S6A0031 데이터 시트보기 (PDF) - Samsung

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S6A0031

8 COM / 80 SEG DRIVER & CONTROLLER FOR STN LCD

Samsung 

S6A0031 PRELIMINARY SPEC. VER. 0.5

8 COM / 80 SEG DRIVER & CONTROLLER FOR STN LCD

MPU INTERFACE

Table 3. Pin Description (Continued)

Name

I/O

Description

RESETB

I

Reset input

Initialization is performed by "Low" level sensing of the RESETB signal.

CSB

I

Chip selection input

S6A0031 is selected while CSB is "Low".

Register selection input

RS

I

When RS = "Low", instruction register

When RS = "High", data register

RW_WR

In 8080-series MPU interface mode, this pin is connected to WR pin of MPU and is an

active high write signal.

I

In 6800-series MPU interface mode, this pin is connected to R/W pin of MPU.

When RW_WR = "High", read mode

When RW_WR = "Low", write mode

E_RD

In 8080-series MPU interface mode, this pin is connected to RD pin of MPU and is a low

I

enable read signal.

In 6800-series MPU interface mode, this pin is connected to E pin of MPU and enables

read or write command according to RW_WR signal.

DB0 to DB3

When 8-bit interface mode, used as bi-directional data bus DB0 to DB7

I/O During 4-bit bus mode, only DB4 to DB7 are used. In this case DB0 - DB3 pins are

DB4 to DB7

don’ t care (connect to "High", "Low" or open).

LCD DRIVER OUTPUT

Name

I/O

COM1 to

COM8

O

SEG1 to

SEG80

O

TEST

Table 3. Pin Description (Continued)

Description

Common signal output for character display

Segment signal output for character display

Name

TEST

Table 3. Pin Description (Continued)

I/O

Description

Test pin

I

This pin is not used for normal operation and should be connect to "Low".

*NOTE: DUMMY – These pins should be opened (floated).

6

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