BU9728 데이터 시트보기 (PDF) - ROHM Semiconductor

부품명

상세내역

제조사

BU9728

For 128～ 140 Segment type LCD, LCD Segment Driver

ROHM Semiconductor 

● DETAIL OF COMMANDS (BU9728AKV)

There is the following thing in the command (The 8×n clock of SCK is C/D= "H".) of BU9728AKV.

◯ ADDRESS SET

MSB

LSB

0 0 0AAAAA

Address data shown as AAAAA by the binary system is set on the address counter.

Address does +2 every time indication data input (for 8bit) completes input.

◯ DISPLAY ON

MSB

LSB

001* * * * *

*:Don't Care

There are no relations with the contents of the display data RAM (DDRAM).

And all display is turned on. In this case, the contents of DDRAM don't change.

◯ DISPLAY OFF

MSB

LSB

010* * * * *

*:Don't Care

There are no relations with the contents of the display data RAM (DDRAM).

In this case, the contents of DDRAM don't change.

◯ DISPLAY START

MSB

LSB

011* * * * *

*:Don't Care

It will be started to oscillate and to display in accordance with the contents of DDRAM.

◯ REWRITING OF THE DISPLAY DATA RAM (DDRAM)

MSB

LSB

1 0 0 * DDDD

*:Don't Care

The binary four bits data DDDD are written in DDRAM.

A writing address is address ordered by the address set command.

Then, after this command is carried out, an address does + 1 automatically.

◯ RESET

MSB

LSB

110* * * * *

*:Don't Care

Please execute this command first after Power on. It will be initialized as follow conditions;

・ Display OFF

・ Address counter reset

6/23

Share Link: