EM91440 SERIES

TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE

AND DUAL-TONE MELODY GENERATOR

9

* This specification are subject to be changed without notice.

10.1.1997

SDO Keypad Encoded table:

♦ Digital key (b5,b4=0,0)

keypad

1

2

3

4

5

6

7

8

9

0

“*”/T

#

P

*/“T”

output

b3,b2,b1,b0 0001 0010 0011 0100 0101 0110 0111

1000 1001 1010

1011 1100

1101 1110

Display

1

2

3

4

5

6

7

8

9

0



P

♦ Function key (b5,b4=1,0)

keypad

ST

Hold

HF

A

F

(Lock state)

output

b3,b2,b1,b0

0000

1000

1010

1110

1111

0001

Display

STORE

HOLD

Speaker

A

clear all display

Lock

♦ Function key (b5,b4=1,1)

keypad

RD

output

b3,b2,b1,b0

1101

Display

RD

<Note> : The display of LCD panel “ST”,”Hold”,”HF”,”A”,”RD”, is corresponding to EM32116 with flag types.

∗ Keypad,SDO format and LCD display reference table:

Keypad

bit5

bit4

bit3

bit2

bit1

bit0

Display

10

0

0

0

0

1

1

20

0

0

0

1

0

2

30

0

0

0

1

1

3

40

0

0

1

0

0

4

50

0

0

1

0

1

5

60

0

0

1

1

0

6

70

0

0

1

1

1

7

80

0

1

0

0

0

8

90

0

1

0

0

1

9

00

0

1

0

1

0

0

“*”/T

0

0

1

0

1

1



#0

0

1

1

0

0



P0

0

1

1

0

1

P

*/”T”

0

0

1

1

1

0

ST

1

0

0

0

0

0

STORE

HOLD

1

0

1

0

0

0

HOLD

HF

1

0

1

0

1

0

Speaker

A1

0

1

1

1

0

A

F

1

0

1

1

1

1

clear all display

(Lock state)

1

0

0

0

0

1

Lock

RD

1

1

1

1

0

1

RD