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ATMEGA32A-PU
+BOMIC MCU 8BIT 32KB FLASH 40DIP
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ManufacturerMicrochip Technology
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Mfr. Part #ATMEGA32A-PU
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Datasheet ATMEGA32A-PU DataSheet
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Package PDIP-40
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In Stock7413
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Specifications
| Attribute | Value |
| Package | Tube |
| Series | AVR® ATmega |
| ProductStatus | Active |
| CoreProcessor | AVR |
| CoreSize | 8-Bit |
| Speed | 16MHz |
| Connectivity | I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| NumberofI/O | 32 |
| ProgramMemorySize | 32KB (16K x 16) |
| ProgramMemoryType | FLASH |
| EEPROMSize | 1K x 8 |
| RAMSize | 2K x 8 |
| Voltage-Supply(Vcc/Vdd) | 2.7V ~ 5.5V |
| DataConverters | A/D 8x10b |
| OscillatorType | Internal |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Through Hole |
| Package/Case | 40-DIP (0.600, 15.24mm) |
Overview
Description
Key peripherals include 32 general-purpose I/O pins, four 8-bit and one 16-bit timer/counter, a 10-bit ADC with eight channels, and a USART for serial communication. It supports SPI, I2C, and UART protocols, enhancing its connectivity options. The microcontroller also includes a Watchdog Timer and power-saving modes, which are beneficial for battery-powered applications.
The ATMEGA32A-PU is compatible with the AVR instruction set, offering a rich library of commands for robust programming. It is commonly used in DIY electronics, robotics, and industrial automation due to its versatility and ease of use. The microcontroller is programmable using the AVR software suite, such as Atmel Studio or Arduino IDE.
Equivalent
1. ATMEGA328P-PU Another AVR microcontroller with similar specifications, widely used in Arduino boards.
2. ATMEGA16A-PUOffers fewer features but similar in architecture.
3. PIC16F877A: A comparable microcontroller from Microchip's PIC series.
4. STM8S103F3: An alternative from STMicroelectronics with similar 8-bit architecture.
Always verify specific requirements, as peripheral and memory differences may affect compatibility.
Features
1. Architecture: 8-bit RISC architecture with 32 general-purpose working registers.
2. Memory: 32KB of In-System Programmable Flash, 2KB SRAM, and 1KB EEPROM.
3. Operating Voltage: 2.7V to 5.5V.
4. Speed: Up to 16 MHz.
5. I/O Ports: 32 programmable I/O lines.
6. Timers: Three timer/counters (two 8-bit and one 16-bit).
7. PWM Channels: Six PWM channels.
8. Communication Interfaces: USART, SPI, and I2C (TWI).
9. Analog Features: 10-bit ADC with 8 channels.
10. Interrupts: External and internal interrupt sources.
11. Power Saving Modes: Supports several power-saving modes, including Idle, Power-down, and Sleep.
12. Programming Support: In-System Programming (ISP) via SPI.
13. Package: 40-pin PDIP.
These features make the ATmega32A-PU suitable for various applications in embedded systems, including consumer electronics, automotive, and industrial control systems.
Pinout
1. Ports:
- PORTA (PA0-PA7): 8-bit bi-directional I/O port.
- PORTB (PB0-PB7): 8-bit bi-directional I/O port with alternate functions.
- PORTC (PC0-PC7): 8-bit bi-directional I/O port.
- PORTD (PD0-PD7): 8-bit bi-directional I/O port with alternate functions.
2. Power Supply:
- VCC: Digital supply voltage.
- GND: Ground.
3. Oscillator/Clock:
- XTAL1/XTAL2: Supports an external clock oscillator.
4. Reset:
- RESET: Active-low reset input.
5. Analog:
- AREF: Reference voltage for Analog-to-Digital Converter (ADC).
- AVCC: Supply voltage for ADC.
6. Communication:
- USART, SPI, and I2C capabilities on certain pins.
7. Other Functions:
- Multiple pins support Timer/Counter, PWM, and interrupt functions.
These features make the ATmega32A-PU suitable for a wide range of applications requiring a versatile microcontroller.