BATRON BTHQ 22008VSS-02 User Manual

BTHQ 22008VSS-STF-LED04Y.G.

Nov/2002

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DATA MODUL AG Landsberger Str. 322 80687 München Tel.: [phone] Fax [phone]

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BTHQ 22008VSS-STF-LED04Y.G.

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DOCUMENT REVISION HISTORY 1:

DOCUMENT

REVISION

FROM TO

A 2002.11.12 First Release. PHILIP

DATE DESCRIPTION CHANGED

BY

CHENG

2/12

CHECKED

BY

M.Y.LU

DATA MODUL AG Landsberger Str. 322 80687 München Tel.: [phone] Fax [phone]

www.data-modul.de

BTHQ 22008VSS-STF-LED04Y.G.

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Page No.

1. GENERAL DESCRIPTION 4

2. MECHANICAL SPECIFICATIONS 4

3. INTERFACE SIGNALS 6

4. ABSOLUTE MAXIMUM RATINGS 7

4.1

4.2 ENVIRONMENTAL CONDITION 7

5. ELECTRICAL SPECIFICATIONS 8

5.1 TYPICAL ELECTRICAL CHARACTERISTICS 8

5.2 TIMING SPECIFICATIONS 9

5.3 TIMING DIAGRAM OF VDD AGAINST V0 11

6. CGROM CHARACETR CODE TABLE 12

ELECTRICAL MAXIMUM RATINGS (Ta=25°C)

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CONTENTS

7

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1. General Description

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Specification

of

LCD Module Type

Item No.: BTHQ 22008VSS-02

• 20 characters (5x8 dots) x 2 lines STN Positive Yellow Transflective Dot Matrix LCD module.

• Viewing Angle: 6 O’clock direction.

• Driving scheme: 1/16 Duty, 1/5 bias.

• ’SAMSUNG’ KS0070BP-00CC (Die form) LCD Controller & Driver or equivalent.

• ’SAMSUNG’ KS0065B-PCC (Die form) LCD Segment Driver or equivalent.

• Yellow-green LED04 backlight.

2. Mechanical Specifications

The mechanical detail is shown in Fig. 1 and summarized in Table 1 below.

Table 1

Parameter Specifications Unit
Outline dimensions 146.0(W) x 43.0(H) x 15.0 MAX.(D) mm
Effective viewing area 123.0(W) x 23.0(H) mm
Display format 20 characters x 2 lines ­Character size 4.840(W) x 9.217(H) (5 x 8 dots) mm
Character spacing 1.160(W) x 0.536(H) mm
Character pitch 6.000(W) x 9.753(H) mm
Dot size 0.956(W) x 1.139(H) mm
Dot spacing 0.015(W) x 0.015(H) mm
Dot pitch 0.971(W) x 1.154(H) mm
Weight: Approx. 82 grams

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3. Interface signals

Pin No. Symbol Description

1 VSS Ground(0V).
2 VDD Power supply for logic (+5V)
3 V0 Power supply for LCD driver
4 RS Register Select Input:

5 R/W Read/Write signal:

6 E Enable.

7 DB0 Data input/output (LSB)
8 DB1 Data input/output

9 DB2 Data input/output
10 DB3 Data input/output
11 DB4 Data input/output
12 DB5 Data input/output
13 DB6 Data input/output
14 DB7 Data input/output (MSB)

A LED(+) Anode of LED backlight.
K LED(-) Cathode of LED backlight.

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Table 2

“High” for Data register (for read and write)
”Low” for Instruction register (for write),
Busy flag, address counter (for read)

” High” for Read mode.
“Low” for Write mode.

Start signal for data read /write.

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A
H

V

H

BTHQ 22008VSS-STF-LED04Y.G.

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4. Absolute Maximum Ratings

4.1 Electrical Maximum Ratings(Ta = 25 ºC)

Parameter Symbol Min. Max. Unit
Power Supply voltage (Logic) VDD - VSS -0.3 +7.0 V
Power Supply voltage (LCD drive) VLCD=VDD – V0 -0.3 +15.0 V
Input voltage Vin -0.3 VDD +0.3 V

Note:

The modules may be destroyed if they are used beyond the absolute maximum ratings.

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Table 3

All voltage values are referenced to VSS = 0V.

4.2 Environmental Condition

Operating

Item

mbient Temperature
umidity

ibration (IEC 68-2-6)
cells must be mounted
on a suitable connector

Shock (IEC 68-2-27)

alf-sine pulse shape

Temperature

(Topr)

Min. Max. Min. Max.

0°C +50°C -10°C +60°C
95% max. RH for Ta ≤ 40°C
< 95% RH for Ta > 40°C
Frequency: 10 ∼ 55 Hz

Amplitude: 0.75 mm
Duration: 20 cycles in each direction.
Pulse duration : 11 ms

Peak acceleration: 981 m/s2= 100g
Number of shocks : 3 shocks in 3
mutually perpendicular axes.

Table 4

Storage

Temperature

(Tstg)

Remark

Dry
no condensation

3 directions

3 directions

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5. Electrical Specifications

5.1 Typical Electrical Characteristics

At Ta = 25 °°°°C, VDD = 5V±±±±5%, VSS=0V.

Parameter Symbol Conditions Min. Typ. Max. Unit
Supply voltage (Logic) VDD-VSS 4.75 5.0 5.25 V
Supply voltage (LCD) VLCD

for E,DB0-DB7,R/W,RS.

(Logic & LCD)

Supply voltage of
yellow-green LED04
backlight

Table 5

VDD =5.0V,
=VDD-V0
VIH ”H” level 2.2 - VDD V Input signal voltage
VIL ” L” level -0.3 - 0.6 V
IDD

VLED Forward current

Note1.

Character mode,

Note 1

Checker board

mode, Note 1

Character mode,

Note 1

Checker board

mode, Note 1

=270mA

Number of LED

dies

=2x27

=54.

4.2 4.6 5.0 V

- 1.4 2.1 mA Supply Current

- 1.9 2.9 mA

- 1.0 1.5 mA Supply Current (LCD) I0

- 1.0 1.5 mA

3.9 4.1 4.3 V

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Note (1) : There is tolerance in optimum LCD driving voltage during production and it will be within

the specified range.

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5.2 Timing Specifications

At Ta = 0 °C To +50 °C , VDD = +5V±5%, VSS = 0V.

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Refer to Fig. 2

, the bus timing diagram for write mode.

Table 6

Parameter Symbol Min. Max. Unit Test pin
E cycle time tC 500 - ns E
E rise time tR - 25 ns E
E fall time tF - 25 ns E
E pulse width (High, Low) tW 220 - ns E
R/W and RS set-up time t

40 - ns R/W,RS

SU1

R/W and RS hold time tH1 10 - ns R/W, RS
Data set-up time t

60 - ns DB0-DB7

SU2

Data hold time tH2 10 - ns DB0-DB7

Refer to Fig. 3, the bus timing diagram for read mode .

Table 7

Parameter Symbol Min. Max. Unit Test pin
E cycle time tC 500 - ns E
E rise time tR - 25 ns E
E fall time tF - 25 ns E
E pulse width tW 220 - ns E
R/W and RS set-up time tSU 40 - ns R/W,RS
R/W and RS hold time tH 10 - ns R/W, RS
Data output delay time tD - 120 ns DB0-DB7
Data hold time tDH 20 - ns DB0-DB7

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Figure 2: The bus timing diagram for write mode

Figure 3: The bus timing diagram for read mode .

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5.3 Timing Diagram of VDD against V0.

Power on sequence shall meet the requirement of Figure 4, the timing diagram of VDD against V0.

LOGIC SUPPLY

VOLTAGE

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VDD

95%

0V

0V

LCD SUPPLY

VOLTAGE

Figure 4: Timing diagram of VDD against V0.

V0

50ms(typical)

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6. CGROM Character Code Table

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