
| Package Type | 64-lead, Thin (1.0mm) Plastic Gull Wing Quad Flat Package (TQFP) |
| Operating Temperature Range | -40°C to 85°C (Industrial), -40°C to 105°C (Extended) |
Key Features
- High-performance, Low-power Atmel AVR 8-bit Microcontroller
- Advanced RISC Architecture with 130 powerful instructions, most executed in a single clock cycle
- 32 x 8 General Purpose Working Registers + Peripheral Control Registers
- Fully Static Operation with up to 16 MIPS Throughput at 16 MHz
- On-chip 2-cycle Multiplier
- High Endurance Non-volatile Memory segments: 64 KB Flash, 2 KB EEPROM, 4 KB SRAM
- True Read-While-Write Operation and Programming Lock for Software Security
- SPI Interface for In-System Programming and JTAG (IEEE std. 1149.1 Compliant) Interface
- Atmel QTouch library support for capacitive touch buttons, sliders, and wheels
- Peripheral Features: Two 8-bit Timer/Counters, Two Expanded 16-bit Timer/Counters, Real Time Counter (RTC), two USARTs, byte-oriented Two-wire Serial Interface, 8-channel 10-bit ADC
- Six software selectable power saving modes
Applications
- Industrial Automation and Control Systems
- Consumer Electronics: Remote Controls, Toys, and Appliances
- Automotive Systems: Dashboard Displays, Anti-lock Braking Systems (ABS), and Engine Control Units (ECUs)
- Medical Devices: Portable Health Monitors, Diagnostic Equipment
- Wireless and Wired Communication Devices: Modems, Routers, and Gateways
- Smart Home Devices: Thermostats, Security Systems, and Lighting Control
Q & A
- What is the program memory size of the ATmega64A-AU?
The program memory size is 64 KB of In-System Self-programmable Flash.
- What is the maximum operating voltage for the ATmega64A-AU?
The maximum operating voltage is 5.5 V.
- What type of package does the ATmega64A-AU come in?
The ATmega64A-AU comes in a 64-lead, Thin (1.0mm) Plastic Gull Wing Quad Flat Package (TQFP).
- Does the ATmega64A-AU support capacitive touch interfaces?
Yes, it supports capacitive touch buttons, sliders, and wheels through the Atmel QTouch library.
- What is the ADC resolution of the ATmega64A-AU?
The ADC resolution is 10-bit with an 8-channel ADC.
- What are the power saving modes available on the ATmega64A-AU?
There are six software selectable power saving modes.
- Is the ATmega64A-AU RoHS compliant?
Yes, the ATmega64A-AU is RoHS compliant and also halide-free and fully green.
- What is the maximum throughput of the ATmega64A-AU at 16 MHz?
The maximum throughput is up to 16 MIPS at 16 MHz.
- Does the ATmega64A-AU support JTAG interface?
Yes, it supports a JTAG (IEEE std. 1149.1 Compliant) interface for debugging and programming.
- What is the data retention period for the EEPROM at 25°C?
The data retention period for the EEPROM is 100 years at 25°C.
