S6A0079 データシートの表示（PDF） - Samsung

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S6A0079

34COM/120SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD

Samsung 

34COM/120SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD

Pad (No)

RW (68)

E (69)

DB0-DB3

(70-73)

DB4-DB7

(74-77)

Input/

Output

Input

Input

Input.

Output

Table 2. Pad Description (Continued)

Name

Description

Read/write

Read/write

enable

Read/write selection input.

In RW= "High", read operation.

When RW = "Low", write operation.

Read/write enable signal.

Data bus 0-7

In 8-bit bus mode, used as low order bi-

directional data bus.

During 4-bit bus mode, open these pins.

In 8-bit bus mode, used as high order bi-

directional data bus. In case of 4-bit bus

mode, used as both high and low order.

DB7 used for busy flag output.

S6A0079

Interface

MPU

MPU

MPU

MPU

7

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