MSM7584C View Datasheet(PDF) - Oki Electric Industry
Part Name
Description
MFG CO.
'MSM7584C' PDF : 57 Pages View PDF
¡ Semiconductor
MSM7584C
(5) CR4 (Tone Generator Operation Mode and Frequency Settings)
CR4
Initial Value
B7
DTMF/
OTHERS SEL
0
B6
TONE
SEND
0
B5
TONE5
0
B4
TONE4
0
B3
TONE3
0
B2
TONE2
0
B1
TONE1
0
B0
TONE0
0
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 * * 0 0 0 0 852 Hz + 1209 Hz
* * 0 0 0 1 697 Hz + 1336 Hz * * 0 0 0 1 852 Hz + 1336 Hz
* * 0 0 1 0 697 Hz + 1477 Hz * * 0 0 1 0 852 Hz + 1477 Hz
* * 0 0 1 1 697 Hz + 1633 Hz * * 0 0 1 1 852 Hz + 1633 Hz
* * 0 1 0 0 770 Hz + 1209 Hz * * 0 1 0 0 941 Hz + 1209 Hz
* * 0 1 0 1 770 Hz + 1336 Hz * * 0 1 0 1 941 Hz + 1336 Hz
* * 0 1 1 0 770 Hz + 1477 Hz * * 0 1 1 0 941 Hz + 1477 Hz
* * 0 1 1 1 770 Hz + 1633 Hz * * 0 1 1 1 941 Hz + 1633 Hz
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