SC91415AP Ver la hoja de datos (PDF) - Silan Microelectronics

Número de pieza

componentes Descripción

Fabricante

SC91415AP

TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY

Silan Microelectronics 

Silan

Semiconductors

BLOCK DIAGRAM

COL1

COL2

COL3

COL4

/KT

COL5

XIN

XOUT

ROW1

ROW6

Keyboard

interface

(column)

Oscillator

Keyboard

interface

(Row)

SC91415 SERIES

SDO HFO HDO RMUTE XMUTE

Output circuit

Row/Column

programming

counter

Memory

(Melody)

latch

&

decoder

D/A

converter

Timing/Control

circuit

Input circuit

Pulse

generator

DTMF

PO

VDD HFS HKS DRING VDD

KEYBOARD ASSIGNMENT

COL1 COL2 COL3 COL4/KT COL5

ROW1

1

2

3

HD

EM1

ROW2

4

5

6

F

EM2

ROW3

7

8

9

A

EM3

ROW4

*/T

0

#

RD/P

ST

ROW5/SDO M1

M2

M3

M4

M5

ROW6

M6

M7

M8

M9

M10

Note: ROW5/SDO: Option by COL5, When ROW5 is selected by R option (COL5), there are 13 sets

one touch memory version in SC91415C/D provided.

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 2.0

2001-11-13

3

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