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PDF LS012B4DG01 Data sheet ( Hoja de datos )
| Número de pieza | LS012B4DG01 | |
| Descripción | LCD Module | |
| Fabricantes | Sharp | |
| Logotipo |  |
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LCD Module Application Information
LS012B4DG01
Application Information for Sharp’s LS012B4DG01 Memory LCD
Sharp Microelectronics of the Americas
INTRODUCTION
This Application Note provides additional design
assistance for Sharp’s LS012B4DG01 Memory LCD.
This module is a transflective, monolithic active-matrix
liquid crystal module utilizing Sharp’s CG-silicon thin-
film transistor process. Operating from a single 3 V
supply, it offers high performance and power efficiency
for compact display applications, with a serial interface
for simple integration.
Subjects covered will be:
• Mechanical Specifications, including dimension
drawings and connector specifications
• Absolute Maximum Ratings
• Optical Specifications, including view angles, reflec-
tivity, contrast, and risetime
• Electrical Characteristics, including interfacing and
signal timing information
• Design Notes
• Manufacturing Information, including handling and
storage
• Reliability Information
This Note is based on Sharp’s document number
LCP-2111006 and is designed to provide supplemen-
tary information for the Specifications for this part.
Always refer to the latest Specifications when
designing with these devices.
FEATURES
• Reflective monochrome panel
• Normally White (reflective)
• Square pixels
• 1.17-inch screen with 184 × 38 resolution
• 3-wire serial interface
• Screen data is arbitrarily renewable by line
• Built-in, 1-bit internal memory in each pixel
• Super low power consumption TFT panel
• RoHS compliant
Application Information
1
1 page  
LS012B4DG01 Application Information
LCD Modules
OPTICAL SPECIFICATIONS
PARAMETER
Viewing Angle CR 5
H
V
Contrast Ratio
Reflectivity Ratio
Chromaticity
White
SYMBOL
21, 22
11
12
CR
R
x
y
MIN.
50
50
50
18
12
NOTES:
1. Viewing Angle is described as clock positions: 12 = 12 o’clock,
11 = 6 o’clock, 21 = 3 o’clock, 22 = 9 o’clock. See Figure 3.
2. Contrast Ratio, Reflectivity Ratio, and Chromaticity are measured
through the use of an integrating sphere. See Figure 4.
TYP.
60
60
60
22
15
0.31
0.33
MAX.
UNIT
° (degrees)
° (degrees)
° (degrees)
%
Ta = 25°C
NOTES
1
1
1
2
2
2
2
Normal Line
Coated Surface
(Optical Diffusion Treatment)
Photo Detector
(with Luminosity
Correction System)
Normal
Δθ22
Δθ11
Δθ21
Δθ12
12 o’clock
Diffused Diffused
Light
Light
6 o’clock
LS012B4DG01-13
Figure 3. Viewing Angle
Beam
(Via Optical Fiber)
Center of Display
LCD Module
LS012B4DG01-14
Figure 4. Setup for Contrast, Reflection Ratio, and
Chromaticity
Application Information
5
5 Page 
LS012B4DG01 Application Information
LCD Modules
twSCSH
SCS
tsSCS
SI M0 M1 M2 DMY DMY DMY DMY DMY CA0 CA1 CA2 CA3 CA4 CA5 DMY DMY D1 D2
tsSI
thSI
twSCLKL
twSCLKH
D183 D184 DMY
Dummy Data
DMY (Don’t Care) CA0 CA1
CA5 DMY DMY D1 D2
SCLK
Mode Selection Period
(3ck+5ckDMY)
Column AddressPeriod
(6ck+2ckDMY)
Data Writing Period
(184ck)
Dummy Data
Period
(8ck)
Data Transfer Period
(8ck(Dummy)+6ck(address)+2ck(Dummy) = 16ck)
Data Writing
Period
(184ck)
CA 1st Line
CA 2nd Line
twSCSH
twSCSL
Dummy Data
DMY DMY (Don’t Care) CA0 CA1
CA5 DMY DMY D1
D184 DMY DMY
Dummy Data
(Don’t Care)
thSCS
Dummy Data
Period (8ck)
Data Transfer Period
(8ck(Dummy)+6ck(address)+2ck(Dummy) = 16ck)
CA(n-1)th line
CA (n)th line
Data Writing Dummy Data
Period (184ck) Period (8ck)
Data Transfer Period
(16ck)
Figure 8. Dynamic Mode Timing Diagram, Writing Multiple Lines
LS012B4DG01-7
twSCSH
twSCSL
SCS
tsSCS
SI M0 M1 M2 DMY DMY DMY DMY DMY CA0 CA1 CA2 CA3 CA4 CA5 DMY DMY D1 D2
tsSI
thSI
SCLK
twSCLKL
twSCLKH
D183 D184 DMY
thSCS
Dummy Data
DMY (Don’t Care)
Mode selection period (3ck+5ckDMY)
Column address period (6ck+2ckDMY)
Data writing period (184ck)
Data data period
(8clk) Data transfer period (16ck)
Figure 9. Dynamic Mode Timing Diagram, Writing a Single Line
LS012B4DG01-6
Application Information
11
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet LS012B4DG01.PDF ] | |
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