EM91403 SERIES
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
AND DUAL-TONE MELODY GENERATOR
1
0
1
bit 0
bit2
data bits
bit3
bit4
bit5
0
bit1
stop bits
start bits
ready
SDO Keypad Encoded table:
♦ Digital key (b5,b4=0,0)
keypad
output
1
2
3
4
5
6
7
8
9
0
“*”/T
#
P
*/”T”
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
F
output
b3,b2,b1,b0
1111
clear all display
Display
Keypad,SDO format and LCD display reference table:
Keypad
bit5
bit4
bit3
bit2
bit1
bit0
Display
1
0
0
0
0
0
1
1
2
3
4
5
6
7
8
9
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
1
1
1
1
0
0
0
0
1
1
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
2
3
4
5
6
7
8
9
0
0
“*”/T
#
P
P
*/”T”
F
clear all display
* This specification are subject to be changed without notice.
10.1.1997
9
ELAN [ ELAN MICROELECTRONICS CORP ]
