參數(shù)資料
型號(hào)： ST75C530FP-A
廠商： 意法半導(dǎo)體
英文描述： SUPER INTEGRATED DEVICESWITH DSP, AFE & MEMORIES FORTELEPHONY,MODEM, FAXOVERINTERNET& POTSLINES
中文描述： 超級(jí)綜合DEVICESWITH數(shù)字信號(hào)處理器，模擬前端
文件頁(yè)數(shù)： 35/84頁(yè)
文件大小： 599K
代理商： ST75C530FP-A
MODC
Opcode:
Modify Configuration
MODC
21
0
0
1
0
0
0
0
1
Synopsis
MODCallows the modificationof the parametersdefined by the CONFcommand.
Parameters
Field
Byte
1
Pos.
0
Value
0
1
0
1
0
1
0
1
0
1
0*
1
0*
1
00*
01
10
00*
01
10
0*
Definition
MODC_SDM
Normal data mode
Short datamode (e.g. TVR) (5)
Normal V.21ch2
(1)
Disable V.21ch2flag detector
Normal DTMF detector
(1)
Disable DTMF detector
Normal secondary tone detector
(1)
Disable secondary tone detector
Normal primary tone detector
(1)
Disable primarytone detector
Normal training sequence
Short trainingsequence
(2)
Secondary tone detector sampling frequency is 4.8kHz
Secondary tone detector sampling frequency is 9.6kHz
No guard tone
1800Hz guard tone (V.22bis/V.22)
550Hz guard tone (V.22bis/V.22)
No echo protection tone
Long echo protection tone (180ms)
(4)
Short echo protection tone (30ms)
(4)
Answer mode : generateanswer tone for handshake
Originate mode : wait answer tone for handshake
Answer mode : donot generate answer
Originate mode : do not wait answer tone
Cut answer tone when receiving AA (V.32bis, V.32)
Continue answer tone when receiving AA.
Enable V.32bis/V.32 autoretrain on quality.
Disable V.32bis/V.32autoretrain on quality.
Low bit rate decoder voice frame duration 30ms(nominal)
Low bit rate decoder voice frame duration 35ms (+16%)
Low bit rate decoder voice frame duration 40ms (+33%)
Low bit rate decoder voice frame duration 45ms (+50%)
Low bit rate decoder voice frame duration 25ms (-16%)
Low bit rate decoder voice frame duration 20ms (-33%)
Low bit rate decoder voice frame duration 15ms (-50%)
Low bit rate decoder pause
Reserved
Low bit rate coder disabled
Low bit rate coder enabled
(3)
Line echo canceller enabled
Line echo canceller disabled
Audio echo canceller enabled
Audio echo canceller disabled
(3)
Full duplex mode enabled
Half duplex mode enabled
Softclipping enabled on Rx
Softclipping disabled on Rx
AGC active
AGC frozen
Softclipping enabled on Tx
Softclipping disabled on Tx
MODC_DV21F
1
1
MODC_DDTMF
1
2
MODC_DTDT4
1
3
MODC_DTDT16
1
4
MODC_SH
1
6
MODC_FS
1
7
MODC_V22G
(6)
2
1..0
MODC_FPT
2
3..2
MODC_NOTA
(6)
2
4
1
MODC_NOSA
(6)
2
6
0*
1
0*
1
MODC_NOQA
(6)
2
7
MODC_ADCFD
3
0..3
0000*
0001
0010
0011
1111
1110
1101
0111
Other
0
1
0
1
0
1
0
1
0
1
0
1
0
1
MODC_COD
3
5
MODC_LEC
4
0
MODC_AEC
4
1
MODC_FULLD
4
2
MODC_SOFTRx
4
3
MODC_AGC
4
4
MODC_SOFTTx
4
5
Notes :
1.
2.
In the modes where they are active.
Short train sequence must be preceded by at least one successful long train sequence at the same data rate. For
V.17a successful long trainat any data rate must preceded the short train.
Only coder or decoder can be enabledat the same time.
Only when sendingV.17,V.33,V.29or V.27ter.
French Minitel Application(TVR : TeletelVitesse Rapide).
ST75C540 only
3.
4.
5.
6.
VII - COMMAND SET DESCRIPTION
(continued)
ST75C530- ST75C540
35/84
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