LAN9217-MT 10/100 Ethernet Controller | Microchip Technology
MPN: LAN9217-MT ✓ Hoạt độngLAN9217-MT Tóm tắt
An Ethernet controller is an interface IC that manages frame processing, host access, and physical network signaling. In the product hierarchy, the LAN9217 belongs to Ethernet controllers, interface ICs, networking semiconductors, and embedded connectivity solutions. Its integrated PHY reduces external circuitry while its 16-bit MII interface supports common embedded processor buses and reduces the host-side I/O burden compared with narrower parallel interfaces.
Key verified features include a nominal 1.8 V supply, commercial-grade operation up to 70 degrees Celsius, 10/100 Base-T and Base-TX support, and HP Auto-MDIX. The controller is designed for embedded systems requiring low CPU overhead, flexible integration, and controlled system cost. The 100-pin TQFP package provides the complete mixed-signal Ethernet interface while permitting standard surface-mount assembly.
According to the Microchip manufacturer datasheet, the LAN9217 architecture integrates the PHY and controller functions and can interface with most 16-bit embedded CPUs. This combination makes it suitable for industrial controllers, embedded servers, network bridges, test equipment, and communications equipment that already have a parallel bus rather than an SPI Ethernet interface.
Typical deployments include factory automation controllers, embedded network appliances, industrial instrumentation, serial-to-network gateways, and compact control systems. The Auto-MDIX function supports automatic pair detection, reducing installation friction where straight-through or crossover cabling may occur. Integrated 10/100 support lets the system negotiate its Ethernet rate through Auto-Negotiation rather than requiring two external physical interfaces.
When integrating the LAN9217-MT, pay close attention to the complete 100-pin assignment, 16-bit MII timing, required clocks, magnetics, external component recommendations, and exposed-pad layout in the manufacturer datasheet. The verified excerpts do not provide enough information to reproduce the full reference circuit or pin names, so these implementation details should not be inferred from the interface description alone.
Bộ thay thế dễ dàng lắp đặt cho LAN9217-MT — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Không có bộ thay thế dễ dàng lắp đặt sẵn có cho sản phẩm này.
Yêu cầu các bộ thay thếLAN9217-MT Thông số kỹ thuật
| Product Type | 10/100 Ethernet controller with integrated PHY |
| Ethernet Data Rate | 10/100 Mb/s |
| Host Interface | 16-bit parallel MII |
| Supported Ethernet Modes | 10/100 Base-T/Base-TX |
| Auto-MDIX Support | HP Auto-MDIX |
| Nominal Supply Voltage | 1.8 V |
| Maximum Operating Temperature | 70 degrees Celsius |
| Temperature Grade | Commercial grade |
| Hộp | 100-TQFP, 14 x 14 mm |
| Kiểu lắp đặt | Surface mount |
| Số chân | 100 pins |
| Integrated PHY | Yes |
| CPU Overhead | Low CPU overhead |
| Driver Compatibility | Driver-, register-, and footprint-compatible with previous-generation LAN9118 Family devices |
Hướng dẫn cấu hình chân LAN9217-MT 100-tqfp, 14 x 14 mm
Cấu hình chân cho LAN9217-MT (100-tqfp, 14 x 14 mm gói). Số thứ tự chân, chức năng và sơ đồ kết nối được xác định trong tài liệu thông số kỹ thuật của nhà sản xuất. Tham khảo nó để biết footprint và hướng dẫn hàn chính xác.
Không có dữ liệu chân cụ thể sẵn có cho LAN9217-MT.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
LAN9217-MT phù hợp cho 6 Áp dụngs: Embedded Network Interface, Industrial Automation Controller, Network Print and Imaging Appliance, Serial-to-Ethernet Gateway, Test and Measurement Instrument, Embedded Audio and Control System.
Embedded Network Interface
The LAN9217-MT fits an embedded processor platform that already exposes a 16-bit parallel bus and requires direct access to 10/100 Mb/s Ethernet. Its integrated PHY, 16-bit MII interface, and low-overhead architecture avoid separating the physical layer from the host-facing controller. The 100-TQFP package is larger than many serial Ethernet options, but it offers strong host-bus bandwidth and deterministic parallel signaling. Designers should allocate the complete MII bus, clocks, interrupts, reset controls, and required magnetics according to the Microchip data sheet.
Được đề xuất
Industrial Automation Controller
The LAN9217-MT is suitable for factory equipment that must expose process data over 10/100 Ethernet while retaining local control through an embedded MCU. Its 10/100 Mb/s support accommodates common industrial Ethernet infrastructure, while HP Auto-MDIX simplifies cabling where straight-through or crossover wiring may occur. The device must be assessed against the controller's temperature range and EMC requirements; the verified LAN9217-MT listing specifies commercial grade operation to 70 degrees Celsius rather than an industrial temperature designation.
Được đề xuất
Network Print and Imaging Appliance
The LAN9217-MT can provide a dedicated network path for embedded printers, scanners, and imaging controllers that exchange larger control or image-related data over Ethernet. The 16-bit MII interface gives the host-side design substantial bus bandwidth, and the integrated PHY consolidates the physical layer into one controller package. Deployment still depends on correctly implementing Ethernet magnetics, termination, isolation or grounding requirements, and the data-sheet reference layout to avoid signal-integrity and compliance problems.
Được đề xuất
Serial-to-Ethernet Gateway
The LAN9217-MT is appropriate for a gateway that converts a legacy serial or fieldbus interface into a 10/100 Ethernet endpoint. The host processor can use the parallel MII interface while a separate UART, SPI, or serial transceiver handles the field-side protocol. The controller's low-CPU-overhead architecture can benefit gateway workloads, but software must still implement routing, protocol conversion, buffering, diagnostics, and network-security functions. Commercial-grade temperature limits must be checked against the enclosure environment.
Được đề xuất
Test and Measurement Instrument
The LAN9217-MT can serve as the Ethernet interface in an embedded data-acquisition or test instrument that must transfer measurements to a host PC or laboratory network. The 10/100 Mb/s rate provides broad compatibility, and the 16-bit MII interface can support deterministic packet transfer through the instrument's embedded processor. Product designers must isolate external interfaces carefully, provide the prescribed Ethernet magnetic coupling, and validate timing and electromagnetic performance with the complete system rather than only with the integrated circuit.
Được đề xuất
Embedded Audio and Control System
The LAN9217-MT can connect embedded control hardware that needs command, status, logging, or synchronization traffic over Ethernet. The controller is appropriate when the MCU or DSP already has sufficient parallel I/O and deterministic timing resources; it does not itself process application protocols or audio data. Firmware must isolate real-time control functions from packet processing and should use efficient drivers and buffering. The 10/100 Mb/s link and Auto-MDIX support simplify integration, while package size and commercial-grade temperature limits remain important enclosure constraints.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho LAN9217-MT — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này |
|---|---|
| Package | 100-TQFP, 14 x 14 mm |
| Brand | Microchip Technology |
| Ethernet Data Rate | 10/100 Mb/s |
| Host Interface | 16-bit parallel MII |
| Integrated PHY | Yes |
| Auto-MDIX | HP Auto-MDIX |
| Nominal Supply Voltage | 1.8 V |
| Maximum Operating Temperature | 70 degrees Celsius |
| Temperature Grade | Commercial grade |
| Confirmed Unit Price | $32.1930 from LCSC as of 2026-10-22 |
Bảo phân biệt quan trọng
- Dedicated parallel host connectivity (vsLAN9221)
- Existing LAN9118 migration path (vsLAN9211)
- High-performance Auto-MDIX support (vsGeneric parallel Ethernet controllers)
Ghi chú thiết kế
Implement the Ethernet network path as a controlled, short, reference-plane-aware layout rather than treating the PHY and MII pins like ordinary low-speed GPIO. Follow every pin assignment, component placement, via, and plane-connection instruction in the Microchip LAN9217 data sheet. The supplied excerpts do not expose the complete reference schematic or exposed-pad pattern, so those details must be downloaded directly rather than reconstructed from generic Ethernet examples.
Design the 1.8 V nominal supply rail with the exact DC, ripple, sequencing, and decoupling requirements specified by the manufacturer. Check the selected external magnetics and magnetics-side circuitry against the device's documented power and current assumptions. Do not infer current limits or regulator topology from the interface category; those values are marked as needed because the verified excerpts do not provide the relevant electrical table.
Route the 16-bit MII interface as a coherent parallel bus with consistent grounding, length-aware timing, and minimized discontinuity. Validate rise time, fall time, setup and hold margins against the host clocking scheme. Although 10BASE-T and 100BASE-TX are the supported link rates, correct MII timing remains essential at the controller-to-host boundary; use scope-based verification when board density or cable interfaces create concerns.
Do not treat LAN9221 or LAN9211 as automatic drop-in upgrades. Microchip provides separate migration documentation for each, and the available cross-reference evidence reports pin changes for LAN9221 and a different package plus required PCB changes for LAN9211. Review the exact application note, schematic differences, firmware driver changes, and board-layout implications before replacing LAN9217-MT in production.
Thông tin tuân thủ
The supplied verified excerpts do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. No compliance claim has been inferred from the distributor listings.
