MSM7718-01 データシートの表示（PDF） - Oki Electric Industry
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MSM7718-01 Datasheet PDF : 38 Pages
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¡ Semiconductor
MSM7718-01
(6) CR5 (Setting of tone generator operating mode and tone frequency)
CR5
Initial value
B7
B6
DTMF/OTHERS TX TONE
SEL
SEND
0
0
B5
RX TONE
SEND
0
B4
TONE4
0
B3
TONE3
0
B2
TONE2
0
B7 ... Selection of DTMF signal or others (S, F, or R tone)
0: Others 1: DTMF signal
B6 ... Transmission of transmit side tone 0: Not transmit 1: Transmit
B5 ... Transmission of receive side tone
0: Not transmit 1: Transmit
B4, 3, 2, 1, 0 ... Setting of a tone frequency (see Table 6)
Table 6 Setting of Tone Generator Frequencies
B1
TONE1
0
B0
TONE0
0
(a) when B7 = “1” (DTMF tone)
B4 B3 B2 B1 B0
*0000
*0001
*0010
*0011
*0100
*0101
*0110
*0111
Description
697 Hz + 1209 Hz (1)
697 Hz + 1336 Hz (2)
697 Hz + 1477 Hz (3)
697 Hz + 1633 Hz (A)
770 Hz + 1209 Hz (4)
770 Hz + 1336 Hz (5)
770 Hz + 1477 Hz (6)
770 Hz + 1633 Hz (B)
B4 B3 B2 B1 B0
*1000
*1001
*1010
*1011
*1100
*1101
*1110
*1111
Description
852 Hz + 1209 Hz (7)
852 Hz + 1336 Hz (8)
852 Hz + 1477 Hz (9)
852 Hz + 1633 Hz (C)
941 Hz + 1209 Hz (*)
941 Hz + 1336 Hz (0)
941 Hz + 1477 Hz (#)
941 Hz + 1633 Hz (D)
(b) When B7 = “0” (Others)
The Table below lists default frequencies. “00000” to “00011” (“B4, B3, B2, B1, B0”) are tones,
which are modulated by sinewave. “01000” to “01011” are wamble tones, and “10000” to “10111”
are single tones. For procedures to change frequencies, see the next page.
B4 B3 B2 B1 B0
Description
B4 B3 B2 B1 B0
0 0 0 0 0 400/0H – 16 Hz Sine wave modulation 1 0 0 0 0
0 0 0 0 0 3000/0H – 16 Hz Sine wave modulation 1 0 0 0 1
0 0 0 1 0 2700/0H – 16 Hz Sine wave modulation 1 0 0 0 1
0 0 0 1 1 */*H – 16 Hz Sine wave modulation 1 0 0 1 1
001 00
—
101 00
001 01
—
101 01
001 10
—
101 10
001 11
—
101 11
0 1 0 0 0 513/636 Hz 12 Hz Wamble 1 1 0 0 0
0 1 0 0 1 800/1000 Hz 8 Hz Wamble 1 1 0 0 1
0 1 0 1 0 2000/2667 Hz 8 Hz Wamble 1 1 0 1 0
010 11
*/*Hz *Hz Wamble
110 11
011 00
—
111 00
011 01
—
111 01
011 10
—
111 10
011 11
—
111 11
Description
400 Hz Single tone
1000 Hz Single tone
2000 Hz Single tone
2667 Hz Single tone
1300 Hz Single tone
2080 Hz Single tone
*Hz Single tone
*Hz Single tone
—
—
—
—
—
—
—
—
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