AT90PWM3 带有8K系统内可编程Flash存储器

Flash (Kbytes)	8
EEPROM (Kbytes)	0.5
SRAM (Bytes)	512
Max I/O Pins	27
F.max (MHz)	16
Vcc (V)	2.7-5.5
16-bit Timers	1
8-bit Timer	1
PWM (channels)	10
RTC	Yes
SPI	1
UART	Yes
ISP	Yes
10-bit A/D (Channe	11
Analog Comparator	Yes
Brown Out Detector	Yes
Watchdog	Yes
On Chip Oscillator	Yes
Hardware Multiplie	Yes
Interrupts	29
Ext Interrupts	4
Self Program Memor	Yes
Pb-Free Packages	VQFN (Punched) 32 SOIC 32

Specially designed for Lamp ballast and Motor Control applications, the AT90PWM3 AVR microcontroller features 8 Kbytes Flash memory, 10-channel advanced PWM, 11-channel 8-bit ADC, a 10-bit DAC, two or three 12-bit High Speed PSC (Power Stage Controllers) with 4-bit Resolution Enhancement and DALI protocol support.
AT90PWM3B is the latest product version and must be used for all new designs.

• 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.

AT90PWM3 特性

• High Performance, Low Power AVR (R) 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
  o 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)

AT90PWM3 订购型号

Speed (MHz)	Power Supply	Ordering Code	Package	Operation Range
16	2.7 - 5.5V	AT90PWM3-16SQ	SO32	Extended (-40°C to 105°C)
16	2.7 - 5.5V	AT90PWM3-16MQT	QFN32	Extended (-40°C to 105°C)

AT90PWM3 应用技术支持与电子电路设计开发资源下载

1. ATMEL 爱特梅尔AVR 微控制器AT90PWM3 数据手册DataSheet 下载. PDF（完整版）
2. ATMEL 爱特梅尔AVR 微控制器AT90PWM3 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. AVR 微控制器汽车应用解决方案 . pdf
8. AVR 微控制器选型指南. pdf
9. ATMEL 爱特梅尔公司全线产品目录. pdf