Overview
The ATmega32A, produced by Microchip Technology, is a high-performance, low-power 8-bit AVR microcontroller. It is part of the Atmel AVR family and is known for its advanced RISC architecture, which provides efficient and fast execution of instructions. This microcontroller is highly versatile and is widely used in various embedded control applications due to its robust feature set and cost-effectiveness.
Key Specifications
| Specification | Details |
|---|---|
| Program Memory | 32K bytes of In-System Programmable Flash with Read-While-Write capabilities |
| EEPROM | 1024 bytes |
| SRAM | 2K bytes |
| General Purpose I/O Lines | 32 programmable I/O lines |
| Working Registers | 32 general purpose working registers |
| Operating Voltage | 2.7 - 5.5V |
| Speed Grades | 0 - 16MHz |
| Power Consumption | Active: 0.6mA at 1 MHz, 3V, 25°C; Idle Mode: 0.2mA; Power-down Mode: < 1µA |
| Package Options | 40-pin PDIP, 44-lead TQFP, and 44-pad QFN/MLF |
| JTAG Interface | IEEE std. 1149.1 Compliant with Boundary-scan Capabilities |
Key Features
- Advanced RISC Architecture with 131 powerful instructions and most single-clock cycle execution
- High Endurance Non-volatile Memory: 32KBytes of In-System Self-programmable Flash, 1024Bytes EEPROM, and 2KByte Internal SRAM
- In-System Programming by On-chip Boot Program with True Read-While-Write Operation
- JTAG Interface for Boundary-scan and On-chip Debug Support
- Three flexible Timer/Counters with compare modes and Internal and External Interrupts
- Serial programmable USART, byte-oriented Two-wire Serial Interface, and SPI serial port
- 8-channel, 10-bit ADC with optional differential input stage and programmable gain (TQFP package only)
- Programmable Watchdog Timer with Internal Oscillator
- Six software selectable power saving modes including Idle, Power-save, Power-down, Standby, and Extended Standby
Applications
The ATmega32A is suitable for a wide range of embedded control applications, including:
- Industrial Automation
- Consumer Electronics
- Automotive Systems
- Medical Devices
- Wireless and Wired Communication Systems
- Robotics and IoT Devices
Q & A
- What is the program memory capacity of the ATmega32A?
The ATmega32A has 32K bytes of In-System Programmable Flash program memory.
- What are the operating voltage ranges for the ATmega32A?
The operating voltage ranges for the ATmega32A are 2.7 - 5.5V.
- What types of packages are available for the ATmega32A?
The ATmega32A is available in 40-pin PDIP, 44-lead TQFP, and 44-pad QFN/MLF packages.
- Does the ATmega32A support in-system programming?
- What is the maximum speed of the ATmega32A?
The ATmega32A can operate up to 16MHz).
- How many general purpose I/O lines does the ATmega32A have?
The ATmega32A has 32 programmable I/O lines).
- What is the power consumption of the ATmega32A in active mode?
The power consumption in active mode at 1 MHz, 3V, and 25°C is 0.6mA).
- Does the ATmega32A have a JTAG interface?
- What types of timers/counters are available on the ATmega32A?
The ATmega32A has three flexible timer/counters with compare modes).
- What is the resolution of the ADC on the ATmega32A?
The ATmega32A has an 8-channel, 10-bit ADC with optional differential input stage and programmable gain (TQFP package only)).
