Matrix-orbital LCD2041 Legacy Instrukcja Użytkownika Pobierz pdf (Strona 11)

Pin 4 Ground

Pin 3 Rx

Pin 2 Tx

Pin 1 Vdc

Figure 11: Power Connector

2.2.3 TTL communications

The display can be talked to at TTL (logic 0V to +5V) levels. The following three jumps will need to be

modiﬁed as shown in ﬁgure below. This will allow TTL communications through the 4-pin SIP header or

the DB9 connector.

Figure 12: TTL Communications

2.2.4 Conﬁguring RS-232 and I

RS-232 baud rate and I

C address are conﬁgured by means of jumpers.

Matrix Orbital LCD2041 8

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 32 33

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Matrix-orbital LCD2041 Legacy Instrukcja Użytkownika Strona 11