{"id":6861,"date":"2026-06-22T01:38:36","date_gmt":"2026-06-22T01:38:36","guid":{"rendered":"https:\/\/materialparts.com\/at91sam7x512b-aur\/"},"modified":"2026-06-22T01:38:36","modified_gmt":"2026-06-22T01:38:36","slug":"at91sam7x512b-aur","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/at91sam7x512b-aur\/","title":{"rendered":"AT91SAM7X512B-AUR"},"content":{"rendered":"

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

The AT91SAM7X512B-AUR from Microchip Technology is an ARM7-based MCU with 512KB Flash, 128KB SRAM, Ethernet MAC, and CAN in a LQFP-100 package.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n
\u7c7b\u578b<\/td>\nARM7TDMI Microcontroller<\/td>\n<\/tr>\n
CPU<\/td>\nARM7TDMI, 55 MHz<\/td>\n<\/tr>\n
\u95ea\u5149\u706f<\/td>\n512 KB<\/td>\n<\/tr>\n
SRAM<\/td>\n128 KB<\/td>\n<\/tr>\n
\u4ee5\u592a\u7f51<\/td>\n10\/100 MAC (MII\/RMII)<\/td>\n<\/tr>\n
CAN<\/td>\n1x CAN 2.0B<\/td>\n<\/tr>\n
USB<\/td>\n1x USB 2.0 Full-Speed Device<\/td>\n<\/tr>\n
ADC<\/td>\n8-channel, 10-bit<\/td>\n<\/tr>\n
\u7535\u6e90\u7535\u538b<\/td>\n1.65 V to 3.6 V<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nLQFP-100 (14 x 14 mm)<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40C to +85C<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • ARM7TDMI core at 55 MHz<\/li>\n
  • 512KB Flash and 128KB SRAM<\/li>\n
  • Integrated 10\/100 Ethernet MAC<\/li>\n
  • CAN 2.0B controller<\/li>\n
  • USB 2.0 Full-Speed device<\/li>\n
  • 8-channel 10-bit ADC<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Industrial Ethernet\/CAN gateway<\/li>\n
    • Embedded web server<\/li>\n
    • Building automation controller<\/li>\n
    • Networked sensor nodes<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The AT91SAM7X512B-AUR from Microchip Technology is an ARM7-based MCU with 512KB Flash, 128KB SRAM, Ethernet MAC, and CAN in a LQFP-100 package. Key Specifications Type ARM7TDMI Microcontroller CPU ARM7TDMI, 55 MHz Flash 512 KB SRAM 128 KB Ethernet 10\/100 MAC (MII\/RMII) CAN 1x CAN 2.0B USB 1x USB 2.0 Full-Speed Device ADC 8-channel, […]<\/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-6861","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-microcontrollers-mcu","chip_brand-microchip"],"acf":{"brief_explanation":"ARM7 MCU, 512KB Flash, 128KB RAM, Ethernet+CAN, LQFP-100","date_code":"","package_case":"LQFP-100 (14 x 14 x 1.4 mm)","in_stock":4567,"datasheet":"https:\/\/ww1.microchip.com\/downloads\/en\/DeviceDoc\/doc6559.pdf","price":"$9.50 @ 1ku","product_introduction":"The AT91SAM7X512B-AUR from Microchip Technology (formerly Atmel) is an ARM7TDMI-based microcontroller that combines 512KB Flash, 128KB SRAM, and a rich peripheral set including a 10\/100 Ethernet MAC and CAN 2.0B controller in a single chip. The SAM7X series is designed for networked embedded applications requiring both wired Ethernet and CAN connectivity. The integrated Ethernet MAC supports MII and RMII PHY interfaces, and the CAN controller supports CAN 2.0A and 2.0B protocols. USB 2.0 Full-Speed device capability provides another communication path. The 8-channel 10-bit ADC, multiple USARTs, SPI, and TWI (I2C) interfaces support diverse peripheral connections. The device is a mature, well-established platform with extensive software support and a long production history.","working_principle":"The AT91SAM7X512B-AUR uses the ARM7TDMI core, a 32-bit RISC processor with a 3-stage pipeline (fetch, decode, execute) running at up to 55 MHz. The core supports both ARM (32-bit) and Thumb (16-bit) instruction sets for code density optimization. The 512KB Flash stores firmware and is organized as a single plane with page-level erase. The 128KB SRAM provides zero-wait-state access at full speed. The AMBA bus architecture connects the ARM7 core to the internal peripherals through an AHB bus for high-speed devices (Ethernet, USB, DMA) and an APB bus for lower-speed peripherals (USART, SPI, TWI, CAN, ADC). The Ethernet MAC implements the media access control layer of IEEE 802.3, requiring an external PHY transceiver for the physical layer. The CAN controller implements the CAN 2.0B protocol with hardware message filtering and transmit\/receive mailboxes. The PDC (Peripheral DMA Controller) provides 8 channels for memory-to-peripheral data transfers without CPU intervention.","pin_description":"
      Pin Group<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      Multiple<\/td>PA0-PA31<\/td>I\/O<\/td>GPIO Port A (USART\/SPI\/TWI\/PWM)<\/td><\/tr>
      Multiple<\/td>PB0-PB31<\/td>I\/O<\/td>GPIO Port B (ADC\/Ethernet\/CAN\/USB)<\/td><\/tr>
      Dedicated<\/td>NRST<\/td>Input<\/td>System reset<\/td><\/tr>
      Dedicated<\/td>TST\/JTAGSEL<\/td>Input<\/td>Test\/JTAG select<\/td><\/tr>
      Dedicated<\/td>VDDCORE\/VDDIO<\/td>Power<\/td>Core 1.65-1.95V \/ I\/O 2.7-3.6V<\/td><\/tr><\/table>","application_scenarios":"
      • Industrial Ethernet-to-CAN gateway with dual protocol bridging<\/li>
      • Embedded web server for building automation with 10\/100 Ethernet<\/li>
      • Automotive diagnostic tool with CAN 2.0B and USB connectivity<\/li>
      • Networked sensor hub with Ethernet backhaul and ADC acquisition<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Microchip<\/td>AT91SAM7X256B-AU<\/td>LQFP-100<\/td>256KB Flash, smaller memory<\/td><\/tr>
        ST<\/td>STM32F107VCT6<\/td>LQFP-100<\/td>Cortex-M3, Ethernet+CAN, modern<\/td><\/tr>
        NXP<\/td>LPC1768FBD100<\/td>LQFP-100<\/td>Cortex-M3, Ethernet+CAN, upgrade<\/td><\/tr>
        Microchip<\/td>SAM4E16E<\/td>LQFP-144<\/td>Cortex-M4, Ethernet+CAN, upgrade<\/td><\/tr>
        Microchip<\/td>SAME70Q21<\/td>LQFP-144<\/td>Cortex-M7, Ethernet+CAN, upgrade<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/6861","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=6861"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/6861\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=6861"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=6861"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=6861"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=6861"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}