ML9209 Ver la hoja de datos (PDF) - Oki Electric Industry

Número de pieza

componentes Descripción

Fabricante

ML9209

Vacuum fluorescent display tube controller driver

Oki Electric Industry 

OKI Semiconductor

FEDL9209-01

ML9209-xx

FUNCTIONAL DESCRIPTION

Command List

Command

LSB

First byte

MSB LSB

Second byte

MSB

B0 B1 B2 B3 B4 B5 B6 B7 B0 B1 B2 B3 B4 B5 B6 B7

1 DCRAM data write X0 X1 X2 X3 1 0 0 0 C0 C1 C2 C3 C4 C5 C6 C7

C0 C1 C2 C3 C4 C5 C6 C7 2nd byte

2 CGRAM data write X0 X1 X2 X3 0 1 0 0

C8 C9 C10 C11 C12 C13 C14 C15 3rd byte

XXXX

3 ADRAM data write 0 1 2 3 1 1 0 0 C0 C1 * * * * * *

5 Display duty set

D0 D1 D2 D3 1 0 1 0

6 Number of digits set K0 K1 K2 K3 0

1

1

0

* : Don’t care

Xn : Address setting for each RAM

7

All display lights

ON/OFF

L H * * 1 1 1 0 Cn : Character code setting for each RAM

Dn : Display duty setting

Others (test mode)

Kn : Setting of the number of display digits

H : All display lights ON setting

L : All display lights OFF setting

When data is written to RAM (DCRAM, CGRAM, and ADRAM) continuously, addresses are internally

incremented automatically. Therefore it is not necessary to specify the 1st byte to write RAM data for the 2nd

and subsequent bytes.

Note: The test mode is used for inspection before shipment. It is not a user function.

Positional Relationship Between SEGn and ADn (one digit)

C0

SEG1

C1

SEG2

C15

SEG16

C9

SEG10

C14

SEG15

C13

SEG14

C10

SEG11

C11

SEG12

C5

SEG6

C4

SEG5

C0–7: Corresponds to the 2nd byte of the CGRAM data write

command.

C8–15: Corresponds to the 3rd byte of the CGRAM data write command.

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