Epson SED 1520 Series Especificações descarregar pdf (Página 13)

SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE

MODEL NO: 12232-10

PACIFIC DISPLAY DEVICES 04.25.2012 13

3. OPERATING PRINCIPALS AND METHODS

3.1 LCD Controller Display and Control Functions (SED-1520/ SBN1661G Controller)

Command

R/W

DB7

DB6

DB5

DB4

DB3

DB2

DB1

DB0

Function

Display

ON/OFF

0/1

Switches the entire display ON or OFF,

regardless of the display RAM抯 data

or the internal status.

1 : ON , 0 : OFF

Display Start

Line

Display Start Address

( 0 ~ 31 )

Determines the line of RAM data to be

displayed at the display抯 top line (

COM0 ).

Page Address

Set

Page

( 0 ~ 3 )

Sets the page of the Display RAM in

the Page Address register.

Column

Address Set

Column Address

( 0 ~ 79 )

Sets the column of the Display RAM in

the Column Address register.

Status Read

Reads status.

BUSY

ADC

ON/OFF

RESET

: Ready

: Busy

: Leftward output

: Rightward output

: Display ON

: Display OFF

: Normal

: Reset

Write Display

Data

Display Data

Writes the data on the data bus to

Display RAM. These commands access

a previously-specified address of the

display RAM, after which the column

address is incremented by one.

Read Display

Data

Display Data

Reads the data from the Display RAM

onto the data bus. These commands

access a previously-specified address

of the display RAM, after which the

column address is incremented by one.

ADC Select

0/1

Used to reverse the correspondence

between the Display RAM抯 column

address and segment driver output

ports.

0 : Rightward output

1 : Leftward output

Static Drive

ON/OFF

0/1

Selects normal display operation or

static all-lit drive display operation.

0 : Normal display operation

1 : Static drive ( Power save ) *1

Duty Select

0/1

Select LCD duty cycle.

1: 1/32 , 0: 1/16

Read Modify

Write

Increments the column address counter

by one only when display data is

written but not when it is read.

End

Cancels the Ready Modify Write mode.

Reset

Resets the Display Start Line to the 1st

line in the register. Resets the column

address counter to 0 and page address

*1. Power Save Mode is entered by selecting static drive in the Display OFF status.

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Epson SED 1520 Series Especificações Página 13

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