ML9203 データシートの表示（PDF） - Oki Electric Industry

部品番号

コンポーネント説明

メーカー

ML9203

5 x 7 Dot Character x 16-Digit x 2-Line Display Controller/Driver with Character RAM

Oki Electric Industry 

¡ Semiconductor

ML9203-xx

Description of Commands and Functions

1. DCRAM data write

(Specifies the address of DCRAM and writes the character code of CGROM and CGRAM.)

DCRAM (Data Control RAM) has a 4-bit address to store character code of CGROM and

CGRAM.

The character code specified by DCRAM is converted to a 5¥7 dot matrix character pattern via

CGROM or CGRAM.

(The DCRAM can store 16 characters.)

[Command format]

1st byte

(1st)

LSB

B0 B1 B2 B3

X0 X1 X2 X3

2nd byte

(2nd)

LSB

B0 B1 B2 B3

C0 C1 C2 C3

B4 B5

10

B4 B5

C4 C5

MSB

B6 B7

0 0/1

MSB

B6 B7

C6 C7

0: Select DCRAM_A

1: Select DCRAM_B

: selects DCRAM data write mode and specifies DCRAM

address

(Ex: Specifies DCRAM address 0H)

: specifies character code of CGROM and CGRAM

(written into DCRAM address 0H)

To specify the character code of CGROM and CGRAM continuously to the next address, specify

only character code as follows.

The addresses of DCRAM are automatically incremented. Specification of an address is

unnecessary.

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