Newland EM3000 Spécifications télécharger pdf (Page 20)

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Page 11

Mechanical Interface

Interface(24PIN-12PIN)

12-Pins End of Flexible Cable Pin Assignment and Definitions

Pin Function

Pin 12 Reserved，No Connection

Pin 11 Power Supply，VDD：3.3V

Pin 10 Ground

Pin 9 Serial input port, TTL level

Pin 8 Serial output port, TTL level

Pin 7 Reserved，No Connection

Pin 6 Reserved，No Connection

Pin 5 Reserved，No Connection

Pin 4 Beeper output. If not sufficient current for LED, extra driving circuit is needed

Pin 3 LED indicator output. If not sufficient current for bepper, extra driving circuit is needed

Pin 2 EM3000 Restart signal, pull low longer than 100 μs to restart

Pin 1 Trigger signal, pull low longer than 20ms to initiate reading

Pin 1

Pin 12

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Newland EM3000 Spécifications Page 20