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PDF ML2002 Data sheet ( Hoja de datos )
| Número de pieza | ML2002 | |
| Descripción | Static/Half Duty LCD COG Driver | |
| Fabricantes | MINILOGIC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ML2002 (archivo pdf) en la parte inferior de esta página. Total 29 Páginas | ||
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ML2002 Preliminary
ML2002 Series Static/Half Duty LCD COG Driver with Real Time Clock
Application
Features
General Purpose Clock
High quality instrument
Telephone, mobile phone
Automotive
Handheld Device like PDA, MP3, or
PMP
AGold Bump Chip
Logic & LCD power supply: 2.0V to 6.0V
Static or 1/2 Duty driving
Number of segments: (Static) 48, (1/2 Duty) 96
Cascading structure to increase the number of driving
segments.
Build in Real time clock
Simple 2 pin serial interface for command and data transfer.
Build-in LCD voltage driver, crystal oscillator,
internal RC oscillator and display control circuit.
Offer best contrast and widest viewing angle of TN LCD
technology.
No temperature compensation needed for Topr = -40oC to 80oC.
General Description
ML2002 (COG) LCD driver can be cascaded to increase the number of segments drive, with Static
driving it can form a single piece of 48 (1 ICs) or 96 (2 ICs cascaded) segments driver. With 1/2 Duty, the
number of segment drive would be doubled. It targets at custom TN LCD COG Module product which
requireswww.DataSheet4U.com the best quality of TN LCD technology and small to medium number of segment display.
ML2002 series driver offers the best contrast, the widest viewing angle, the widest range of operating
voltage and temperature when compared to the high duty cycle driver. EMI and Noise protection circuit
has been added which tailor made for COG application. A real time clock has been built-in to target at the
large LCD clock, watch or any handheld device.
Ordering Information
Part Number
ML2002-1U
ML2002-2U
ML2002-3U
ML2002-4U
Description
One ML2002 LCD driver
Two ML2002 LCD driver
Three ML2002 LCD driver
Four ML2002 LCD driver
Package Form
Gold Bump Die
Gold Bump Die
Gold Bump Die
Gold Bump Die
P1/29
Preliminary, April 2007
1 page  
ML2002 Preliminary
ii) Oscillator
The LCD driving signal of ML2002 is clocked either by the built-in oscillator, crystal oscillator or from
an external clock.
a) Internal clock
When the internal oscillator is used, BIOEN should be connected to GND and the OOUT should be
connected to FIN. The internal oscillator will oscillate at 32 kHz and the frequency is independent in the
range of 2.5V < VDD < 6.0V . Then connect OOUT to FIN.
b) Crystal clock
When using the crystal oscillator, BCOEN is connected to GND, then connect
the crystal to OSC+, and OSC-. Then connect OSC- to FIN. The OSC+ and
OSC- should connect as:
c) External clock
When using an external clock, BCOEN & BIOEN is connected to VDD then connects the external clock
to FIN.
iii) Timing
ML2002 have several frequencies of clock signal for the users to choose for the LCD display clock (ie.
LCLK) and the blink clock (ie.BCLK). They include the following clock signals:
Frequency of Clock Signal at FIN = 32 kHz
256/128 Hz
128/64 Hz
4 Hz
2 Hz
1 Hz
Actual Divider of FIN
1/256(1/2 Duty) or 1/128(Static)
1/128(1/2 Duty) or 1/64(Static)
1/8192
1/16384
1/32768
Target Input Pin
LCLK
BCLK
iv) Segment outputs
ML2002 has 48 segment outputs which should be connected directly to the LCD. If less than 48 segments
a re required, the unused segments should be left open circuit.
v) Common outputs
ML2002 consists of 2 common signals (ie. COM1A & COM1B). The common outputs should be left
open-circuit if the outputs are unused. Users can disable the COM1A and COM1B by connecting the
CEN1A and CEN1B to VDD, respectively. The common outputs will change to GND after disabling it.
vi) Blink
ML2002 has a blink function that users shall connect BEN to GND and input the blink clock (ie. BCLK)
either by connecting ML2002 output clock signal from Frequency Divider or an external clock signal.
Users shall disable blink function by connecting BEN to VDD.
P5/29
Preliminary, April 2007
5 Page 
ML2002 Preliminary
4. Half-Duty Slave Mode with External Clock and 1/2PVDD for Low Power Consumption
P11/29
Preliminary, April 2007
11 Page | ||
| Páginas | Total 29 Páginas | |
| PDF Descargar | [ Datasheet ML2002.PDF ] | |
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