UBA2050 Ver la hoja de datos (PDF) - Philips Electronics

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UBA2050

One-chip telephone ICs with speech, dialler and ringer functions

Philips Electronics 

Philips Semiconductors

One-chip telephone ICs with speech,

dialler and ringer functions

Product specification

UBA2050(A); UBA2051(A;C)

handbook, full pagewidth

KEYS [3].........[3]......... [LNR/P] .........[4]

internal

MUTE

tb tm tidp

tm tidp

DP/FL

tpdp tm

tpdp

DMO

tap

tm tidp

tmho

tpdp

MGU139

tb = break time.

tm = make time.

tidp = interdigit pause time.

tap = access pause time.

tmho = mute holdover time.

tpdp = pre-digit pause.

Fig.20 Timing diagram in pulse dialling mode for the UBA205x.

handbook, full pagewidth

KEYS ....[3] .............. [3] ......... [P->T]...................[4]

internal

MUTE

tb tm tidp

tm tidp

tap

DP/FL

tpdp tm

tpdp

MDY/TONE

LED

tmho

tt tp

MGU140

tb = break time.

tm = make time.

tidp = interdigit pause time.

tap = access pause time.

tmho = mute holdover time.

tpdp = pre-digit pause.

tt = burst time.

tp = pause time.

Fig.21 Timing diagram in pulse dialling mode for the UBA205xA.

2000 May 19

20

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