EM91440 데이터 시트보기 (PDF) - ELAN Microelectronics
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EM91440 Datasheet PDF : 24 Pages
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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
1234567
output
b3,b2,b1,b0 0001 0010 0011 0100 0101 0110 0111
Display
1234567
8 90
1000 1001 1010
8 90
“*”/T #
1011 1100
P */“T”
1101 1110
P
♦ Function key (b5,b4=1,0)
keypad
ST
Hold
output
b3,b2,b1,b0 0000 1000
Display
STORE HOLD
HF
1010
Speaker
A
1110
A
F
1111
clear all display
(Lock state)
0001
Lock
♦ Function key (b5,b4=1,1)
keypad
output
b3,b2,b1,b0
Display
RD
1101
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
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
9
0
0
0
“*”/T
0
#
0
P
0
*/”T”
0
ST
1
HOLD
1
HF
1
A
1
F
1
(Lock state)
1
RD
1
bit4 bit3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
0
1
0
1
0
1
0
1
0
0
1
1
bit2 bit1 bit0
Display
0
0
1
1
0
1
0
2
0
1
1
3
1
0
0
4
1
0
1
5
1
1
0
6
1
1
1
7
0
0
0
8
0
0
1
9
0
1
0
0
0
1
1
1
0
0
1
0
1
P
1
1
0
0
0
0
STORE
0
0
0
HOLD
0
1
0
Speaker
1
1
0
A
1
1
1
clear all display
0
0
1
Lock
1
0
1
RD
* This specification are subject to be changed without notice.
10.1.1997 9
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