Sharp R-32STM Bedienungsanleitung Seite 5

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Seitenansicht 4
TC2004A-01
Ver.V00 2009-07-07 www.tinsharp.com
- 5 -
INTERFACE PIN FUNCTIONS
ABSOLUTE MAXIMUM RATINGS ( Ta = 25 )
Parameter Symbol Min Max Unit
Supply voltage for logic VDD -0.3 +7.0 V
Supply voltage for LCD Vo 0 VDD +0.3 V
Input voltage VI -0.3 VDD +0.3 V
Normal Operating temperature TOP -20 +70
Normal Storage temperature TST -30 +80
Note: Stresses beyond those given in the Absolute Maximum Rating table may cause operational errors or
damage to the device. For normal operational conditions see AC/DC Electrical Characteristics.
DC ELECTRICAL CHARACTERISTICS
Parameter Symbol Condition Min T
YP
. Max Unit
Supply voltage for logic VDD -- 4.8 5.0 5.2 V
Supply current for logic IDD -- -- 183 200 mA
-10
25
4.5 4.7
4.9 V
Operating voltage for LCD VLCD
+60
Input voltageHlevel VIH -- 0.7 VDD -- VDD+0.3 V
Input voltage “L” level VIL -- 0 -- 0.2VDD V
LED BACKLIGHT CHARACTERISTICS
COLOR
Wavelength
λp(nm)
Operating
Voltage(±0.15V)
Spectral line half
width Δλ(nm)
Forward Current
(mA)
Yellow-green -- 4.2 -- 180
NOTE: Do not connect +5V directly to the backlight terminals. This will ruin the backlight.
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.
4 RS H/L
A signal for selecting registers:
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.
6 E H/L An enable signal for writing or reading data.
7 DB0 H/L
8 DB1 H/L
9 DB2 H/L
10 DB3 H/L
11 DB4 H/L
12 DB5 H/L
13 DB6 H/L
14 DB7 H/L
This is an 8-bit bi-directional data bus.
15 LED+ +5.0V Power supply for backlight.
16 LED- 0V The backlight ground.
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