{"id":3898,"date":"2026-06-09T01:15:33","date_gmt":"2026-06-09T01:15:33","guid":{"rendered":"https:\/\/materialparts.com\/atmega16a-au\/"},"modified":"2026-06-09T01:15:33","modified_gmt":"2026-06-09T01:15:33","slug":"atmega16a-au","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/atmega16a-au\/","title":{"rendered":"ATMEGA16A-AU"},"content":{"rendered":"

\u4ea7\u54c1\u6982\u89c8<\/h2>\n

The ATMEGA16A-AU from Microchip Technology is a high-performance 8-bit AVR RISC microcontroller with 16KB ISP Flash, 512B EEPROM, and 1KB SRAM. Packaged in 44-pin TQFP, it delivers up to 16MIPS at 16MHz with JTAG, 8-channel 10-bit ADC, and comprehensive peripherals.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n
Architecture<\/td>\n8-bit AVR RISC<\/td>\n<\/tr>\n
Flash Memory<\/td>\n16KB<\/td>\n<\/tr>\n
SRAM<\/td>\n1KB<\/td>\n<\/tr>\n
EEPROM<\/td>\n512 bytes<\/td>\n<\/tr>\n
Max Clock<\/td>\n16MHz<\/td>\n<\/tr>\n
Performance<\/td>\n16MIPS @ 16MHz<\/td>\n<\/tr>\n
I\/O Pins<\/td>\n32<\/td>\n<\/tr>\n
ADC<\/td>\n8-channel 10-bit<\/td>\n<\/tr>\n
\u4ea4\u6d41<\/td>\nUSART, SPI, I2C<\/td>\n<\/tr>\n
Operating Voltage<\/td>\n2.7V to 5.5V<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\n44-TQFP (10x10mm)<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • 131 powerful instructions, most single-clock cycle<\/li>\n
  • 32 x 8 general purpose registers<\/li>\n
  • On-chip 2-cycle multiplier<\/li>\n
  • JTAG interface with boundary-scan and on-chip debug<\/li>\n
  • Programmable USART, SPI, I2C<\/li>\n
  • Watchdog timer with separate oscillator<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Industrial control systems<\/li>\n
    • Motor drive control<\/li>\n
    • Consumer electronics<\/li>\n
    • Automotive embedded systems<\/li>\n
    • Smart sensors and instrumentation<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The ATMEGA16A-AU from Microchip Technology is a high-performance 8-bit AVR RISC microcontroller with 16KB ISP Flash, 512B EEPROM, and 1KB SRAM. Packaged in 44-pin TQFP, it delivers up to 16MIPS at 16MHz with JTAG, 8-channel 10-bit ADC, and comprehensive peripherals. Key Specifications Architecture 8-bit AVR RISC Flash Memory 16KB SRAM 1KB EEPROM 512 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,25],"tags":[],"chip_brand":[134],"class_list":["post-3898","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-microcontrollers-mcu","chip_brand-microchip"],"acf":{"brief_explanation":"8-bit AVR MCU, 16KB Flash, 1KB SRAM, 16MIPS, 44-TQFP","date_code":"","package_case":"44-TQFP (10 x 10 mm)","in_stock":14162,"datasheet":"https:\/\/www.microchip.com\/content\/dam\/mchp\/documents\/OTH\/ProductDocuments\/DataSheets\/Atmel-8154-8-bit-AVR-ATmega16A_Datasheet.pdf","price":"$2.95 @ 1ku","product_introduction":"The ATMEGA16A-AU is a member of the Atmel AVR family of 8-bit microcontrollers, now produced by Microchip Technology. It combines 16KB ISP Flash, 512B EEPROM, and 1KB SRAM in a 44-pin TQFP package. The AVR core uses Harvard architecture with separate instruction and data memories, enabling most instructions to execute in a single clock cycle for up to 16MIPS at 16MHz. The device includes 8-channel 10-bit ADC, USART, SPI, I2C, multiple timers, and JTAG interface for debugging and programming.","working_principle":"The ATMEGA16A-AU operates on AVR enhanced RISC architecture with two-stage pipeline. (1) CPU Core: 32 general-purpose registers directly connected to ALU allow two-register access in one instruction. (2) Memory: Flash stores program code with ISP capability; EEPROM retains data across power cycles; SRAM provides fast data access. (3) Peripherals: 10-bit SAR ADC with auto-triggering; USART\/SPI\/I2C for serial communication; 16-bit timer supports PWM and input capture. (4) JTAG: Provides on-chip debugging with breakpoints and boundary-scan per IEEE 1149.1.","pin_description":"
      Pin<\/th>Name<\/th>Function<\/th><\/tr>
      1<\/td>PB0 (T0)<\/td>Port B, Timer0 counter input<\/td><\/tr>
      17<\/td>AVCC<\/td>ADC power supply<\/td><\/tr>
      18<\/td>AREF<\/td>ADC reference<\/td><\/tr>
      30<\/td>RESET<\/td>Active low reset<\/td><\/tr>
      38<\/td>VCC<\/td>Digital supply voltage<\/td><\/tr><\/table>","application_scenarios":"
      • Industrial control: 10-bit ADC and PWM channels for motor speed control and sensor acquisition<\/li>
      • Consumer electronics: USART and SPI for LCD displays and peripherals<\/li>
      • Automotive: Wide temperature range and JTAG debug for body electronics<\/li>
      • Instrumentation: 16KB Flash for signal processing in portable devices<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Microchip<\/td>ATMEGA32A-AU<\/td>44-TQFP<\/td>32KB Flash, pin compatible<\/td><\/tr>
        Microchip<\/td>ATMEGA164A-AU<\/td>44-TQFP<\/td>16KB Flash, enhanced peripherals<\/td><\/tr>
        Microchip<\/td>ATMEGA328P-AU<\/td>32-TQFP<\/td>32KB Flash, Arduino MCU<\/td><\/tr>
        GigaDevice<\/td>GD32E230F8P6<\/td>28-TSSOP<\/td>32-bit ARM alternative<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/3898","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=3898"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/3898\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=3898"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=3898"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=3898"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=3898"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}