RS485
来自Jack's Lab
（版本间的差异）
(→X) |
小 (→MAX485) |
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| 第16行： | 第16行： | ||
* MAX485_PIN1 --- ARM9_CORE_J2_69_RXD0 | * MAX485_PIN1 --- ARM9_CORE_J2_69_RXD0 | ||
* MAX485_PIN2 & 3 --- ARM9_CORE_J1_69_PC30 | * MAX485_PIN2 & 3 --- ARM9_CORE_J1_69_PC30 | ||
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| + | [[文件:Max485.gif | 800px]] | ||
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2017年5月13日 (六) 12:25的版本
目录 |
1 Overview
2 Hardware
2.1 MAX485
Need B0505 DC-DC and PS2501
- RS485_1_A+ --- MAX485_PIN6
- RS485_1_B- --- MAX485_PIN7
- MAX485_PIN4 --- ARM9_CORE_J2_68_TXD0
- MAX485_PIN1 --- ARM9_CORE_J2_69_RXD0
- MAX485_PIN2 & 3 --- ARM9_CORE_J1_69_PC30
2.2 ADM2483
Also need the B0505 DC-DC
2.3 ISO3082
Also need the B0505 DC-DC
2.4 ADM2587
