Datasheet > AT90PWM3B

AT90PWM3B

更新时间： 2023-12-06 20:11:17

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
25页	484K
描述
Specially designed for lamp ballast and motor control applications, the 8-bit AVR RISC-based micro

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数据手册

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AT90PWM3B 数据手册

Features

• 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

8-bit Atmel

Microcontroller

with 8K Bytes

In-System

Programmable

Flash

– 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

AT90PWM2

AT90PWM3

• 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

AT90PWM2B

AT90PWM3B

– 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

Summary

– 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)

4317KS–AVR–03/2013

12 3 4 5 6 7...25

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