DESCRIPTION

The CS8900A is a low-cost Ethernet LAN Controller optimized for the Industry Standard Architecture (ISA) bus and general purpose microcontroller busses. Its highly integrated design eliminates the need for costly external components required by other Ethernet controllers. The

CS8900A includes on-chip RAM, 10BASE-T transmit and receive filters, and a direct ISA-Bus interface with 24 mA Drivers.

FEATURES

Single-Chip IEEE 802.3 Ethernet Controller with Direct ISA-Bus Interface

Maximum Current Consumption = 55 mA (5V Supply)

3V or 5V Operation

Industrial Temperature Range

Comprehensive Suite ofSoftware Drivers Available

Efficient PacketPage™ Architecture Operates in I/O and Memory Space, and as DMA Slave

Full Duplex Operation

On-Chip RAM Buffers Transmit and Receive Frames

10BASE-T Port with Analog Filters, Provides:

- Automatic Polarity Detection and Correction

AUI Port for 10BASE2, 10BASE5 and 10BASE-F

Programmable Transmit Features:

- Automatic Re-transmission on Collision

- Automatic Padding and CRC Generation

Programmable Receive Features:

- Stream Transfer™ for Reduced CPU Overhead

- Auto-Switch Between DMA and On-Chip Memory

- Early Interrupts for Frame Pre-Processing

- Automatic Rejection of Erroneous Packets

CS8900A属于集成电路（IC） > 控制器。凌云逻辑制造生产的CS8900A控制器该系列产品主要用于在采用不同通信协议和/或信令方法的端点之间提供信息连接。示例包括将 I2C 总线连接到 UART，将 USB 连接到 I2C、SPI、以太网或 UART、以太网 MAC 和 PHY 等的器件。此外，还包括用于通过为点对点通信设计的接口建立多路连接的器件，例如 USB 集线器控制器。