Section 5

JT-EASY to SoftBaugh Evaluation Systems Connection Details

Connection between JT-EASY and SoftBaugh Evaluation Systems

NOTE

SoftBaugh Evaluation Systems/Boards usually have a jumper to complete the connection from the on-board battery or power-in connector and the PC-Board VCC connection point. This jumper must be removed to prevent contention or possible damage to JT-EASY on-board voltage regulator.

NOTE

To prevent unwanted bending of the FFC grasp it near the exposed end-fingers, or the hard-plastic backing. It is best to partially insert one corner of the FFC end into the connector first, before squaring the edge to complete the insertion.

Insert one end of the 8-wire FFC-type cable into JT-EASY (J3) connector (make sure to start cable insertion from pin #10, labeled TVIN) and insert other end of cable into the SoftBaugh Evaluation System connector. J3 is the small vertical connector located near header J2.

Please note that even if the to/from pin number differs between the two connectors, the physical connection will be the same as long as both ends of the cable are facing the same way (up or down). When JT-EASY is connected to a board equipped with a top-contact type connector, like SoftBaugh evaluation systems have, both ends of the cable exposed end-fingers must be facing up.

FFC/FPC pin-numbering convention

EMBEDDEDkits uses FFC/FPC-type dual-contact connectors on both JT-EASY and the M-Series Modules, so cable orientation is never a problem. In addition, for our Modules and Evaluation Boards, we have adopted the standard convention for connector pin-numbering, where the pin number increases from left to right. By using this convention, the schematic pin #1 label coincides with the actual pin #1 marking of the connector, thus avoiding any potential confusion or erroneous connection.

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