EM91440 SERIES
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
AND DUAL-TONE MELODY GENERATOR
SDO Keypad Encoded table:
♦
Digital key (b5,b4=0,0)
keypad
1
2
3
4
5
6
7
output
b3,b2,b1,b0 0001 0010 0011 0100 0101 0110 0111
Display
1
2
3
4
5
6
7
♦
Function key (b5,b4=1,0)
keypad
ST
Hold
output
b3,b2,b1,b0
0000
1000
Display
STORE HOLD
♦
Function key (b5,b4=1,1)
keypad
RD
output
b3,b2,b1,b0
1101
Display
RD
8
9
0
“*”/T
#
P
*/“T”
1000 1001 1010
8
9
0
1011 1100
1101 1110
P
HF
1010
Speaker
A
1110
A
F
1111
clear all display
(Lock state)
0001
Lock
<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
1
2
3
4
5
6
7
8
9
0
“*”/T
#
P
*/”T”
ST
HOLD
HF
A
F
(Lock state)
RD
bit5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
bit4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
bit3
0
0
0
0
0
0
0
1
1
1
1
1
1
1
0
1
1
1
1
0
1
bit2
0
0
0
1
1
1
1
0
0
0
0
1
1
1
0
0
0
1
1
0
1
bit1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
0
1
1
1
0
0
bit0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
0
0
0
1
1
1
Display
1
2
3
4
5
6
7
8
9
0
P
STORE
HOLD
Speaker
A
clear all display
Lock
RD
* This specification are subject to be changed without notice.
10.1.1997
9
EMC [ ELAN MICROELECTRONICS CORP ]
