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MSM7584D Datasheet(PDF) 39 Page - OKI electronic componets

Part # MSM7584D
Description  pi/4 Shift QPSK MODEM/ADPCM CODEC
PDF  58 Pages
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Manufacturer  OKI [OKI electronic componets]
Direct Link  http://www.oki.com
Logo OKI - OKI electronic componets

MSM7584D Datasheet(HTML) 39 Page - OKI electronic componets

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¡ Semiconductor
MSM7584D
39/58
FEDL7584D-02
(5) CR4 (Tone Generator Operation Mode and Frequency Settings)
B7
B6
B5
B4
B3
B2
B1
B0
DTMF/
OTHERS SEL
TONE
TONE5
TONE4
TONE3
00
0
0000
0
CR4
Initial Value
SEND
TONE2
TONE1
TONE0
B7: ........................... Selection of DTMF signal and other tones
(S tone, F tone, R tone, etc.) 0: Other tones 1: DTMF signal
B6: ........................... Transmission side tone transmit
0: Voice signal transmit 1: Tone transmit
B5, B4, B3, B2, B1, B0: Tone frequency setting (refer to Table 7)
Table 7 Tone Generator Frequency Settings
(a) When B7 = 1 (DTMF Tones)
B5
B4
B3
B2
B1
B0
Description
B5
B4
B3
B2
B1
B0
Description
*
*
0
0
0
0
697 Hz + 1209 Hz
**0000
852 Hz + 1209 Hz
*
*
0
0
0
1
697 Hz + 1336 Hz
**0001
852 Hz + 1336 Hz
*
*
0
0
1
0
697 Hz + 1477 Hz
**0010
852 Hz + 1477 Hz
*
*
0
0
1
1
697 Hz + 1633 Hz
**0011
852 Hz + 1633 Hz
*
*
0
1
0
0
770 Hz + 1209 Hz
**0100
941 Hz + 1209 Hz
*
*
0
1
0
1
770 Hz + 1336 Hz
**0101
941 Hz + 1336 Hz
*
*
0
1
1
0
770 Hz + 1477 Hz
**0110
941 Hz + 1477 Hz
*
*
0
1
1
1
770 Hz + 1633 Hz
**0111
941 Hz + 1633 Hz



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