ML9092-02 View Datasheet(PDF) - LAPIS Semiconductor Co., Ltd.
Part Name
Description
MFG CO.
'ML9092-02' PDF : 66 Pages View PDF
LAPIS Semiconductor
FEDL9092-01
ML9092-01/02/03/04
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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