參數(shù)資料
型號(hào): ST75C540FP-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): 30/84頁(yè)
文件大?。?/td> 599K
代理商: ST75C540FP-A
Parameters
Whenthe CONF_OPERis setto F,selectingtheModemMode of operation,theparameters
have the followingmeaning :
Field
Byte
Pos.
Value
CONF_OPER
1
3..0
1111
CONF_ANAL
1
4
0
1
CONF_PSTN
1
5
0
1
CONF_AO
1
6
0
1
CONF_DTINIT
(only in tone mode)
1
CONF_MODE
2
5..0
0
1
2
3
4
5
6
7
8
9
A
B
C
D
Other
CONF_TXEQ
2
7..6
0
1
2
3
CONF_CAR
3
0
0
1
CONF_TCM
3
1
0
1
CONF_SP0
3
7..4
xxx1
xx1x
x1xx
1xxx
CONF_SP1
4
2..0
xx1
x1x
1xx
Definition
Select Modem Mode
Normal mode
Analog loop back (testmode only)
PSTN (carrier detect set to -43/-48dBm)
Leased line (carrier detect -33/-38dBm)
Answer mode
Originate mode
Global init of secondary tone detector
Partial init of secondary tone detector
(8)
Automode (V.32bis/V.32/V.22bis/V.22)
(9)
Bell 103 (full duplex)
Bell 212A (full duplex)
(9)
V.21 (full duplex)
V.23 (full duplex)
V.22 (full duplex)
(9)
V.22bis (full duplex)
(9)
V.27ter
V.29
V.17
V.32 (full duplex)
(9)
V.32bis (full duplex)
(9)
V.33 (half duplex)
V.21 channel 2
Reserved
No transmit equalizer
Transmit equalizer #1
Transmit equalizer #2
Transmit equalizer #3 (V.17/V.33/V.29/V.27ter)
1800Hz carrier (V.17/V.33 only)
1700Hz carrier (V.17/V.33 only)
Treillis coding not allowed (V.32 only)
Treillis coding allowed (V.32bis, V.32)
1200bps allowed (V.22, V.22bis)
(10)
2400bps allowed (V.22bis, V.27)
(10)
4800bps allowed (V.32bis, V.32, V.27, V.29)
(10)
7200bps allowed (V.32bis, V.29, V.17)
(10)
9600bps allowed (V.32bis, V.32, V.29, V.17)
(10)
12000bps allowed (V.32bis, V.17, V.33)
(10)
14400bps allowed (V.32bis, V.17, V.33)
(10)
1
7
0
Notes :
8.
9.
10.
With conf 80 00 00 00 the coefficients of secondary tone detectors are not initialized.
ST75C540 only.
V.22bis, V.22,V.32bis and V.32 modes ST75C540 only.
VII - COMMAND SET DESCRIPTION
(continued)
ST75C530 - ST75C540
30/84
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