MX613P Ver la hoja de datos (PDF) - MX-COM Inc
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MX613P Datasheet PDF : 9 Pages
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Global Call Progress Tone Detector
5
Application Information ......
MX613 Preliminary Information
N = int (Frequency x Measurement Period)
Measurement Period
= 39.47ms for Low Band (300Hz to 660Hz)
= 13.16ms for High Band (900Hz to 2150Hz)
Note: For input frequencies of between 661Hz and 899Hz the MX613 will give no reliable output.
When a ‘correct’ decode has been allowed and an interrupt generated, a 6-bit data word is presented at the Serial Output
Port. This 6-bit word indicates the input frequency's band (Bit 5) and value ‘N’ as indicated below.
Bit 5 Band Bit (5)
Output
First HI-“1”/LO-“0”
MSB (4)
(3)
(2)
(1)
LSB (0)
Bits 0 to 4 represent the measured frequency in the selected band
Bits
0 to 4
=N
When a ‘correct’ decode has been allowed and an interrupt generated, a 6-bit data word will be presented at the Serial
Output Port. This 6-bit word indicates the input frequency's band and value as described below.
As an example, the following binary-word presented at the Serial Output Port (1 1 0 1 1 0) will indicate a frequency
in the HI Band of between 1680Hz and 1740Hz (Bit-5 = “1” = HI, ‘N’ = 22).
LO Band
280
285
290
295
300
305
310
315
320
325
330
335
340
345
350
355
360
HI Band
840
855
870
885
900
915
930
945
960
975
990
1005
1020
1035
1050
1065
1080
365
N
11
11
11
11
11
12
12
12
12
12
13
13
13
13
13
14
14
1095
B5 B4 B3 B2 B1 B0
H/L 0 1 0 1 1
H/L 0 1 1 0 0
H/L 0 1 1 0 1
H/L 0 1 1 1 0
14
370
1110
14
375
1125
14
380
1140
14
385
1155
15 H/L 0 1 1 1 1
390
1170
15
395
1185
15
400
1200
15
405
1215
15
410
1230
16 H/L 1 0 0 0 0
415
1245
16
420
1260
16
425
1275
16
430
1290
16
435
1305
17 H/L 1 0 0 0 1
440
1320
17
445
1335
17
450
1350
17
455
1365
17
460
1380
18 H/L 1 0 0 1 0
465
1395
18
470
1410
18
475
1425
18
480
1440
18
485
1455
19 H/L 1 0 0 1 1
490
1470
19
495
1485
19
500
1500
19
Table 1 - Decode Frequency Data
LO Band
505
510
515
520
525
530
535
540
545
550
555
560
565
570
575
580
585
595
600
605
610
615
620
625
630
635
640
645
650
655
660
665
670
675
680
685
690
695
700
705
710
715
720
725
HI Band
1515
1530
1545
1560
1575
1590
1605
1620
1635
1650
1665
1680
1695
1710
1725
1740
1755
590
N
19
20
20
20
20
20
21
21
21
21
21
22
22
22
22
22
23
1770
B5 B4 B3 B2 B1 B0
H/L 1 0 0 1 1
H/L 1 0 1 0 0
H/L 1 0 1 0 1
H/L 1 0 1 1 0
H/L 1 0 1 1 1
23
1785
1800
1815
1830
1845
1860
1875
1890
1905
1920
1935
1950
1965
1980
1995
2010
2025
2040
2055
2070
2085
2100
2115
2130
2145
2160
2175
23
23
23
24 H/L 1 1 0 0 0
24
24
24
24
25 H/L 1 1 0 0 1
25
25
25
25
26 H/L 1 1 0 1 0
26
26
26
26
27 H/L 1 1 0 1 1
27
27
27
27
28 H/L 1 1 1 0 0
28
28
28
© 1997 MX•COM Inc.
www.mxcom.com Tele: 800 638-5577 910 744-5050 Fax: 910 744-5054
Doc. # 20480086.003
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USAAll trademarks and service marks are held by their respective companies
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