EM91403 SERIES
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
AND DUAL-TONE MELODY GENERATOR
EM91403
Pin Assignment
EM91403BP
EM91403AP
1
2
20
19
18
17
16
15
14
13
12
11
COL5
COL4/KT
COL3
COL2
COL1
XIN
HDO
PO
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
COL5
COL4/KT
COL3
HDO
PO
3
ROW4
ROW3
ROW2
ROW1
HKS
ROW4
ROW3
ROW2
ROW1
HKS
4
COL2
5
COL1
6
XIN
7
XOUT
XMUTE
VSS
XOUT
XMUTE
VSS
8
VDD
DTMF
HFO
VDD
9
DTMF
10
HFI
EM91403DK
EM91403CK
NC
COL5
COL4/KT
COL3
COL2
COL1
XIN
1
2
24
23
22
21
20
19
18
17
16
15
14
13
SDO
NC
COL5
COL4/KT
COL3
COL2
COL1
XIN
1
2
22
21
20
19
18
17
16
15
14
13
12
SDO
HDO
HDO
PO
3
PO
3
4
ROW4
ROW3
ROW2
ROW1
HKS
4
ROW4
ROW3
ROW2
ROW1
HKS
5
5
6
6
7
7
XOUT
XMUTE
VSS
8
XOUT
XMUTE
VSS
8
9
VDD
9
VDD
DTMF
HFO
10
11
12
DTMF
HFO
10
11
HFI
HFI
DRING
RMUTE
Keyboard Arrangement
COL1
COL2
COL3
COL4/KT
COL5
ROW1
1
4
2
5
8
0
3
6
9
#
HD
F
EM1
EM2
EM3
ST
ROW2
ROW3
ROW4
7
*/T
RD/P
* This specification are subject to be changed without notice.
10.1.1997
2
ELAN [ ELAN MICROELECTRONICS CORP ]
