em91401

Manufacturer Part Numberem91401
DescriptionTone/pulse Switchable Dialer With Lcd Interface And Dual-tone Melody Generator
ManufacturerELAN Microelectronics Corp
em91401 datasheet
 
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EM91401
Pin Assignment
EM91401AP
1
COL4/KT
2
COL3
3
COL2
4
COL1
5
XIN
6
XOUT
7
XMUTE
8
VSS
EM91401CP
SDO
1
COL4/KT
2
COL3
3
COL2
4
COL1
5
XIN
6
XOUT
7
XMUTE
8
VSS
9
HFI
10
Keyboard Arrangement
ROW1
ROW2
ROW3
ROW4
* This specification are subject to be changed without notice.
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
AND DUAL-TONE MELODY GENERATOR
COL4/KT
16
PO
COL3
15
ROW4
COL2
14
ROW3
13
COL1
ROW2
12
XIN
ROW1
XOUT
11
HKS
XMUTE
10
VDD
VSS
9
DTMF
HFI
EM91401DK
SDO
20
HDO
COL4/KT
19
PO
COL3
18
ROW4
COL2
17
ROW3
COL1
16
ROW2
XIN
15
ROW1
XOUT
14
HKS
XMUTE
13
VDD
VSS
12
DTMF
HFI
11
HFO
DRING
COL1
COL2
COL3
COL4/KT
1
2
3
HD
4
5
6
7
8
9
*/T
0
#
RD/P
EM91401 SERIES
EM91401BP
1
18
PO
2
17
ROW4
3
16
ROW3
4
15
ROW2
5
14
ROW1
6
13
HKS
7
12
VDD
8
11
DTMF
9
10
HFO
1
22
HDO
2
21
PO
3
20
ROW4
4
19
ROW3
5
18
ROW2
6
17
ROW1
7
16
HKS
8
15
VDD
9
14
DTMF
10
13
HFO
11
12
RMUTE
F
10.1.1997
2