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EA9777-2USB Datasheet(PDF) 8 Page - List of Unclassifed Manufacturers |
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EA9777-2USB Datasheet(HTML) 8 Page - List of Unclassifed Manufacturers |
8 / 17 page EA9777-2 Page 8 ELECTRONIC ASSEMBLY reserves the right to change specifications without prior notice. Printing and typographical errors reserved. PORT EXPANSION EA 9777-2PE (included in EA EVALxxx) The optional adapter board EA 9777-2PE expands the Evaluation board with important interfaces: “real“ RS232, RS232 CMOS, RS485, SPI and I²C. The board consists of 5 individual adapter boards, which have to be carefully broken asunder the perforation. Each adapter board has two LEDs two indicate data transfer. In addition there is a DIP-Switch. The adapters intermit the USB connection between Evaluation board and PC and configures the eDIP for the desired interface. Please make sure to reset the display every time you change the interfaces. To reuse the USB connection again, you have to removethe adapter board and reset the display. PIN CONNECTORS OF THE BOARD IN CONNECTION WITH INTERFACE EXPANTION The pin coennectory, you can see on the board EA 9777-2USB provide the repective interfaces. Attention: The following description of pin connectors are only operable if the optional available adapter board EA9777-2PE is mounted. External power supply (e.g. 3.3V): If you want to run the display with an external supply, you have to set the jumper to the right as you can see on the picture above on the right. Please take note of the supply ranges of your eDIP. Internal power supply: If you want to run the display with the power of USB-Interface, you have to change the position of the jumper to the left. POWER SUPPLY Supply by USB External supply |
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