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STD usb to rs232
Mode: Editors' pick
- 2
Update time：
2021-04-12 07:22:53
Creation time：
2016-04-25 00:51:39
Description
USB TO RS232
USB TO 232 是将USB协议转换成RS232协议。
系统先采用FT232rl芯片将USB转换成TTL通信协议，再将TTL利用MAX232芯片转换成RS232协议。
![enter image description here][1]
![enter image description here][2]
![enter image description here][3]
[1]: /editor/20160511/5732e1d6c2182.JPG
[2]: /editor/20160511/5732e1dbc4dd3.JPG
[3]: /editor/20160511/5732e1e221891.JPG
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | MAX232 | U1 | SO016 | 1 |
| 2 | 1uf | C1,C2,C3,C4,C5 | C0603 | 5 |
| 3 | DB9 | R1 | DB9 | 1 |
| 4 | IC-FT232RL-VER2 | U2 | SSOP-28 | 1 |
| 5 | 4.7uf | C8,C9,C10 | C1206 | 3 |
| 6 | Header 4 | P2 | USB-A | 1 |
| 7 | 510 | R3,R4 | R0603 | 2 |
| 8 | LED2 | DTX,DRX,D2 | l-0603 | 3 |
| 9 | 20 | R5 | R0603 | 1 |
| 10 | Header 3 | P4 | jumper | 1 |
| 11 | 10K | R6,R7 | R0603 | 2 |
| 12 | 500 | R8 | R0603 | 1 |
| 13 | 104 | C11 | C0603 | 1 |
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