Newland EM1300 Manual descarregar pdf (Página 19)

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Page 10

Mechanical Interface

Interface

Pin Type I/O* Description

PIN 1 Flash Download I Operation Mode Control:

Flash Download Mode – Level Low when engine is »

powered on;

Normal Mode – otherwise. » If useres don’t need the

function, it can be not connected(N/C).

Pin 2 VCC P DC 3.3 ± 0.3V

Pin 3 Ground GND Ground

Pin 4 TXD O RS233 Receiving, TTL

Pin 5 RXD I RS232 Transmission, TTL

Pin 6 Reserved for CTS Reserved for CTS, not implemented

Pin 7 Reserved for RTS Reserved for RTS, not implemented

Pin 8 N/C Not connected

Pin 9 Beeper O Beeper output. Need an external current ampliﬁer.

Pin 10 DLED O Decode LED. Need an external current ampliﬁer.

Pin 11 N/C Not connected

Pin 12 Trigger I Trigger read and decode

* I/O Deﬁnitions: I – Input, O – Output, and P – Power, GND – Ground

Interface Socket Pin Assignment and Deﬁnition

Pin 12

Pin 1

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 135 136

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Newland EM1300 Manual Página 19