EM91440 SERIES
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
AND DUAL-TONE MELODY GENERATOR
DTMF output frequency (fosc = 3.579545 MHz)
Keyboard scan pin CCITT standard (Hz)
Actual output (Hz)
699.1
Deviation (%)
0.30
ROW1 (f1)
ROW2 (f2)
ROW3 (f3)
ROW4 (f4)
COL1 (f5)
COL2 (f6)
COL3 (f7)
697
770
852
766.2
847.4
947.9
1215.8
0.49
-0.53
0.73
0.56
941
1209
1336
1477
1331.6
-0.32
1471.8
-0.35
* This specification are subject to be changed without notice.
10.1.1997
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