资料介绍
RS485使用手册与指南广州周立功单片机发展有限公司 Tel:(020)38730977 38730977 Fax:38730925 http://www.zlgmcu.com
目 录
第1章 RS-485 选型及应用指南 .........................................................................1
1.1 RS-232/422/485 标准 ...............................................................................................1
1.1.1 RS-232 标准 .....................................................................................................2
1.1.2 RS-422/485 标准 ..............................................................................................2
1.2 RS-485/RS-422 芯片 .....................................................................................