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HM485 Datasheet(PDF) 2 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Part # HM485
Description  RS-485/RS-422 Transceivers
PDF  10 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  HMSEMI [Shenzhen Huazhimei Semiconductor Co., Ltd]
Direct Link  http://www.hmsemi.com/
Logo HMSEMI - Shenzhen Huazhimei Semiconductor Co., Ltd

HM485 Datasheet(HTML) 2 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

  HM485 Datasheet HTML 1Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM485 Datasheet HTML 2Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM485 Datasheet HTML 3Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM485 Datasheet HTML 4Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM485 Datasheet HTML 5Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM485 Datasheet HTML 6Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM485 Datasheet HTML 7Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM485 Datasheet HTML 8Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM485 Datasheet HTML 9Page - Shenzhen Huazhimei Semiconductor Co., Ltd Next Button
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图 2 产品应用示意图
 
 
产品功能表 
 
表
1 发送
输入 
输出 
RE 
DE 
DI 
Z 
Y 
X 
1 
1 
0 
1 
X 
1 
0 
1 
0 
0 
0 
X 
High‐Z 
High‐Z 
1 
0 
X 
High‐Z 
High‐Z 
X =  无关  
High‐Z =  高阻  
 
 
表
2 接收
输入 
输出 
RE 
DE 
A‐B 
RO 
0 
0 
≥+0.2 
1 
0 
0 
≤‐0.2 
0 
0 
0 
输入开路 
1 
1 
0 
X 
High‐Z 
X =  无关  
High‐Z =  高阻  
 
 
HM485
RS-485/RS-422 Transceivers 



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