{"id":8567,"date":"2026-06-29T05:20:55","date_gmt":"2026-06-29T05:20:55","guid":{"rendered":"https:\/\/materialparts.com\/atmega640-16au\/"},"modified":"2026-06-29T05:20:55","modified_gmt":"2026-06-29T05:20:55","slug":"atmega640-16au","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/atmega640-16au\/","title":{"rendered":"ATMEGA640-16AU"},"content":{"rendered":"

\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n

The ATMEGA640-16AU from Microchip\/Atmel is a high-performance 8-bit AVR RISC microcontroller with 64KB Flash, 8KB SRAM, and 2KB EEPROM in a 100-pin TQFP package. Running at up to 16MHz with 86 GPIO pins, dual USARTs, SPI, I2C, and a 16-channel 10-bit ADC, it provides comprehensive peripheral integration for demanding embedded control applications.<\/p>\n

\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n
\u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0627\u062a<\/td>\n8-bit AVR RISC (131 instructions, 32 x 8-bit registers)<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u062a\u0631\u062f\u062f \u0627\u0644\u0633\u0627\u0639\u0629<\/td>\n16 \u0645\u064a\u062c\u0627 \u0647\u0631\u062a\u0632<\/td>\n<\/tr>\n
Flash Memory<\/td>\n64KB (10,000 write\/erase cycles)<\/td>\n<\/tr>\n
SRAM<\/td>\n8KB<\/td>\n<\/tr>\n
EEPROM<\/td>\n2KB (100,000 write\/erase cycles)<\/td>\n<\/tr>\n
Operating Voltage<\/td>\n4.5V ~ 5.5V (0~16MHz)<\/td>\n<\/tr>\n
I\/O Pins<\/td>\n86<\/td>\n<\/tr>\n
\u0627\u0644\u0645\u0624\u0642\u062a\u0627\u062a<\/td>\n2 x 8-bit + 2 x 16-bit<\/td>\n<\/tr>\n
ADC<\/td>\n16 channels x 10-bit (65~260kSPS)<\/td>\n<\/tr>\n
\u0627\u0644\u062a\u0648\u0627\u0635\u0644<\/td>\n2x USART, 1x SPI, 1x I2C (TWI)<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nTQFP-100 (14mm x 14mm)<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • Powerful 8-bit AVR core with single-cycle instruction execution<\/li>\n
  • 64KB in-system programmable Flash with self-programming support<\/li>\n
  • 86 GPIO pins for extensive peripheral interfacing<\/li>\n
  • JTAG interface for on-chip debugging and programming<\/li>\n
  • 6 PWM channels for motor control and LED dimming<\/li>\n
  • Low power modes: Idle (0.5mA), Power-save (1uA)<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Industrial control and automation systems<\/li>\n
    • Motor drive and motion control<\/li>\n
    • \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a \u0627\u0644\u0627\u0633\u062a\u0647\u0644\u0627\u0643\u064a\u0629 \u0648\u0627\u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0645\u0646\u0632\u0644\u064a\u0629<\/li>\n
    • Embedded networking and communication gateways<\/li>\n
    • Security and access control systems<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The ATMEGA640-16AU from Microchip\/Atmel is a high-performance 8-bit AVR RISC microcontroller with 64KB Flash, 8KB SRAM, and 2KB EEPROM in a 100-pin TQFP package. Running at up to 16MHz with 86 GPIO pins, dual USARTs, SPI, I2C, and a 16-channel 10-bit ADC, it provides comprehensive peripheral integration for demanding embedded control applications. Key […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,25],"tags":[],"chip_brand":[134],"class_list":["post-8567","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-microcontrollers-mcu","chip_brand-microchip"],"acf":{"brief_explanation":"Microchip 8-bit AVR MCU, 64KB Flash, 16MHz, 86 I\/O, TQFP-100, dual USART, JTAG","date_code":"","package_case":"TQFP-100 (14mm x 14mm, AU suffix)","in_stock":13004,"datasheet":"https:\/\/ww1.microchip.com\/downloads\/en\/DeviceDoc\/Atmel-2549-8-bit-AVR-Microcontroller-ATmega640-1280-1281-2560-2561_datasheet.pdf","price":"$3.20 @ 1ku","product_introduction":"The ATMEGA640-16AU from Microchip (formerly Atmel) is a high-performance 8-bit AVR RISC microcontroller with 64KB of in-system programmable Flash memory, 8KB of SRAM, and 2KB of EEPROM. Running at clock frequencies up to 16MHz, the AVR core executes most instructions in a single clock cycle, delivering up to 16 MIPS throughput. The device features 86 programmable I\/O pins in a 100-pin TQFP package, providing ample connectivity for complex embedded applications. The peripheral set includes two 8-bit and two 16-bit timer\/counters, 6 PWM channels, a 16-channel 10-bit ADC with 65~260kSPS throughput, dual USARTs for serial communication, an SPI port, and an I2C-compatible TWI port. The JTAG interface supports on-chip debugging and boundary scan, simplifying development and production testing. Power management features include Idle mode (0.5mA), ADC Noise Reduction mode, and Power-save mode (1uA) with RTC operation from a 32kHz watch crystal.","working_principle":"The ATMEGA640-16AU is based on the AVR enhanced RISC architecture, which uses a two-stage pipeline: while one instruction is being executed, the next instruction is being pre-fetched from Flash, enabling single-cycle execution for most instructions. The 32 x 8-bit general-purpose register file is directly connected to the arithmetic logic unit (ALU), allowing independent access in a single clock cycle. The Flash memory is organized as 32K x 16-bit words and supports in-system programming (ISP) via SPI, JTAG, or self-programming from application code. The ADC uses a successive approximation method with sample-and-hold, configurable input multiplexer, and selectable 2.56V internal reference. The USART supports full-duplex asynchronous communication with frame error and parity error detection, as well as master\/slave SPI operation. Interrupt vectors are prioritized by hardware, with each peripheral having its own vector address in the program memory.","pin_description":"\n
      Pin Group<\/th>Function<\/th><\/tr>\n
      PA0~PA7<\/td>8-bit bidirectional I\/O Port A (ADC0~ADC7 alternate)<\/td><\/tr>\n
      PB0~PB7<\/td>8-bit bidirectional I\/O Port B (T0\/T1\/OC0\/OC1\/OC2 alternate)<\/td><\/tr>\n
      PC0~PC7<\/td>8-bit bidirectional I\/O Port C (JTAG\/SPI alternate)<\/td><\/tr>\n
      PD0~PD7<\/td>8-bit bidirectional I\/O Port D (USART0\/INT0~3 alternate)<\/td><\/tr>\n
      PE0~PE7<\/td>8-bit bidirectional I\/O Port E (USART1\/INT4~7\/T3\/OC3 alternate)<\/td><\/tr>\n
      PF0~PF7<\/td>8-bit bidirectional I\/O Port F (ADC8~ADC15 alternate)<\/td><\/tr>\n
      PG0~PG5<\/td>6-bit bidirectional I\/O Port G (TOSC\/WR\/RD\/ALE alternate)<\/td><\/tr>\n
      VCC, GND<\/td>Multiple power and ground pins<\/td><\/tr>\n
      AVCC, AREF<\/td>ADC power supply and reference<\/td><\/tr>\n
      RESET#<\/td>Active-low reset input<\/td><\/tr>\n<\/table>","application_scenarios":"
        \n
      • Industrial control: Implement multi-axis motor control with 6 PWM channels and encoder inputs via 86 GPIO pins<\/li>\n
      • Communication gateway: Bridge UART (dual USART), SPI, and I2C buses with 64KB Flash for protocol translation firmware<\/li>\n
      • Consumer appliances: Control washing machines, microwave ovens, and HVAC systems with ADC sensor feedback<\/li>\n
      • Security systems: Manage keypad scanning, RFID readers, and relay outputs with JTAG-enabled field firmware updates<\/li>\n
      • Data loggers: Acquire 16 channels of analog data at 260kSPS and store to external memory via SPI with timestamp from TWI RTC<\/li>\n<\/ul>","alternative_models":"\n
        Model<\/th>Brand<\/th>Flash<\/th>Pins<\/th>Key Difference<\/th><\/tr>\n
        ATMEGA1280-16AU<\/td>Microchip<\/td>128KB<\/td>100<\/td>2x Flash, 4x USART<\/td><\/tr>\n
        ATMEGA2560-16AU<\/td>Microchip<\/td>256KB<\/td>100<\/td>4x Flash, 4x USART<\/td><\/tr>\n
        ATMEGA640V-8AU<\/td>Microchip<\/td>64KB<\/td>100<\/td>Low-voltage, 8MHz<\/td><\/tr>\n
        SAM3X8E<\/td>Microchip<\/td>512KB<\/td>144<\/td>32-bit ARM Cortex-M3<\/td><\/tr>\n
        PIC18F67K22-I\/PT<\/td>Microchip<\/td>128KB<\/td>64<\/td>PIC18 core, fewer pins<\/td><\/tr>\n<\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/8567","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=8567"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/8567\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=8567"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=8567"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=8567"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=8567"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}