MSM7590L-01 데이터 시트보기 (PDF) - Oki Electric Industry
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MSM7590L-01 Datasheet PDF : 26 Pages
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¡ Semiconductor
MSM7590L-01
(5) CR4 (Tone genereator operating mode and frequency select)
CR4
Initial Value
B7
DTMF/OTHERS
SEL
0
B6
TONE
SEND
0
B5
SAO/
VFRO
0
B4
TONE4
0
B3
TONE3
0
B2
TONE2
0
B1
TONE1
0
B0
TONE0
0
B7 ... DTMF or other tones select; 0/Others, 1/DTMF
B6 ... Tone transmit enable (Transmit side); 0/Voice signal (transmit), 1/Tone transmit
B5 ... Tone output pin select (Receive side); 0/VFRO, 1/SAO+ and SAO–
B4, B3, B2, B1, B0 ... Tone frequency setting, referred to Table-5-1 and 5-2.
(a) B7 = 1 (DTMF tone)
Table-5-1
B4 B3 B2 B1 B0
*0000
*0001
*0010
*0011
*0100
*0101
*0110
*0111
Frequency
697 Hz + 1209 Hz
697 Hz + 1336 Hz
697 Hz + 1477 Hz
697 Hz + 1633 Hz
770 Hz + 1209 Hz
770 Hz + 1336 Hz
770 Hz + 1477 Hz
770 Hz + 1633 Hz
B4 B3 B2 B1 B0
*1000
*1001
*1010
*1011
*1100
*1101
*1110
*1111
Frequency
852 Hz + 1209 Hz
852 Hz + 1336 Hz
852 Hz + 1477 Hz
852 Hz + 1633 Hz
941 Hz + 1209 Hz
941 Hz + 1336 Hz
941 Hz + 1477 Hz
941 Hz + 1633 Hz
(b) B7 = 0 (Other tones)
Table-5-2
*Unrelated
B4 B3 B2 B1 B0
Frequency
B4 B3 B2 B1 B0
0 0 0 0 0 1k/1333 Hz, 16 Hz wamb. 1 0 0 0 0
0 0 0 0 1 800/667 Hz, 16 Hz wamb. 1 0 0 0 1
0 0 0 1 0 800/1k Hz,16 Hz wamb. 1 0 0 1 0
0 0 0 1 1 500/667 Hz,16 Hz wamb. 1 0 0 1 1
0 0 1 0 0 500/400 Hz,16 Hz wamb. 1 0 1 0 0
0 0 1 0 1 800/1k Hz, 8 Hz wamb. 1 0 1 0 1
0 0 1 1 0 500/400 Hz, 8 Hz wamb. 1 0 1 1 0
00111
400 Hz,16 Hz wamb.
10111
01000
400 Hz,20 Hz wamb.
11000
0 1 0 0 1 400 Hz Single tone 1 1 0 0 1
0 1 0 1 0 425 Hz Single tone 1 1 0 1 0
0 1 0 1 1 440 Hz Single tone 1 1 0 1 1
0 1 1 0 0 450 Hz Single tone 1 1 1 0 0
0 1 1 0 1 800 Hz Single tone 1 1 1 0 1
0 1 1 1 0 1000 Hz Single tone 1 1 1 1 0
0 1 1 1 1 1300 Hz Single tone 1 1 1 1 1
Frequency
2000 Hz Single tone
2042 Hz Single tone
2514 Hz Single tone
500 Hz Single tone
667 Hz Single tone
1333 Hz Single tone
2100 Hz Single tone
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