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Here you'll find information about data transmission protocols and standards.
Below are downloads for application notes from the National Semiconductor web site.
For access to their full list of application notes go here.

 APPLICATION NOTES

 

DOCUMENT

DESCRIPTION

 

AN-108

Transmission line characteristics.

 

AN-216

Summary of well known standards.

 

AN-409

RS485 Standard.

 

AN-759

Comparing RS422 and RS485 drivers and receivers in milti drop mode.

 

AN-806

Data Transmission lines and their characteristics.

 

AN-808

Long transmission lines and data signal quality.

 

AN-847

Failsafe biasing of differential buses.

 

AN-914

Understanding RS232 applications.

 

AN-916

Cable selection - A practical guide.

 

AN-917

Popular connector pin assignments for data communication.

SOFTWARE

PRODUCT

FILES

DESCRIPTION

CE0041   Current Firmware files
CE0067/68 CP210x_VCP_Win2K_XP_S2K3 USB SERIAL DRIVERS for WINDOWS 2K/XP(SP2)
CE0067/68 CP210x_VCP_Win98SE USB SERIAL DRIVERS for WINDOWS 98SE
CE0067/68 linux_VCP_driver USB SERIAL DRIVERS for LINUX
WIDGET FTDI VCP driver USB SERIAL DRIVERS for WINDOWS XP/VISTA



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