Matrix-orbital MOP-GL12232D Manual do Utilizador descarregar pdf (Página 5)

Instructions

Outline

The MOP-GL12232D is controlled using a standard SED1520 compliant controller. The display is enabled

by pulling the Enable (E) pin high, communication to and from the device is controlled by pulling the

Read/Write (R/W) line high or low respectively, and the unit may be reset at power up by pulling the

reset (RST) line low. Using Register Select (RS), either the data register or command register is selected

by toggling RS high or low respectively.

Before any data is read or written, the status of the display controller should be read. This is

accomplished by setting RS low, R/W high, E high, and reading the status byte that appears on the data

lines. Each bit of the status word indicates a specific condition, outlined below.

Table 3: Status Bits

Bit

Description

Status

Unused.

Reset.

0:Normal, 1:Reset.

Display On/Off.

0:Display On, 1:Display Off.

Display Data Direction.

0: Counter-CW, 1: Clockwise.

Busy status.

0:Ready, 1:Busy.

Instruction Table

Table 4: Parallel Instruction Table

Instruction

Control

Instruction Code

R/W

DB7

DB6

DB5

DB4

DB3

DB2

DB1

DB0

Display On

Display Off

Display Start Line

Start Line

Set (X) Page

X Page

Set (Y) Address

Y Address

Status Read

Busy

ADC

On/Off

Reset

Write Display Data

Write Data

Read Display Data

Read Data

Counter-CW Display Data

Clockwise Display Data

Static Drive On

Dynamic Drive On

Set Data Auto Write

End Data Auto Write

Reset

1 2 3 4 5 6 7 8 9

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