参数资料
型号: USB-RS485-PCBA
厂商: FTDI, Future Technology Devices International Ltd
文件页数: 7/17页
文件大小: 0K
描述: MOD USB RS485 EMBEDDED CONV PCB
产品培训模块: USB-UART Interface Solutions
产品目录绘图: TTL-232R
标准包装: 10
系列: USBmadeEZ-UART
类型: USB 至 RS-485
连接器类型: USB-A 至 PCB
产品目录页面: 633 (CN2011-ZH PDF)
其它名称: 768-1043

Document Reference No.: FT_000120
USB to RS485 UART Serial Converter PCB Datasheet
Version 1.2
Clearance No. FTDI#80
4
USB-RS485-PCB Connector Pin Out and Mechanical details
TOP
BOTTOM
RED
LED
GRN
LED
FT232R
RS 485
Transceiver
Resistor
Termination 1
Resistor
Termination 2
5V
Data-
Data+
GND
USB-RS485-PCB Rev 1
RED
5V
TOP
LED
GND
GRN
LED
RS 485
Transceiver
Data -
Data +
120 ? Resistor
Termination 1
BOTTOM
FT232R
120 ? Resistor
Termination 2
GND
5V
USB-RS485-PCB Rev 2
Figure 4.1 USB-RS485-PCB Pin Out (Top is TOP View, Bottom is BOTTOM View)
The mechanical details of the PCB are shown in the following diagram Figure 4.2
Additional pads were added to the PCB to allow for easier wiring which resulted in a Rev 2 PCB. There
were no other changes between Rev 1 and Rev 2.
Copyright ? 2011 Future Technology Devices International Limited
6
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