ATmega32A-AU 带有32K系统内可编程Flash存储器TQFP-44封装

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Flash (Kbytes)	32
EEPROM (Kbytes)	1
SRAM (Bytes)	2048
Max I/O Pins	32
F.max (MHz)	16
Vcc (V)	2.7-5.5
16-bit Timers	1
8-bit Timer	2
PWM (channels)	4
RTC	Yes
SPI	1
UART	1
TWI	USI
ISP	Yes
10-bit A/D (Channe)	8
Analog Comparator	Yes
Brown Out Detector	Yes
Watchdog	Yes
On Chip Oscillator	Yes
Hardware Multiplie	Yes
Interrupts	19
Ext Interrupts	3
Self Program Memor	Yes
Pb-Free Packages	MLF (VQFN) 44 PDIP 40 TQFP 44

32-Kbyte self-programming Flash Program Memory, 2-Kbyte SRAM, 1-Kbyte EEPROM, 8 Channel 10-bit A/D-converter. JTAG interface for on-chip-debug. Up to 16 MIPS throughput at 16 Mhz. 2.7 - 5.5 Volt operation.

The ATmega32A 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 ATmega32A achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

ATmega32A-AU 产品特性

• o High-performance, Low-power AVR(R) 8-bit Microcontroller
  o Advanced RISC Architecture
  – 131 Powerful Instructions – Most Single-clock Cycle Execution
  – 32 x 8 General Purpose Working Registers
  – Fully Static Operation
  – Up to 16 MIPS Throughput at 16 MHz
  – On-chip 2-cycle Multiplier
  o High Endurance Non-volatile Memory segments
  – 32K Bytes of In-System Self-programmable Flash program memory
  – 1024 Bytes EEPROM
  – 2K Byte Internal SRAM
  – Write/Erase Cycles: 10,000 Flash/100,000 EEPROM
  – Data retention: 20 years at 85°C/100 years at 25°C(1)
  – Optional Boot Code Section with Independent Lock Bits
  o In-System Programming by On-chip Boot Program
  o True Read-While-Write Operation
  – Programming Lock for Software Security
  o JTAG (IEEE std. 1149.1 Compliant) Interface
  – Boundary-scan Capabilities According to the JTAG Standard
  – Extensive On-chip Debug Support
  – Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface
  o Peripheral Features
  – Two 8-bit Timer/Counters with Separate Prescalers and Compare Modes
  – One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture
  Mode
  – Real Time Counter with Separate Oscillator
  – Four PWM Channels
  – 8-channel, 10-bit ADC
  o 8 Single-ended Channels
  o 7 Differential Channels in TQFP Package Only
  o 2 Differential Channels with Programmable Gain at 1x, 10x, or 200x
  – Byte-oriented Two-wire Serial Interface
  – Programmable Serial USART
  – Master/Slave SPI Serial Interface
  – Programmable Watchdog Timer with Separate On-chip Oscillator
  – On-chip Analog Comparator
  o Special Microcontroller Features
  – Power-on Reset and Programmable Brown-out Detection
  – Internal Calibrated RC Oscillator
  – External and Internal Interrupt Sources
  – Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby
  and Extended Standby
  o I/O and Packages
  – 32 Programmable I/O Lines
  – 40-pin PDIP, 44-lead TQFP, and 44-pad QFN/MLF
  o Operating Voltages
  – 2.7 - 5.5V for ATmega32A
  o Speed Grades
  – 0 - 16 MHz for ATmega32A
  o Power Consumption at 1 MHz, 3V, 25°C for ATmega32A
  – Active: 0.6 mA
  – Idle Mode: 0.2 mA
  – Power-down Mode: < 1 μA

ATmega32A-AU 订购型号

Speed (MHz)	Power Supply	Ordering Code	Package	Operation Range
16	2.7 - 5.5V	ATmega32A-AU ATmega32A-PU ATmega32A-MU	44A 40P6 44M1	Industrial (-40°C to 85°C)

ATmega32A-AU 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ATmega32A 数据手册DataSheet 下载. PDF（完整版）
2. ATMEL 爱特梅尔AVR 微控制器ATmega32A 数据手册DataSheet 下载.PDF
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
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