GENERAL DESCRIPTION

The VSC055 Enhanced I2C Backplane Controller is an integrated CMOS circuit that significantly reduces system cost by integrating all of the digital logic typically required to monitor a storage enclosure.

FEATURES

► Up to 64 Bits of 5 Volt Tolerant, User-definable, Bi-directional

General Purpose I/O

► Slave mode I2C serial interface

► Integrated Port Bypass, Clock Recovery and Signal Detect Support

for up to 16 Drive Ports

► Eight Programmable Fan Speed Monitoring Inputs

► Eight Programmable Pulse Width Modulated Fan Control Outputs

► Pairing of GPI/O Pins for Direct Input/Output Signal Routing/Buffering

► Selectable Direct LED Drive Flashing Capability

► Pin-programmable Addressing for up to 16 Devices on a Single Serial Bus

APPLICATIONS

► Any Embedded Control Application Including:

- SCSI and Fibre Channel JBODs or SBODs

- Disk Arrays

- RAID Subsystems

- Servers

- Telecommunication Equipment