EM91215C View Datasheet(PDF) - ELAN Microelectronics

Part Name

Description

MFG CO.

EM91215C

TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE

ELAN Microelectronics 

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EM91215 SERIES

TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE

TIMING DIAGRAM

HKS

KEY IN

KT

XMUTE

PM

SDO

PO

DTMF

OSC.

2

3

Tdb

Tkt

Tsdo

Tm

Tidp

T T TT

Tidp

b m bm

Figure 1. Pulse mode operating timing

Hi-impedance

HKS

KEY IN

KT

XMUTE

PM

SDO

PO

DTMF

OSC.

2

3

Tdb

Td

Titp

Figure 2. DTMF mode operating timing

* This specification are subject to be changed without notice.

Titp

Hi-impedance

10.1.1997 10

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