SC9302DT Ver la hoja de datos (PDF) - Silan Microelectronics

Número de pieza

componentes Descripción

Fabricante

SC9302DT

1-MEMORY/2-MEMORY TONE/PULSE DIALER

Silan Microelectronics 

Silan

Semiconductors

SC9302 Series

2.TONE FREQUENCY

Tone

Output Frequency (Hz)

Name

Specified

Actual

R1

697

699

R2

770

766

R3

852

847

R4

941

948

C1

1209

1215

C2

1336

1332

C3

1477

1472

% Error does not contain the crystal frequency drift.

%Error

+0.29%

-0.52%

-0.59%

+0.74%

+0.50%

-0. 30%

-0. 34%

3. DIALING SPECIFICATION SELECTION

C1

C2

C3

C4

By means of adding resistors across keyboard matrix

pins, various dialing specifications can be selected. The

allowable option resistor connections are shown right.

R1

RK21 RK31 RK41

R2

RK12

R3

RK13

R4

RK14

All the resistors are 330kΩ. The resistor option functions and the default specifications (without option resistors)

are listed below.

Option

Resistor

RK12

RK13

RK14

RK21

RK31

RK41

Option Function

Default (No Resistor)

Make/Break Ratio Selection

Flash Function And Flash Time

Selection

Pause & P T Duration Selection

Pulse Number Selection Or IDD

Lock Selection

40:60

Flash = control function

Flash time = 600ms

TP = 3.6s , TP T = 3.6s

N or Keyboard operated

lock

4. M/B RATIO SELECTION TABLE

RK13

No

Yes

M/B Ratio(%)

40:60

33.3:66.6

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 2.0 2001-11-01

12

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