Circuit For Activating The Engine; Circuit For Trigger - Newland EM2037 Series Integration Manual

Embedded 2d barcode scan engine
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Driver Circuit inside Mainboard

Circuit for Activating the Engine

The illustration below shows the circuit of activating the EM2037 from sleep mode. The right part of
Figure 4-8 is the receiving circuit on EM2037 decoder board. The left part of Figure 4-8 is provided for
design reference. The nWAKE signal comes from PIN11 of 12 PIN-FPC.
The host terminal can adjust the external circuit and its functions as per actual needs, but the external
circuit should match the circuit of the decorder board.
Suggested External Driver Circuit

Circuit for Trigger

The illustration below shows the circuit which provides EM2037 with the trigger signal and thus enables a
read. The right part of Figure 4-9 is the receiving circuit on EM2037 decoder board. The left part of Figure
4-9 is provided for design reference. The nTRIG signal comes from PIN12 of 12 PIN-FPC.
The host terminal can adjust the external circuit and its functions as per actual needs, but the external
circuit should match the circuit of the decorder board.
17
Suggested External Driver Circuit
Figure 4-7
Receiving Circuit inside Mainboard
Figure 4-8

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