usb to rs232

4 years ago

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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 hereenter image description hereenter image description here

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usb to rs232

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usb to rs232

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BOM

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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