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ML9092-02 Datasheet(PDF) 38 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) 38 Page - List of Unclassifed Manufacturers

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FEDL9092-01
LAPIS Semiconductor
ML9092-01/02/03/04
38/66
Serial Interface Operation
 Instruction code
A register that transfers display data, key scan data, etc. according to the content of the instruction code is selected
(see below).
D7
D6
D5
D4
D3
D2
D1
D0
“1”
“1”
R/W
Register number
(1) D7, D6 (fixed at “1”)
When selecting the start byte register, always write a “1” to bits D7 and D6.
(2) D5 (R/W) (Read mode/write mode select bit)
1: Read mode is selected
0: Write mode is selected
(3) D4 to D0 (Register number)
The correspondence between the start byte contents and the registers and display data RAM is shown in the table
below.
D7
D6
D5
D4
D3
D2
D1
D0
Register name
1
1
0
1
0
0
0
0
Key scan register
1
1
1
1/0
0
0
0
1
Display data RAM
1
1
0
0
0
0
1
0
X address register
1
1
0
0
0
0
1
1
Y address register
1
1
0
0
0
1
0
0
Port A register
1
1
0
0
0
1
0
1
Port B register
1
1
0
0
0
1
1
0
Port C register
1
1
0
0
0
1
1
1
Port D register
1
1
0
0
1
0
0
0
Control register1
1
1
0
0
1
0
0
1
Control register 2
1
1
1
0
1
0
1
0
Rotary encoder register
1
1
0
0
1
0
1
1
Contrast ADJ register
1
1
0
0
1
1
0
0
PWM0 register
1
1
0
0
1
1
0
1
PWM1 register
1
1
0
0
1
1
1
0
PWM2 register


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