{"id":7012,"date":"2026-06-23T02:04:37","date_gmt":"2026-06-23T02:04:37","guid":{"rendered":"https:\/\/materialparts.com\/tm4c1294kcpdti3r\/"},"modified":"2026-06-23T02:04:37","modified_gmt":"2026-06-23T02:04:37","slug":"tm4c1294kcpdti3r","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/tm4c1294kcpdti3r\/","title":{"rendered":"TM4C1294KCPDTI3R"},"content":{"rendered":"

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

The TM4C1294KCPDTI3R from Texas Instruments is a Tiva C Series ARM Cortex-M4F microcontroller operating at 120MHz with integrated 10\/100 Ethernet MAC+PHY, USB 2.0 OTG, and dual CAN 2.0 A\/B controllers. It features 512KB Flash, 256KB SRAM, and a comprehensive peripheral set in a 128-pin TQFP package. The I3 suffix denotes extended industrial temperature range up to +105C.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n
CPU Core<\/td>\nARM Cortex-M4F, 120MHz<\/td>\n<\/tr>\n
Flash Memory<\/td>\n512 KB<\/td>\n<\/tr>\n
SRAM<\/td>\n256 KB<\/td>\n<\/tr>\n
\u4ee5\u592a\u7f51<\/td>\n10\/100 MAC + Integrated PHY<\/td>\n<\/tr>\n
USB<\/td>\nUSB 2.0 Full-Speed\/High-Speed OTG<\/td>\n<\/tr>\n
CAN<\/td>\n2x CAN 2.0 A\/B<\/td>\n<\/tr>\n
ADC<\/td>\n2 x 12-bit, 1Msps, 20 channels<\/td>\n<\/tr>\n
\u4ea4\u6d41<\/td>\n8x UART, 4x SSI\/SPI, 6x I2C<\/td>\n<\/tr>\n
\u7535\u6e90\u7535\u538b<\/td>\n3.15V ~ 3.63V<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nTQFP-128 (14x14mm)<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40\u00b0C ~ +105\u00b0C (I3 grade)<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • Integrated Ethernet MAC and PHY for single-chip network connectivity<\/li>\n
  • Floating-point unit (FPU) for efficient signal processing<\/li>\n
  • USB 2.0 OTG with integrated PHY<\/li>\n
  • Dual CAN controllers for automotive and industrial networking<\/li>\n
  • 16-channel DMA controller for peripheral offload<\/li>\n
  • Extended temperature range to +105\u00b0C for harsh environments<\/li>\n
  • On-chip voltage regulators for single-supply operation<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Industrial Ethernet gateways and protocol converters<\/li>\n
    • Building automation controllers<\/li>\n
    • Networked sensor aggregation nodes<\/li>\n
    • Automotive diagnostic equipment<\/li>\n
    • Smart grid energy monitoring<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The TM4C1294KCPDTI3R from Texas Instruments is a Tiva C Series ARM Cortex-M4F microcontroller operating at 120MHz with integrated 10\/100 Ethernet MAC+PHY, USB 2.0 OTG, and dual CAN 2.0 A\/B controllers. It features 512KB Flash, 256KB SRAM, and a comprehensive peripheral set in a 128-pin TQFP package. The I3 suffix denotes extended industrial temperature […]<\/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":[138],"class_list":["post-7012","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-microcontrollers-mcu","chip_brand-ti"],"acf":{"brief_explanation":"120MHz Cortex-M4F MCU with 10\/100 Ethernet MAC+PHY, USB OTG, dual CAN, 512KB Flash, 256KB SRAM in TQFP-128","date_code":"","package_case":"TQFP-128 (14.00 x 14.00 mm)","in_stock":12149,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/tm4c1294kcpdt.pdf","price":"$12.80 @ 1ku","product_introduction":"The TM4C1294KCPDTI3R is a member of the Tiva C Series microcontroller family from Texas Instruments, featuring an ARM Cortex-M4F core running at 120MHz with 512KB of Flash and 256KB of SRAM. Its distinguishing feature is the integrated 10\/100 Ethernet MAC and PHY, enabling single-chip network connectivity without external transceivers. The device also integrates USB 2.0 full-speed\/high-speed OTG with integrated PHY, two CAN 2.0 A\/B controllers, and a comprehensive set of communication peripherals including 8 UARTs, 4 SSI\/SPI ports, and 6 I2C interfaces. The on-chip floating-point unit accelerates signal processing algorithms. The I3 temperature grade extends operation to +105\u00b0C for demanding industrial environments.","working_principle":"The TM4C1294KCPDT operates around the ARM Cortex-M4F processor core with its integrated NVIC and FPU. The bus matrix connects the core to Flash, SRAM, and peripheral modules through multi-layer AHB and APB buses. The integrated Ethernet subsystem includes an IEEE 802.3-compliant MAC with an integrated PHY, connected internally via MII. The USB OTG controller includes an integrated PHY supporting host, device, and OTG modes. Two CAN controllers implement the CAN 2.0 A\/B protocol with hardware message objects. The 16-channel DMA controller can transfer data between any peripheral and memory without CPU intervention. Power management includes on-chip LDO regulators and multiple low-power modes.","pin_description":"
      Pin<\/th>Name<\/th>Function<\/th><\/tr>
      1-4<\/td>PA0-PA3<\/td>GPIO\/UART0\/SSI0<\/td><\/tr>
      5-8<\/td>PE0-PE3<\/td>GPIO\/ADC\/Ethernet LED<\/td><\/tr>
      9<\/td>VDD<\/td>3.3V digital supply<\/td><\/tr>
      10<\/td>GND<\/td>Ground<\/td><\/tr>
      11-14<\/td>PB0-PB3<\/td>GPIO\/USB\/CAN0<\/td><\/tr>
      15-18<\/td>PD0-PD3<\/td>GPIO\/SSI1\/CAN1<\/td><\/tr>
      19-22<\/td>PF0-PF3<\/td>GPIO\/SSI1\/Ethernet<\/td><\/tr>
      23-26<\/td>PG0-PG3<\/td>GPIO\/I2C\/Ethernet<\/td><\/tr>
      27-30<\/td>PH0-PH3<\/td>GPIO\/Ethernet TX\/RX<\/td><\/tr>
      31-34<\/td>PJ0-PJ3<\/td>GPIO\/Ethernet TXCLK\/RXCLK<\/td><\/tr>
      35-38<\/td>PK0-PK3<\/td>GPIO\/ADC\/Ethernet<\/td><\/tr>
      39-128<\/td>PL-PT<\/td>GPIO\/Peripheral functions<\/td><\/tr><\/table>","application_scenarios":"
      • Industrial Ethernet Gateway<\/b>: Integrated MAC+PHY enables single-chip Modbus\/TCP or PROFINET connectivity without external transceivers<\/li>
      • Smart Building HVAC Controller<\/b>: Dual CAN for HVAC bus, Ethernet for BMS integration, extended +105\u00b0C operation<\/li>
      • Networked Sensor Aggregator<\/b>: 8 UARTs connect multiple sensor nodes while Ethernet provides cloud connectivity<\/li>
      • Automotive Diagnostic Tool<\/b>: Dual CAN interfaces for OBD-II and vehicle network analysis with USB host for data export<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
        TM4C129XNCZAD<\/td>TI<\/td>LQFP-212, more GPIO, LCD controller<\/td><\/tr>
        STM32F407VGT6<\/td>ST<\/td>168MHz Cortex-M4, Ethernet MAC only<\/td><\/tr>
        SAM4E16E<\/td>Microchip<\/td>120MHz Cortex-M4, Ethernet MAC+PHY<\/td><\/tr>
        LPC4088FET208<\/td>NXP<\/td>120MHz Cortex-M4, Ethernet MAC+PHY, LCD<\/td><\/tr>
        TM4C1294NCPDTI3R<\/td>TI<\/td>Same without CAN controllers<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/7012","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=7012"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/7012\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=7012"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=7012"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=7012"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=7012"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}