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ML9092-01TB Datasheet(PDF) 38 Page - OKI electronic componets

Part # ML9092-01TB
Description  LCD Driver with Key Scanner and RAM
PDF  66 Pages
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Manufacturer  OKI [OKI electronic componets]
Direct Link  http://www.oki.com
Logo OKI - OKI electronic componets

ML9092-01TB Datasheet(HTML) 38 Page - OKI electronic componets

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FEDL9092-01
OKI 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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