型式:AT90PWM3B-16SU

 Manufacturer：Atmel

Stocks：300
 
Describe： 

The AT90PWM3B-16SU‌ is an ‌ 8-bit AVR microcontroller ‌ developed by ‌Atmel (now part of Microchip Technology) ‌, specifically optimized for high-performance motor control and lighting applications. Its core features are as follows:

1. Youdaoplaceholder0 core parameter ‌

Category ‌ ‌ specification ‌

Architecture: ‌ 8-bit AVR RISC architecture, with a maximum ‌16MHz‌ main frequency

Storage configuration: ‌ ‌8KB flash memory ‌ (programmable), ‌512B RAM‌

I/O capability ‌ ‌27 programmable I/O pins ‌

Power supply range: ‌ ‌2.7V - 5.5V‌, compatible with low-power scenarios

Operating temperature ‌ ‌-40°C to +105°C‌ (industrial grade)

Package form ‌ ‌32 pin SOIC‌ (150mil wide)

2. Youdaoplaceholder0 Key peripherals and functions ‌

PWM control ‌ : integrated ‌ 3-channel PWM‌ (high resolution), supporting motor/lighting drive;

Analog interface ‌ : built-in ‌ 11-channel 10-bit ADC‌ + ‌ 1-channel 10-bit DAC‌;

Communication interface ‌ : Supports ‌SPI, UART/USART‌ serial communication;

Reliability design ‌ : hardware ‌ undervoltage detection, watchdog timer (WDT) ‌ and ‌ power-on reset (POR) ‌.

3. Youdaoplaceholder0 Application fields ‌

Motor control ‌ : brushless DC motor (BLDC), stepper motor drive;

Intelligent lighting ‌ : LED dimming controller, ballast system;

Industrial equipment ‌ : power management module, sensor interface control.