EM91215CK Ver la hoja de datos (PDF) - ELAN Microelectronics
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EM91215CK Datasheet PDF : 19 Pages
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EM91215 SERIES
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
EM91215
Pin Assignment
EM91215AP
COL5 1
COL4/KT 2
COL3 3
COL2 4
COL1 5
XIN 6
XOUT 7
XMUTE 8
VSS 9
18 PM
17 PO
16 ROW4
15 ROW3
14 ROW2
13 ROW1
12 HKS
11 VDD
10 DTMF
EM91215BP
COL5 1
COL4/KT 2
COL3 3
COL2 4
COL1 5
XIN 6
XOUT 7
XMUTE 8
VSS 9
HFI 10
20 PM
19 PO
18 ROW4
17 ROW3
16 ROW2
15 ROW1
14 HKS
13 VDD
12 DTMF
11 HFO
Keyboard Arrangement
Type A
EM91215CK
ROW6 1
COL5 2
COL4/KT 3
COL3 4
COL2 5
COL1 6
XIN 7
XOUT 8
XMUTE 9
VSS 10
HFI 11
22 ROW5/SDO
21 PM
20 PO
19 ROW4
18 ROW3
17 ROW2
16 ROW1
15 HKS
14 VDD
13 DTMF
12 HFO
Type B
ROW1
ROW2
ROW3
ROW4
ROW5/SDO
ROW6
COL1
1
4
7
*/T
M1
M6
COL2
2
5
8
0
M2
M7
COL3
3
6
9
#
M3
M8
COL4/KT
SAVE
F
A
RD/P
M4
M9
COL5
EM1
EM2
EM3
ST
M5
M10
ROW1
ROW2
ROW3
ROW4
ROW5/SDO
ROW6
COL1
1
4
7
*
M1
M6
COL2
2
5
8
0
M2
M7
COL3
3
6
9
#
M3
M8
COL4/KT
P→T
F
A
RD/P
M4
M9
COL5
EM1
EM2
EM3
ST
M5
M10
@When ROW5 is selected by R option (COL5), there are 13 sets one touch memory version in EM91215C
provided.
FUNCTIONAL BLOCK DIAGRAM
COL1
COL2
COL3
COL4/KT
COL5
XIN
XOUT
ROW1
ROW6
Keyboard
interface
(column)
Oscillator
Keyboard
interface
(Row)
SDO HFO PM
Output circuit
XMUTE
Row/Column
programming counter
Memory
(Melody)
latch
&
decoder
D/A
converter
DTMF
Timing/Control circuit
Pulse
PO
Input circuit
generator
VDD
HFI HKS
VDD
* This specification are subject to be changed without notice.
10.1.1997 2
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