2178-4PGA                     Description

The 3M™ Fiber Optic Splice Closure 2178 family provides excellent system flexibility for both existing and new fiber deployments. Products in the 2178 family are industryproven. The flexible design and common accessories allow you to maintain a reduced inventory, which can save time and money

2178-4PGA                    Applications

· USB to RS232/RS422/RS485 Converters

· Upgrading Legacy Peripherals to USB

· Utilising USB to add system modularity

· Incorporate USB interface to enable PC

transfers for development system

communication

2178-4PGA                    features

· Single chip USB to asynchronous serial data

transfer interface.

· Entire USB protocol handled on the chip. No USB

specific firmware programming required.

· Fully integrated 2048 byte multi-timeprogrammable (MTP) memory, storing device

descriptors and CBUS I/O configuration.

· Fully integrated clock generation with no external

crystal required plus optional clock output selection

enabling a glue-less interface to external MCU or

FPGA.