F81438 Datasheet, PDF (3/20 Pages) Feature Integration Technology Inc. – Single 5V RS232/RS422/RS485 Multiprotocol

Table of Content
F81438
1 General Description................................................................................................................................................. 4
2 Feature List.............................................................................................................................................................. 4
3 Pin Configuration ..................................................................................................................................................... 5
4 Pin Description ........................................................................................................................................................ 5
5 Function Description................................................................................................................................................ 7
5.1 Mode Selection ............................................................................................................................................. 7
5.2 Mode Description.......................................................................................................................................... 8
5.2.1 Pure RS-232 (Mode 01) ............................................................................................................................ 8
5.2.2 RS-485 Driver Half Duplex (Mode 10) ...................................................................................................... 9
5.2.3 RS-485 Receiver Full Duplex (Mode 11) .................................................................................................. 9
5.2.4 Pure RS-422 Full Duplex (Mode 00) ....................................................................................................... 10
6 Electrical Characteristics Request ........................................................................................................................ 11
7 Ordering Information ............................................................................................................................................. 18
8 Top Marking Specification ..................................................................................................................................... 18
9 Package Spec. ...................................................................................................................................................... 19
10 Application Circuit.................................................................................................................................................. 20
Jan, 2012
V0.11P