LAN9210-ABZJ - 10/100 Ethernet Controller | Microchip Technology
MPN: LAN9210-ABZJ ✓ AktifLAN9210-ABZJ Ringkasan
An Ethernet controller is a semiconductor that connects an embedded processor or microcontroller to a physical Ethernet network. It combines packet processing, host-bus access, and physical-layer signaling into one device, reducing the number of discrete components required for an embedded Ethernet port. Within the product hierarchy, the LAN9210 is a 10/100 Ethernet controller, an Ethernet interface IC, and a network-connected embedded interface device.
The controller includes large transmit and receive FIFOs for applications experiencing network latency or burst traffic. Its SRAM-like slave interface provides a direct connection to common 16-bit microprocessors and microcontrollers, as well as 32-bit processors that expose a 16-bit external bus. The integrated Checksum Offload Engine automatically handles protocol checksum tasks, reducing host processor overhead during Ethernet packet processing.
HP Auto-MDIX allows the device to support connection polarity and crossover handling automatically. This simplifies cabling in embedded systems because the design does not require separate fixed MDI and MDI-X routing. The LAN9210-ABZJ operates from a 1.7 V to 1.9 V CMOS supply and supports parallel 16-bit data and 7-bit addressing, making it suitable for embedded platforms that cannot accommodate a high-speed serial Ethernet host interface.
Typical uses include industrial control equipment, factory automation controllers, embedded gateways, network management appliances, test equipment, and compact data-acquisition systems. The integrated MAC/PHY arrangement is especially useful where board space is limited but a reliable 10/100BASE-TX connection is required. A suitable processor must provide compatible bus timing, chip-select logic, and sufficient interrupt handling for Ethernet traffic.
When laying out the PCB, follow the manufacturer’s recommended QFN land pattern and thermal-pad via arrangement. The 56-QFN package includes an exposed VSS pad, so electrical and thermal grounding depend on correct pad connection and via placement. Validate signal integrity, supply decoupling, isolation requirements, and connector magnetics against the final board-level design.
This page consolidates the key Ethernet features, sourcing guidance, package constraints, and practical design considerations engineers need when integrating the LAN9210-ABZJ into embedded networking equipment. Use the manufacturer datasheet for the complete register map, electrical limits, timing diagrams, and authoritative pin descriptions.
Pilihan pengganti yang segera untuk LAN9210-ABZJ — sama paket, pin-pin kompatibel. Bahagian paket yang berbeza memerlukan kerja ulang PCB diasingkan.
Varietas dalam siri ini
Model serupa yang kompatibel dengan pengganti yang segera LAN9210-ABZJ (sama faktor bentuk dan kaki) — berbeza dalam Host Interface, Package, Product Type.
LAN9220-ABZJ
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Lihat Datasheet →LAN9210-ABZJ Spesifikasi
| Product Type | Single-chip 10/100 Ethernet controller |
| Ethernet Speed | 10 Mbps and 100 Mbps |
| Maximum Data Transfer Rate | 12.5 Mbps |
| Ethernet Compliance | IEEE 802.3 10BASE-T and IEEE 802.3u 100BASE-TX |
| Host Interface | 16-bit parallel interface |
| External Data Bus Width | 16 bit |
| Address Bus Width | 7 bit |
| Supply Voltage Range | 1.7 V to 1.9 V |
| Integrated Functions | Integrated Ethernet MAC and PHY |
| Auto-MDIX Support | HP Auto-MDIX |
| FIFO Architecture | Large transmit and receive data FIFOs |
| Checksum Processing | Integrated Checksum Offload Engine |
| Host Interface Type | SRAM-like slave interface |
| Bus Compatibility | Non-PCI parallel host bus |
| Kemasan | 56-QFN, 8 x 8 mm |
| Technology | CMOS |
Panduan Konfigurasi Pin LAN9210-ABZJ 56-qfn, 8 x 8 mm
Konfigurasi pin untuk LAN9210-ABZJ (56-qfn, 8 x 8 mm pakai). Penomeran pin, fungsi, dan garis bentuk koneksi ditakrifkan dalam dokumen pengeluar. Rujuk dokumen untuk kebentuk dan pedoman pengasman.
Tiada data garisan pin yang diperoleh untuk LAN9210-ABZJ.
Rujuk kepada lembaran data untuk konfigurasi pin penuh.
Aplikasi Biasa
LAN9210-ABZJ patut untuk 6 aplikasis: Industrial Control Systems, Factory Automation Gateways, Embedded Network Management, Compact Data Acquisition, Test and Measurement Equipment, Remote Sensor Hubs.
Industrial Control Systems
The LAN9210-ABZJ suits compact industrial controllers that require a wired 10/100BASE-TX port without implementing Ethernet MAC and PHY functions in discrete silicon. Its integrated MAC/PHY, 16-bit parallel host interface, and 7-bit address bus connect directly to common embedded processors, while large transmit and receive FIFOs help absorb burst traffic and moderate network latency. The 12.5 Mbps maximum transfer rate is appropriate for supervisory data, configuration traffic, and machine-to-server communications rather than bulk video. Engineers should verify operating-temperature limits, surge requirements, isolation strategy, and connector magnetics during industrial qualification.
Disebarkan
Factory Automation Gateways
The LAN9210-ABZJ provides a practical network path for factory gateways that collect sensor, actuator, and equipment status information. Its 10/100BASE-TX support, HP Auto-MDIX behavior, checksum offload, and SRAM-like slave interface reduce both wiring complexity and host-processing overhead. The 1.7 V to 1.9 V operating range suits compact embedded designs with low-voltage cores. For gateway designs, evaluate processor bus timing, interrupt latency, and Ethernet cable isolation, then implement a controlled impedance layout and compliant magnetics according to the manufacturer hardware guidance.
Disebarkan
Embedded Network Management
The LAN9210-ABZJ is appropriate for embedded management ports used to configure, monitor, or update networked equipment. Its dedicated Ethernet controller architecture gives the host processor a defined parallel register interface while the Checksum Offload Engine handles packet checksums. The controller supports both 10BASE-T and 100BASE-TX, allowing shared infrastructure with common office and automation networks. Designers should reserve bus, interrupt, reset, clock, and crystal resources carefully, and use the manufacturer timing information to establish robust host-bus behavior under maximum Ethernet traffic.
Disebarkan
Compact Data Acquisition
The LAN9210-ABZJ can connect a distributed data-acquisition unit to an Ethernet monitoring system using its integrated MAC/PHY and 10/100BASE-TX operation. The parallel host bus allows sampled data to be packaged by the host while transmit and receive FIFOs isolate the processor from short traffic bursts. Its 12.5 Mbps rate is suitable for supervisory measurements, status packets, and periodic synchronization traffic. For laboratory or industrial deployments, assess the specified environmental range, grounding strategy, galvanic isolation, EMC behavior, and connector filtering rather than assuming that the integrated PHY eliminates external protection requirements.
Disebarkan
Test and Measurement Equipment
The LAN9210-ABZJ provides a practical communications path for programmable instruments that need to exchange commands, results, and diagnostic records over Ethernet. The 16-bit host interface supports efficient register access, while the integrated checksum offload reduces software overhead in measurement-control loops. IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX, and HP Auto-MDIX improve interoperability with laboratory and plant networks. Product-level validation should still address clock accuracy, bus timing, power sequencing, Ethernet transformer selection, return-loss requirements, and isolation where the instrument connects to external cabling.
Disebarkan
Remote Sensor Hubs
The LAN9210-ABZJ is well matched to remote sensor hubs that aggregate measurements and expose them through a wired Ethernet connection. Its low 1.7 V to 1.9 V operating range, parallel host bus, and integrated MAC/PHY support a compact controller design without separate Ethernet PHY components. HP Auto-MDIX simplifies installation when field cabling may use straight-through or crossover connections. The available data rate is more than sufficient for periodic sensor reporting and configuration traffic. Before deployment, verify temperature limits, power-loss behavior, surge exposure, Ethernet isolation, and watchdog recovery for unattended installations.
Disebarkan
Ringkasan Produk Disebarkan
Data referensi kejuruteraan untuk LAN9210-ABZJ — perbandingan, panduan rancangan, dan maklumat kesediaan
Panduan Pilihan
Perbandingan dengan Gantian
| Parametr | Produk Ini | LAN9220-ABZJ |
|---|---|---|
| Package | 56-QFN (8x8) | 56-QFN (8x8) |
| Brand | Microchip Technology | Microchip Technology |
| Ethernet Speed | 10/100BASE-TX | 10/100BASE-TX |
| Host Interface | 16-bit non-PCI parallel interface | 16-bit non-PCI parallel interface |
| Supply Voltage | 1.7 V to 1.9 V | Variable-voltage I/O |
| Auto-MDIX | HP Auto-MDIX | HP Auto-MDIX |
| Integrated MAC and PHY | Yes | Yes |
Penyeberangsung Jelas
- Fixed narrow operating-voltage range (vsLAN9220-ABZJ)
- Established 16-bit parallel integration (vsLAN9220-ABZJ)
- Integrated network-processing hardware (vsLAN9220-ABZJ)
Catatan Desain
Follow the manufacturer’s recommended 56-QFN land pattern and exposed-pad connection exactly. The application note for migrating from LAN9115 specifies a 4 x 4 grid of vias at 60 mil spacing beneath the exposed VSS pad for connection to the ground plane. Preserve thermal-pad copper and maintain short return paths beneath the controller because package heat transfer and high-frequency grounding depend on that geometry.
Route the 16-bit host bus with short, controlled-impedance traces and provide a continuous ground reference. Keep the Ethernet transmit and receive differential pairs away from noisy switching nodes, keep the pair geometry consistent, and minimize stubs and test-pad discontinuities. Review the manufacturer timing diagrams against actual host-bus delay, clock jitter, trace loading, and processor output timing before releasing the layout.
Place the required bypass capacitors close to the controller’s supply and ground pins, with short return paths into the ground plane. Use the manufacturer’s power-up and power-down limits to define reset sequencing between the host processor and LAN9210-ABZJ. Keep the specified 1.7 V to 1.9 V supply range and account for regulator tolerance, inrush, decoupling tolerance, and Ethernet magnetics requirements.
Do not assume that two controllers with similar interface descriptions are automatically interchangeable. Before replacing the LAN9210-ABZJ with the LAN9220-ABZJ, compare every pin, strap option, clock source, supply domain, interrupt, reset behavior, and register difference. A footprint match alone does not guarantee boot compatibility or correct host-bus operation.
Maklumat Kesediaan
The product is an Ethernet interface IC rather than an automotive-qualified device. No specific RoHS, REACH, lead-free, halogen-free, or conflict-minerals declaration was identified for this ordering code.
