Document
LCD TC2004A-05
Best.Nr. 120 690
4-zeiliges STN-Display mit integriertem Controller und weißer LED-Hintergrundbeleuchtung. Es können pro Zeile 20 Zeichen dargestellt werden. Geeignet zum Betrieb am PC-Druckerport (LPT).
INTERFACE PIN FUNCTIONS
Pin No.
Symbol
Level
Description
1 VSS 0V Ground.
2 VDD
+5.0V Power supply for logic operating.
3 V0 -- Adjusting supply voltage for LCD driving.
A signal for selecting registers:
4 RS
H/L 1: Data Register (for read and write)
0: Instruction Register (for write), Busy flag-Address Counter (for read).
5 R/W
H/L
R/W = “H”: Read mode. R/W = “L”: Write mode.
6E
H/L An enable signal for writing or reading data.
7 DB0
H /L
8 DB1
H/L
9 DB2
H/L
10 DB3 11 DB4
H/L H/L
This is an 8-bit bi-directional data bus.
12 DB5
H/L
13 DB6
H/L
14 DB7
H/L
15 LED+ +5.0V Power supply for backlight.
16 LED- 0 V
The backlight ground.
ABSOLUTE MAXIMUM RATINGS ( Ta = 25°C )
Parameter Supply voltage for logic Supply voltage for L.