EM91420 查看數據表（PDF） - ELAN Microelectronics
零件编号
产品描述 (功能)
生产厂家
EM91420
ELAN Microelectronics
EM91420 Datasheet PDF : 24 Pages
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EM91420 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
1000
8
90
1001 1010
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
(Lock state)
1111
clear all display
0001
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
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
0
0
0
1
0
1
1
0
1
0
1
1
1
1
0
0
0
0
0
1
0
1
1
0
1
0
1
1
0
0
0
0
0
1
1
1
1
1
0
0
1
0
bit0
Display
1
1
0
2
1
3
0
4
1
5
0
6
1
7
0
8
1
9
0
0
1
0
1
P
0
0
STORE
0
HOLD
0
Speaker
0
A
1
clear all display
1
Lock
1
RD
* This specification are subject to be changed without notice.
10.1.1997 9
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