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ML9042-xx の電気的特性と機能

ML9042-xxのメーカーはLAPISです、この部品の機能は「DOT MATRIX LCD CONTROLLER DRIVER」です。


製品の詳細 ( Datasheet PDF )

部品番号 ML9042-xx
部品説明 DOT MATRIX LCD CONTROLLER DRIVER
メーカ LAPIS
ロゴ LAPIS ロゴ 




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ML9042-xx Datasheet, ML9042-xx PDF,ピン配置, 機能
LAPIS Semiconductor
ML9042-xx
DOT MATRIX LCD CONTROLLER DRIVER
FEDL9042-01
Issue Date: Nov. 19, 2003
GENERAL DESCRIPTION
The ML9042 used in combination with an 8-bit or 4-bit microcontroller controls the operation of a character type
dot matrix LCD.
FEATURES
Easy interfacing with an 8-bit or 4-bit microcontroller
Switchable between serial and parallel interfaces
Dot-matrix LCD controller driver for a 5 8 dot font
Built-in circuit allowing automatic resetting at power-on
Built-in 17 common signal drivers and 100 segment signal drivers
Two built-in character generator ROMs each capable of generating 240 characters (5 8 dots)
The character generator ROM can be selected by bank switching (ROM1S) pin.
Creation of character patterns by programming: up to 8 character patterns (5 8 dots)
Built-in RC oscillation circuit using external or internal resistors
Program-selectable duties
When ABE bit is “L”: 1/8 duty (1 line: 5 8 dots), or 1/16 duty (2 lines: 5 8 dots)
When ABE bit is “H”: 1/9 duty (1 line: 5 8 dots + arbitrator), or 1/17 duty (2 lines: 5 8 dots + arbitrator)
Cursor display
Built-in bias dividing resistors to drive the LCD
Bi-directional transfer of segment outputs
Bi-directional transfer of common outputs
100-dot arbitrator display
Line display shifting
Built-in voltage multiplier circuit
Gold Bump Chip
ML9042-xx CVWA/DVWA
*xx indicates a character generator ROM code number.
*01, 11 and 21 indicate general character generator ROM code numbers.
CVWA indicates a bump chip with high hardness, and DVWA indicates a bump chip with low
hardness.
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ML9042-xx pdf, ピン配列
LAPIS Semiconductor
I/O CIRCUITS
VDD
P
N
Applied to pins T1, T2, and T3
FEDL9042-01
ML9042-xx
VDD
VDD
P
N
Applied to pins RW/SI, RS1, and
RS0/CSB
Applied to pins E/SHTB, SP, ROM1S, and BE
VDD
P
VDD
P
VDD
N
P
N
Output Enable signal
Applied to pins DB0(SO) to DB7
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3Pages


ML9042-xx 電子部品, 半導体
LAPIS Semiconductor
FEDL9042-01
ML9042-xx
ABSOLUTE MAXIMUM RATINGS
Parameter
Supply Voltage
LCD Driving Voltage
Symbol
VDD
V0, V1, V2,
V3, V4,
Condition
Ta = 25C
Ta = 25C
Rating
–0.3 to +6.5
–0.3 to +6.5
Input Voltage
VI Ta = 25C –0.3 to VDD+0.3
Storage Temperature
TSTG
–55 to +150
(GND = 0 V)
Unit Applicable pins
V VDD
V VOUT, V0, V1, V2, V3A, V3B, V4,
GND
RW/SI, E/SHTB, SP,
V RS0/CSB, RS1, BE,
ROM1S, T1 to T3, DB0(SO)
to DB7, VIN
C —
RECOMMENDED OPERATING CONDITIONS
Parameter
Supply Voltage
LCD Driving Voltage
Voltage Multipler
Input Voltage
Operating Temperature
Symbol
VDD
V0
(See Note)
VMUL
Top
Condition
BE = “1”
Range
2.7 to 5.5
2.7 to 5.5
1.8 to 2.75
–40 to +85
Unit
V
V
V
C
(GND = 0 V)
Applicable pins
VDD
VOUT, V0
VIN
Note: This voltage should be applied across V0 and GND. The following voltages are output to the V1,
V2, V3A (V3B) and V4 pins:
1/4 bias (V2 and V3B are short-circuited)
V1 =3 V0/4 0.15 V
V2 = V3B = V0/2 0.15 V
V4 = V0/4 0.15 V
1/5 bias (V3A and V3B are short-circuited)
V1 = 4 V0/5 0.15 V
V2 = 3 V0/5 0.15 V
V3A = V3B = 2 V0/5 0.15 V
V4 = V0/5 0.15 V
The voltages at the V0, V1, V2, V3A (V3B), V4 and GND pins should satisfy
V0 > V1 > V2 > V3A (V3B) > V4 > GND
(Higher
Lower)
* If the chip is attached on a substrate using COG technology, the chip tends to be susceptible
to electrical characteristics of the chip due to trace resistance on the glass substrate. It is
recommended to use the chip by confirming that it operates on the glass substrate properly.
Trace resistance, especially, VDD and VSS trace resistance, between the chip on the LCD
panel and the flexible cable should be designed as low as possible. Trace resistance that
cannot be very well decreased, larger size of the LCD panel, or greater trace capacitance
between the microcontroller and the ML9042 device can cause device malfunction. In order
to avoid the device malfunction, power noise should be reduced by serial interfacing of the
microcontroller and the ML9042 device.
* Do not apply short-circuiting across output pins and across an output pin and an input/output
pin or the power supply pin in the output mode.
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6 Page



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部品番号部品説明メーカ
ML9042-xx

DOT MATRIX LCD CONTROLLER DRIVER

LAPIS
LAPIS


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