UM0375

STR9 LCD extension

5/9

Any LCD (3.3 or 5 V) which is compatible with this pinout can be used. Software adaptation

for each type of LCD is required.

-

P97

DB7

-

DB5

-

DB7

-

DB5

RST

-

SW15

A

P35

DB6

2-3

DB6

1-2

CS1

2-3

DB6

2-3

RW

2-3

SW16

K

P36

DB7

2-3

DB7

1-2

CS2

2-3

DB7

2-3

DI

2-3

SW17

A

P37

A

1-2

A

1-2

RST

2-3

RST

2-3

E

2-3

SW18

K

Vee

K

1-2

K

1-2

Vee

2-3

Vee

2-3

Vee

2-3

-

A

-

-

-

-

A-A-

A

-

SW20

-

K

-

-

-

-

K

2-3

K

2-3

K

2-3

SW35

GND

Vee

GND

1-2

GND

1-2

Vee

2-3

Vee

2-3

Vee

2-3

Table 1.

Extension board configuration according to LCD types (continued)

SWITCH POS.

CONF. A

CONF. B

CONF. C

CONF. D

CONF. E

NAME

1-2

2-3

PIN

SW

PIN

SW

PIN

SW

PIN

SW

PIN

SW

Table 2.

Supported displays (provided by ELATEC)

Configuration

Displays

CONF. A

TEXT: EL0801x, EL0802x, EL1601x, EL1602x,

GRAPHIC: EL16032x

CONF. B

GRAPHIC: EL12232A

CONF. C

GRAPHIC: EL12864A

CONF. D

GRAPHIC: EL12864B

CONF. E

GRAPHIC: EL12864H

1.

* Not all LCD displays have a 20-pin connector. If these cases, the board should be connected from the left-most pin

(viewed from top). This may leave some pins unconnected, noting that A / K are not obligatory.