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AT90PWM3B
AT90PWM3B product description: 8-bit MCU with 8KB Flash and DALI compatibility
AT90PWM3B
AT90PWM3B product description: 8-bit MCU with 8KB Flash and DALI compatibility
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AT90PWM3B 數據表
目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!
詳細說明
In summary, the AT90PWM3B microcontroller offers a comprehensive set of features tailored to the needs of lamp ballast and motor control applications. Its combination of storage, processing, and control capabilities, along with its power-saving modes and support for industry-standard protocols, makes it an ideal choice for developers looking to create energy-efficient and high-performing systems
主要特徵
- High Performance, Low Power Atmel® AVR® 8-bit Microcontroller
- Advanced RISC Architecture
- – 129 Powerful Instructions - Most Single Clock Cycle Execution
- – 32 x 8 General Purpose Working Registers
- – Fully Static Operation
- – Up to 1 MIPS throughput per MHz
- – On-chip 2-cycle Multiplier
- Data and Non-Volatile Program Memory
- – 8K Bytes Flash of In-System Programmable Program Memory
- Endurance: 10,000 Write/Erase Cycles
- – Optional Boot Code Section with Independent Lock Bits
- In-System Programming by On-chip Boot Program
- True Read-While-Write Operation
- – 512 Bytes of In-System Programmable EEPROM
- Endurance: 100,000 Write/Erase Cycles
- – 512 Bytes Internal SRAM
- – Programming Lock for Flash Program and EEPROM Data Security
- On Chip Debug Interface (debugWIRE)
- Peripheral Features
- – Two or three 12-bit High Speed PSC (Power Stage Controllers) with 4-bit Resolution Enhancement
- Non Overlapping Inverted PWM Output Pins With Flexible Dead-Time
- Variable PWM duty Cycle and Frequency
- Synchronous Update of all PWM Registers
- Auto Stop Function for Event Driven PFC Implementation
- Less than 25 Hz Step Width at 150 kHz Output Frequency
- PSC2 with four Output Pins and Output Matrix
- – One 8-bit General purpose Timer/Counter with Separate Prescaler and Capture Mode
- – One 16-bit General purpose Timer/Counter with Separate Prescaler, Compare Mode and Capture Mode
- – Programmable Serial USART
- Standard UART mode
- 16/17 bit Biphase Mode for DALI Communications
- – Master/Slave SPI Serial Interface
- – 10-bit ADC
- Up To 11 Single Ended Channels and 2 Fully Differential ADC Channel Pairs
- Programmable Gain (5x, 10x, 20x, 40x on Differential Channels)
- Internal Reference Voltage
- – 10-bit DAC
- – Two or three Analog Comparator with Resistor-Array to Adjust Comparison Voltage
- – 4 External Interrupts
- – Programmable Watchdog Timer with Separate On-Chip Oscillator
- Special Microcontroller Features
- – Low Power Idle, Noise Reduction, and Power Down Modes
- – Power On Reset and Programmable Brown Out Detection
- – Flag Array in Bit-programmable I/O Space (4 bytes)
- – In-System Programmable via SPI Port
- – Internal Calibrated RC Oscillator ( 8 MHz)
- – On-chip PLL for fast PWM ( 32 MHz, 64 MHz) and CPU (16 MHz)
- Operating Voltage: 2.7V - 5.5V
- Extended Operating Temperature:
- – -40°C to +105°C
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is AT90PWM3B?
The AT90PWM3B is a low-power, high-performance 8-bit Microcontroller from Atmel (now Microchip). It is specifically designed for applications requiring precise motor control, such as in automotive systems, industrial automation, and robotics.
How Does AT90PWM3B Work?
The AT90PWM3B operates as a microcontroller, executing programmed instructions to control motors and other peripherals. It features PWM (Pulse Width Modulation) channels that enable accurate motor speed and power control. The microcontroller combines a compact size with high computational capabilities, making it suitable for embedded systems.
How Many Pins does AT90PWM3B have and What are the Functions of the Pinout Configuration?
The AT90PWM3B is available in various package options, such as TQFP and QFN, with pin configurations specific to each package. Common pin functions include:
- VCC, GND: Power supply and ground pins.
- PWM Outputs: Pins for generating PWM signals for motor control.
- ADC Inputs: Analog-to-Digital Converter input pins for sensing analog signals.
- UART, I2C, SPI: Communication interface pins for serial communication.
- Reset, Interrupt: Pins for reset and interrupt functions.
- IO Ports: General-purpose I/O pins for external device control.
What are the Pros and Cons of AT90PWM3B?
Pros:
- Motor Control Features: Designed for precise motor control applications.
- Low Power Consumption: Operates efficiently in low-power modes.
- High Performance: Provides high computational capabilities for demanding tasks.
- Compact Size: Suitable for space-constrained embedded systems.
- Peripheral Interfaces: Supports various communication protocols for versatile connectivity.
Cons:
- Complexity: May require advanced programming knowledge for efficient utilization.
- Limited Memory: Storage limitations compared to higher-bit microcontrollers.
- Specialized Application: Best suited for motor control applications, may not be ideal for general-purpose use.
Are There Any Equivalents/Alternatives to AT90PWM3B for Recommendation?
- Alternatives to the AT90PWM3B include the STM32F0 series from STMicroelectronics and the PIC16F series from Microchip.
- The ATmega328P from Atmel (Microchip) is a popular general-purpose 8-bit microcontroller that can serve as an alternative for less specialized applications.
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