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Description
Electronic Component Model: AX88172ATFProduct Category: IC ChipsThe AX88140A Fast Ethernet Controller is a high-performance and highly integrated PCI Bus Ethernet Controller chip. It is a cost-effective solution for PCI add-in adapters, PC motherboards, or bridge/hub applications. This controller chip implements both 10Mbps and 100Mbps Ethernet function based on the IEEE802.3 LAN standard. It contains a high-speed 32-bit PCI Bus master interface to the host CPU. The AX88140A has two large independent transmit and receive FIFOs to efficiently buffer the Ethernet packet. The 10/100Mbps ports can be programmed to support 10Mbps, 100Mbps media-independent interface (MII), or 100BASE-TX physical coding sub-layer (PCS) mode. For 10Mbps operation, AX88140A provides a standard serial interface to the external 10Mbps ENDEC chip.
Specifications and features
The AX88140A is a single-chip PCI bus Fast Ethernet Controller. It has a direct interface to PCI bus and supports both 10Mbps and 100Mbps data rate. Full or half duplex operation is supported for both 10Mbps and 100Mbps operation. It provides a MII port for both 10/100Mbps operation. The AX88140A also has on-chip PCS support for 100BASE-TX symbol mode operation and an on-chip external 10Mbps ENDEC Interface. It supports 21MHz to 33MHz no wait state PCI Bus Interface and has two large independent FIFOs for transmit and receive, eliminating the need for additional on-board buffer memory. The controller chip also features an interface to serial ROM for Ethernet ID address and jumper-less board design. It supports 256KB boot ROM and has on-chip general-purpose programmable registers and I/O pins. The AX88140A supports unlimited PCI burst and has external and internal loop-back capability. It also supports early interrupts on transmit and has a powerful on-chip buffer management DMA and PCI Bus master operation to reduce CPU utilization. The AX88140A is compatible with IEEE 802.3u 100BASE-T, TX, and T4. It is available in a 160 pin or 144 pin PQFP package and is manufactured using 5V CMOS process.
Application Scenarios
The AX88140A Fast Ethernet Controller is suitable for various applications including PCI add-in adapters, PC motherboards, and bridge/hub applications. It can be used in systems where a high-performance and cost-effective Ethernet solution is required.
Comparison
Advantages- High-performance and highly integrated
- Cost-effective solution for Ethernet applications
- Supports both 10Mbps and 100Mbps data rate
- Full or half duplex operation supported
- Provides a MII port for both 10/100Mbps operation
- Compatible with IEEE 802.3u 100BASE-T, TX, and T4
- Supports external and internal loop-back capability
- Powerful on-chip buffer management DMA and PCI Bus master operation
Disadvantages- Limited package options available
- Requires an external 10Mbps ENDEC chip for 10Mbps operation
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Datasheet
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- Datasheet: Download AX88172ATF
- Chipdatas Part: CD94-AX88172ATF
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
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- Last Updated: 2024/06/03 15:58 +0800
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