2178-4PGA Description
The 3M™ Fiber Optic SpliceClosure 2178 family providesexcellent system flexibility forboth existing and new fiberdeployments. Products inthe 2178 family are industryproven. The flexible design andcommon accessories allow youto 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.
