Novinka:Nová rodina AVR MCU
(Kategória: Semiconductor-ZONE)
Zaslal Kiwwicek
18.08.2009-08:13

Atmel predstavuje novú rodinu AVR 8bit mikrokontrolérov určených na ovládanie motorov v priemyselných aplikáciách s integrovanými rozhraniami CAN a LIN. Rodinu tvoria tri mikrokontroléry ATmega16M1, ATmega32M1 a ATmega64M1 s veľkosťami programových pamätí 16/32/64 KB.

Vlastnosti:

  • High Performance, Low Power AVR ® 8-bit Microcontroller
  • Advanced RISC Architecture
    – 131 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
    – 16/32/64K Bytes Flash of In-System Programmable Program Memory
    – 512B/1K/2K Bytes of In-System Programmable EEPROM
    – 1/2/4K Bytes 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
    In-System Programming by On-chip Boot Program
    True Read-While-Write Operation
    – Programming Lock for Flash Program and EEPROM Data Security
  • On Chip Debug Interface (debugWIRE)
  • CAN 2.0A/B with 6 Message Objects - ISO 16845 Certified
  • LIN 2.1 and 1.3 Controller or 8-Bit UART
  • One 12-bit High Speed PSC ( Power Stage Controller)
    – 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 Emergency Event
  • Peripheral Features
    – One 8-bit General purpose Timer/Counter with Separate Prescaler, Compare Mode
    and Capture Mode
    – One 16-bit General purpose Timer/Counter with Separate Prescaler, Compare
    Mode and Capture Mode
    – One Master/Slave SPI Serial Interface
    – 10-bit ADC
    Up To 11 Single Ended Channels and 3 Fully Differential ADC Channel Pairs
    Programmable Gain (5x, 10x, 20x, 40x) on Differential Channels
    Internal Reference Voltage
    Direct Power Supply Voltage Measurement
    – 10-bit DAC for Variable Voltage Reference (Comparators, ADC)
    – Four Analog Comparators with Variable Threshold Detection
    – 100μA ±2% Current Source (LIN Node Identification)
    – Interrupt and Wake-up on Pin Change
    – Programmable Watchdog Timer with Separate On-Chip Oscillator
    – On-chipTemperature Sensor
  • Special Microcontroller Features
    – Low Power Idle, Noise Reduction, and Power Down Modes
    – Power On Reset and Programmable Brown Out Detection
    – In-System Programmable via SPI Port
    – High Precision Crystal Oscillator for CAN Operations (16 MHz)
    – Internal Calibrated RC Oscillator ( 8 MHz)
    – On-chip PLL for fast PWM ( 32 MHz, 64 MHz) and CPU (16 MHz)
  • Extended Operating Temperature:
    – -40°C to +85°C
  • Core Speed Grade:
    – 0 - 8MHz @ 2.7 - 4.5V
    – 0 - 16MHz @ 4.5 - 5.5V




Dostupnosť:

ATmega32M1 je dostupná už teraz za cenu $1.95 pri odbere 10-tisic kusov, mikrokontrolér poskytuje firma ATMEL aj ako vzorky. ATmega16M1 a ATmega64M1 si budete môcť domov "navzorkovať" už v priebehu 8 mesiaca a do predaja sa dostanú v 9 mesiaci tohto roka.
Cena za ATmega16M1 je výrobcom stanovená na $1.61 pri odbere 10-tis. kusov a cena ATmega64M1 je $2.44 pri rovnako veľkom odbere ako pri dalších dvoch mikrokontroléroch.

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Táto novinka je z mikroZONE
( http://www.mikrozone.sk/news.php?extend.61 )