em91401a ELAN Microelectronics Corp, em91401a Datasheet - Page 12

• Manufacturer Part Number: em91401a
• Description: Em91401 Series Tone/pulse Switchable Dialer With Lcd Interface And Dual-tone Melody Generator Em91401 Series Tone/pulse Switchable Dialer With Lcd Interface And Dual-tone Melody Generator
• Manufacturer: 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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