AT90PWM2B 带有8K系统内可编程Flash存储器

Specially designed for Lamp ballast and Motor Control applications, the AT90PWM2B AVR microcontroller features 8 KBytes Flash memory, 7-channel advanced PWM, 8-channel 8-bit ADC, two or three 12-bit High Speed PSC (Power Stage Controllers) with 4-bit Resolution Enhancement and DALI protocol support.

• 8KB 系统内可编程Flash存储器：AT90PWM2
• 8KB 系统内可编程Flash存储器：AT90PWM2B
• 8KB 系统内可编程Flash存储器：AT90PWM3
• 8KB 系统内可编程Flash存储器：AT90PWM3B

The AT90PWM2/2B/3/3B is a low-power CMOS 8-bit microcontroller based on the AVR
enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the AT90PWM2/2B/3/3B achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

AT90PWM2B 特性

• ? High Performance, Low Power 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)

AT90PWM2B 技术支持

1. ATMEL 爱特梅尔AVR 微控制器AT90PWM2B 数据手册DataSheet 下载. PDF（完整版）
2. ATMEL 爱特梅尔AVR 微控制器AT90PWM2B 数据手册DataSheet 下载. PDF（简洁版）
3. Atmel 爱特梅尔AVR 微控制器简介.PDF (编号:Tech AVR 000)MLF 32
4. 面向新手的AVR 开发工具,及基本知识.PDF(编号:Tech AVR 001)
5. 使用AVR 定时/计数器的PWM功能设计要点 .PDF (编号:Tech AVR 002)
6. AVR指令集（版本：0856G–AVR–07/08）
7. 相关产品选型（ Excel 文档格式）
8. AVR 微控制器汽车应用解决方案 . pdf
9. AVR 微控制器选型指南. pdf
10. ATMEL 爱特梅尔公司全线产品目录. pdf