EA9777-3

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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 coennectors, you can see on the board EA 9777-3USB provide the repective interfaces.

Attention:

The following description of pin connectors are only operable if the optional

available adapter board EA9777-2PE is mounted.