Manual

RS485 CAN Shield User Manual
2
Rev: V1.4, Date: May 19
th
2015
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Contents
Overview ..................................................................................................................................................... 1
1. Hardware Description ........................................................................................................................ 3
1.1. Chip Pins Feature ................................................................................................................... 3
1.1.1. MAX3485 .................................................................................................................. 3
1.1.2. SN65HVD230 ............................................................................................................ 4
2. How to use ......................................................................................................................................... 4
2.1. Preparations .......................................................................................................................... 4
2.2. Description of Jumper settings on Xnucleo .......................................................................... 4
2.3. Working principle .................................................................................................................. 5
2.3.1. Sending side program description............................................................................ 6
2.3.2. Receiving side program description ......................................................................... 7
2.3.3. Operating phenomenon ........................................................................................... 8