EM91401B EMC [ELAN Microelectronics Corp], EM91401B Datasheet - Page 12

• Manufacturer Part Number: EM91401B
• Description: TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
• Manufacturer: EMC [ELAN Microelectronics Corp]

DTMF output frequency
* This specification are subject to be changed without notice.
ROW1 (f1)
ROW2 (f2)
ROW3 (f3)
ROW4 (f4)
COL1 (f5)
COL2 (f6)
COL3 (f7)
Keyboard scan pin
CCITT standard (Hz)
(fosc = 3.579545 MHz)
1209
1336
1477
697
770
852
941
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
Actual output (Hz)
1215.8
1331.6
1471.8
699.1
766.2
847.4
947.9
AND DUAL-TONE MELODY GENERATOR
Deviation (%)
-0.53
-0.32
-0.35
0.30
0.49
0.73
0.56
EM91401 SERIES
10.1.1997
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