EA DIP122-5

Page 2

Specifications may be changed without

prior notice. Printing error reserved

PINOUT

CONTROLLER PT6520

Graphic modules of EA DIP122-5 series do have 2 controller PT6520 (or

compatible) built in: One for the left half of display and the other for the right

one. From 61 columns each 0..60 are used only.

PT6520 do not have any character mode, so all character has

to be set by graphic. Many different fonts are optionally

available on disk with part numer EA DISKFONT1520.

A detailed description for all commands and interface timing

Instructions

Code

Function

A0 RD WR D7 D6 D5 D4 D3 D2 D1 D0

Display ON/OFF

0

1

0

1

0

1

0

1

1

1 0/1 Turns Display on or off. 0=OFF; 1=ON;

Display start line

0

1

0

1

1

0

Display start

address (0 - 31)

Specifies RAM line corresponding to top

of display.

Set page address

0

1

0

1

0

1

1

1

0

Page

(0-3)

Sets display RAM page.

Set Column address

0

1

0

0

Column address (0 - 79)

Sets display RAM column address.

Read Status

0

0

1

B

U

S

Y

A

D

C

O

N

/

O

F

F

R

E

S

E

T

0

0

0

0

Read the following status:

BUSY:

ADC:

ON/OFF:

RESET:

1=Busy;

1=CW output;

1=Display off;

1=Being reset;

0=Ready;

0=CCW output;

0=Display on;

0=Normal;

Write display data

1

1

0

Write data

Writes data into display RAM.

Read display data

1

0

1

Read data

Reads data from display RAM.

Select ADC

0

1

0

1

0

1

0

0

0

0 0/1 0=CW output; 1=CCW output;

Static drive ON/OFF

0

1

0

1

0

1

0

0

1

0 0/1

Selects static driving operation.

0=Normal driving; 1=Static drive;

Select duty

0

1

0

1

0

1

0

1

0

0 0/1 Select duty cycle. 0=1/16; 1=1/32;

Read-Modify-Write

0

1

0

1

1

1

0

0

0

0

0 Read-modify-write ON

End

0

1

0

1

1

1

0

1

1

1

0 Read-modify-write OFF

Reset

0

1

0

1

1

1

0

0

0

1

0 Software reset.

Pin Symbol Level Function

Pin

Symbol Level Function

1

VSS

L

Power supply 0V (GND)

10

D3

H / L

Display Data

2

VDD

H

Power supply +5V

11

D4

H / L

Display Data

3

VEE

-

Contrast adjustment (-4 V)

12

D5

H / L

Display Data

4

A0

H / L

Command / Data

13

D6

H / L

Display Data

5

R/W

H / L

H=Read, L=Write

14

D7

H / L

Display Data, MSB

6

E1

H

Enable left side

15

E2

H

Enable right side

7

D0

H / L

Display Data, LSB

16

RES

L

Reset

8

D1

H / L

Display Data

17

A

-

LED Backlit+ (external RV !)

9

D2

H / L

Display Data

18

C

-

LED Backlit -

ATTENTION

handling precautions!