參數(shù)資料
型號: S5T8610
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
元件分類: Codec
英文描述: DIGITAL CLP MODEM WITH ADPCM CODEC
中文描述: 數(shù)字電調(diào)制解調(diào)器帶ADPCM編解碼器
文件頁數(shù): 16/27頁
文件大?。?/td> 252K
代理商: S5T8610
S5T8610
DIGITAL CLP MODEM WITH ADPCM CODEC
16
PRELIMINARY
BER
Symbol Error Rate
Time Between Error
Pulse
Duration
From
To
From
2-19
2-20
2-21
2-22
2-23
To
2-20
2-21
2-22
2-23
2-24
From
To
6.36
×
10-7
3.18
×
10-7
1.59
×
10-7
7.95
×
10-8
3.97
×
10-8
3.18
×
10-7
1.59
×
10-7
7.95
×
10-8
3.97
×
10-8
1.99
×
10-8
1 min 5.5 sec
2 min 11.1 sec
4 min 22.1 sec
8 min 44.3 sec
17 min 28.6 sec
2min 11.1 sec
4 min 22.1 sec
8 min 44.3 sec
17 min 28.6 sec
34 min 57.2 sec
360 msec
380 msec
400 msec
420 msec
440 msec
BER of 3.33 x 10
-3
detected
100 msec
20
msec
Next BER
For 24kbps ADPCM, this pin produces high for 20msec when jamming is detected. After producing high, the BER
pin produces low for 20msec before detecting the next jamming. Jamming detection is not necessary for 16kbps
ADPCM, since BER can be used for detecting jamming.
Jamming detection in 24 kbps ADPCM
20
msec
20
msec
DTMF Generator
In order to generate a DTMF signal, the host must set S5T8610 to DTMF mode. S5T8610 outputs the DTMF tone
through the DTMF pin. The RXO pin is set mute during the DTMF mode. The hand set and the base set still
communicate with each other so that the DTMF tones can be monitored.
S5T8610 generates the DTMF tone for 100msec when the tone code is received from the host. After generating
the tone for 100msec, the DTMF pin produces low for the next 50msec. After generating DTMF tones, the host
can set S5T8610 back to normal operation, ADPCM and modem, using the DTMF release command.
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