EM91415 데이터 시트보기 (PDF) - ELAN Microelectronics

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EM91415

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

ELAN Microelectronics 

EM91415 SERIES

TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE

AND DUAL-TONE MELODY GENERATOR

DTMF output frequency (fosc = 3.579545 MHz)

Keyboard scan pin

ROW1 (f1)

ROW2 (f2)

ROW3 (f3)

ROW4 (f4)

COL1 (f5)

COL2 (f6)

COL3 (f7)

CCITT standard (Hz)

697

770

852

941

1209

1336

1477

Actual output (Hz)

699.1

766.2

847.4

947.9

1215.8

1331.6

1471.8

Deviation (%)

0.30

0.49

-0.53

0.73

0.56

-0.32

-0.35

* This specification are subject to be changed without notice.

10.1.1997 14

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