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ATMEGA32L-8MU
+NomenclatureIC MCU 8BIT 32KB FLASH 44VQFN
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FabricantEtmel
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Pièce fabricant #ATMEGA32L-8MU
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Fiche technique ATMEGA32L-8MU DataSheet
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Package VQFN-44
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En stock7405
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Spécifications
| Attribut | Valeur |
| Package | Bulk |
| Series | AVR® ATmega |
| ProductStatus | Active |
| CoreProcessor | AVR |
| CoreSize | 8-Bit |
| Speed | 8MHz |
| 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 | Surface Mount |
| Package/Case | 44-VFQFN Exposed Pad |
Présentation
Description
- 8MHz max clock speed (L denotes low-voltage operation, 2.7–5.5V).
- 32KB Flash, 2KB SRAM, 1KB EEPROM for program/data storage.
- 40-pin QFN package (8MU suffix), compact and surface-mount.
- Peripherals: 4 timers, 8-channel 10-bit ADC, USART, SPI, I²C, and 32 I/O pins.
- Low-power modes (Idle, Power-down) for energy efficiency.
Ideal for embedded systems, automation, and battery-powered applications.
Equivalent
- ATMEGA32-8MU (same specs, different voltage range)
- ATMEGA32L-8AU (TQFP package variant)
- ATMEGA32-8AU (higher voltage range, TQFP)
- ATMEGA32A-PU (DIP package alternative)
- ATMEGA32U4 (enhanced USB capability).
These offer similar performance but may vary in packaging, voltage, or features. Always check datasheets for compatibility.
Features
- CPU: 8-bit AVR RISC (up to 8 MIPS at 8MHz)
- Flash Memory: 32KB (16K x 16)
- SRAM: 2KB
- EEPROM: 1KB
- Operating Voltage: 2.7V–5.5V (Low-power variant)
- Speed: 0–8MHz at 2.7V–5.5V
- I/O Pins: 32 (4 ports, 8 pins each)
- Timers: Three (Two 8-bit, One 16-bit)
- PWM Channels: 4
- ADC: 8-channel, 10-bit
- Communication: USART, SPI, I²C (TWI)
- Packaging: 44-pad QFN (7x7mm)
- Special Features: Power-saving modes, watchdog timer, on-chip oscillator
Ideal for low-power embedded applications.
Pinout
### Key Features:
- 44 pins (40 usable I/O pins).
- 8-bit AVR architecture, operating at 8MHz (low-power variant).
- 32KB Flash, 2KB SRAM, 1KB EEPROM.
- 4x 8-bit I/O ports (PORTA, PORTB, PORTC, PORTD) with bidirectional pins.
- 8-channel 10-bit ADC, 4x PWM channels, USART/SPI/I²C interfaces.
- 3x timers/counters (2x 8-bit, 1x 16-bit).
- JTAG & ISP programming support.
### Functions:
- General-purpose I/O, analog/digital signal processing.
- Communication (UART, SPI, I²C).
- PWM generation, timer/counter operations.
- Low-power operation (L suffix).
Compact and versatile for embedded systems.
Manufacturer
Microchip, founded in 1989 and headquartered in Chandler, Arizona, is known for its PIC and AVR microcontroller families, including the ATmega series (originally developed by Atmel, which Microchip acquired in 2016). The company serves industries like automotive, industrial, consumer electronics, and IoT.
The ATMEGA32L-8MU is an 8-bit AVR microcontroller with low-power (L) operation, 32KB Flash, and an 8MHz clock speed, commonly used in embedded systems.
Application
- Consumer Electronics: Remote controls, smart home devices.
- Industrial Automation: Sensors, motor control, PLCs.
- Automotive: Dashboard displays, basic control modules.
- Medical Devices: Portable monitors, diagnostic tools.
- IoT & Wearables: Low-power sensor nodes, fitness trackers.
- Robotics: Small robotic controllers, servo management.
Its 8MHz operation, 32KB Flash, and low-power modes make it suitable for battery-powered and cost-sensitive designs.
