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ML9092-02 Datasheet(PDF) 47 Page - List of Unclassifed Manufacturers

Part No. ML9092-02
Description  LCD Driver with Key Scanner and RAM
Download  66 Pages
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Maker  ETC2 [List of Unclassifed Manufacturers]
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ML9092-02 Datasheet(HTML) 47 Page - List of Unclassifed Manufacturers

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FEDL9092-01
LAPIS Semiconductor
ML9092-01/02/03/04
47/66
(2) D6 (WLS) (Word Length Select)
1: 6-bit word length select
0: 8-bit word length select
This bit selects the word length of data to be written to and read from the display RAM. If “1” is written to this bit,
data will be read from and written to the display RAM in 6-bit units. If “0” is written to this bit, data will be read
from and written to the display RAM in 8-bit units. This bit is reset to “0” if the
RESET pin is pulled to a “L” level.
(3) D5 (KT) (Key scan time) Key scan time select bit
1: 10 ms
0: 5 ms
This bit selects the key scan cycle time. In the case of a 306 kHz oscillating frequency, writing a “1” to this bit sets
the key scan cycle time at 10 ms (1/3072 divided frequency of the oscillating frequency), writing a “0” sets the key
scan cycle time at 5 ms (1/1536 divided frequency of the oscillating frequency). This bit is set to “1” if the
RESET
pin is pulled to a “L” level.
(4) D4 (SHL) (Common driver shift direction select bit)
This bit selects the shift direction of common drivers.
The relationship between this bit and shift directions are shown below.
This bit is reset to “0” if the
RESET pin is pulled to a “L” level.
SHL
Duty
Shift direction
1/8
COM8
COM1
1/9
COM9
COM1
1
1/10
COM10
COM1
1/8
COM1
COM8
1/9
COM1
COM9
0
1/10
COM1
COM10
(5) D3 (BE) (Voltage doubler operation control bit )
This bit controls the operation of the voltage doubler. (Applies to ML9092-01/02.)
1: Voltage doubler enable
0: Voltage doubler disable
This bit is reset to “0” if the
RESET pin is pulled to a “L” level.
(6) D2 (PE) (General-purpose port output enable/disable select bit)
This bit selects high impedance output or output enable for the general-purpose port outputs A, B, C and D (C and
D apply to ML9092-01 only; B applies to ML9092-01/04).
1: Output enable
0: High-impedance output (output disable)
This bit is reset to “0” if the
RESET pin is pulled to a “L” level.


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