Product Summary

The VT8237R South Bridge is a high integration, high performance, power-efficient, and high compatibility device that supports Intel, AMD, and VIA / Cyrix based processor to PCI bus bridge functionality to make a complete Microsoft PC99-compliant PCI / LPC system.

Parametrics

VT8237R absolute maximum ratings: (1)Storage temperature: min=-55℃, max=125℃; (2)Operating temperature - Case: min=0, max=85℃; (3)Operating temperature - Ambient: min=0, max=70℃; (4)Reference Voltage: min=0, max=5.5Volts; (5)Core Voltage: min=0, max=3.6Volts; (6)Suspend Voltage: min=-0.5 Volts, max=VCC + 0.3 Volts; (7)USB Voltage: min=-0.5 Volts, max=VCC + 0.3 Volts; (8)Hardware Monitor Voltage: min=-0.5 Volts, max=VCC + 0.3 Volts; (9)LAN MII Voltage: min=-0.5 Volts, max=VCC + 0.3 Volts; (10)LAN RAM Voltage: min=-0.5 Volts, max=VCC + 0.3 Volts; (11)PLL Voltage: min=-0.5 Volts, max=VCC + 0.3 Volts; (12)Battery Voltage: min=-0.5 Volts, max=VCC + 0.3 Volts.

Features

VT8237R features: (1)High performance PCI master interface with scatter / gather and bursting capability; (2)Standard MII interface to PHYceiver; (3)1 / 10 / 100 MHz full and half duplex operation; (4)Transmit data buffer byte alignment for low CPU utilization; (5)Separate 2K byte FIFOs for receive and transmit of full Ethernet packets; (6)Flexible dynamically loadable EEPROM algorithm; (7)Physical, Broadcast, and Multicast address filtering using hashing function; (8)Software controllable power down.

Diagrams

VT8237R block diagram

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