EM91450 SERIES
TONE/PULSE DIALER WITH LCD INTERFACE
AND I.P.P. DETECT FUNCTION
EM91450
Pin Assignment
EM91450BP
EM91450AP
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
COL4/KT
COL3
COL2
COL1
XIN
PO
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
COL4/KT
COL3
COL2
COL1
XIN
PO
ROW4
ROW3
ROW2
ROW1
HKS
ROW4
ROW3
ROW2
ROW1
HKS
XOUT
XMUTE
VSS
XOUT
XMUTE
VSS
VDD
VDD
DTMF
HFO
DTMF
HFI
EM91450DK
EM91450CP
SDO
COL4/KT
COL3
1
2
22
21
20
19
18
17
16
15
14
13
12
HDO
SDO
COL4/KT
COL3
COL2
COL1
XIN
1
2
20
19
18
17
16
15
14
13
12
11
HDO
PO
PO
3
ROW4
ROW3
ROW2
ROW1
HKS
3
ROW4
ROW3
ROW2
ROW1
HKS
COL2
4
4
COL1
5
5
XIN
6
6
XOUT
XMUTE
VSS
7
XOUT
XMUTE
VSS
7
8
VDD
8
VDD
DTMF
HFO
9
DTMF
HFO
9
HFI
10
11
HFI
10
DRING
RMUTE
Keyboard Arrangement
COL1
COL2
COL3
COL4/KT
ROW1
ROW2
ROW3
ROW4
1
4
2
5
8
0
3
6
9
#
HD
F
7
*/T
RD/P
* This specification are subject to be changed without notice.
2.10.1999
2
ELAN [ ELAN MICROELECTRONICS CORP ]
