R
EM6121
Copyright
2006, EM Microelectronic-Marin SA
Subject to change without notice
Rev. A, 06/06
Phone: +41.32.755-5111, Fax: +41.32.755-5403
www.emmicroelectronic.com
info@emmicroelectronic.com
26, 18, 10 & 2 MUX LCD Controller and Driver
Character Generator ROM and RAM inside
Description
EM6121 is controller and driver for character monochrome
for TN and STN LCD displays. The driving capability is
26 rows x 80 columns (3x16, 2x24 or 1x48 rows of
16 characters + 160 icons) addressed by I
2
C or 3-wire
interface. The chip includes a character generator CGROM
of 240 characters and CGRAM of 16 characters. V
LCD
internally generated up to 9.35V without external
components or with external capacitors.
Key Features
OTP
Character Generator ROM and RAM
No external components
Lower power with external capacitors option
I
2
C and 3-wire interfaces
Vertical Scrolling of 1, 2 or 3 lines of characters
Horizontal Scrolling of 1 line of characters
Partial or icon Display programmable
LCD voltage digitally programmable 3V to 9V
Selectable x4, x3, x2 multiplier factor for V
LCD
Selectable Bias voltages:
1/3, 1/3.5, 1/4, 1/4.5, 1/5, 1/5.5, 1/6
Supply voltage from low 1.8V up to 3.3V
True Low Current:
I
HV
= 30/60A
I
DD
= 15A (active)
I
DD
= 1A (sleep)
Temperature compensation of V
LCD
(4 coefficients)
Oscillator for LCD refresh on chip
Intermediate bias voltage generation on chip
Available in die with/without gold bumps, COG, COF
and COB
& BENEFITS
Flexibility and easy to design-in
Uniformity of contrast of all dies in production
Usable with a wide range of modules
No flickering
Ideal for portable and mobile phones applications
Save PCB space
Cost effective
Character Sets
Alphanumeric
Japanese, Chinese on request
Typical Applications
DECT and Mobile phones
Point-of-sale terminals
Desktop displays
Smart cards
Portable, battery operated products
Balances and scales, utility meters
Printers
Fax
EM MICROELECTRONIC -
MARIN SA
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