參數(shù)資料
型號： 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： 超級綜合DEVICESWITH數(shù)字信號處理器，模擬前端
文件頁數(shù)： 37/84頁
文件大小： 599K
代理商： ST75C530FP-A
MWI
Opcode:
MemoryWrite Indirect
MWI
2A
0
0
1
0
1
0
1
0
Synopsis
MWIallowsthewritingofa16-bitparameter.Theparametersspecifiesanindirectaddressaswell
asthevaluetobetransferred.Refertothe“RAMMappingApplicationNote”(deliveredonrequest
accordingtorevisionnumber).TheadvantagetouseMWIinsteadofMWisthattheIndirectAddress
isconstantoverthedifferentreleaseoftheproduct.
Parameters
Field
Byte
1
2
3
Pos.
7..0
7..0
7..0
Value
Definition
MWI_IADDR
MWI_IVALUE_L
MWI_IVALUE_H
Indirect address
Low byte of the 16-bit value
High byte of the 16-bit value
MWLO
Opcode:
MemoryWrite Low Word
MWLO
2B
0
0
1
0
1
0
1
1
Synopsis
MWLOallows the writing of a 16-bitparameterat the addressdefined by the following MW
or MW Absolute Address minus 1. This command must be followed by a MW or MWI
command.Thedouble word writing is executedby the MW or MWI following command.
Parameters
Field
Byte
1
2
Pos.
7..0
7..0
Value
Definition
MWLO_VALUE_L
MWLO_VALUE_H
Low byte of the 16-bit value
High byte of the 16-bit value
RTRA
(ST75C540only)
Opcode:
02A
Retrain
RTRA
0
0
0
0
0
1
0
1
Synopsis
RTRAis usedto forcetheST75C530/540to initiatea retrainsequenceor aratenegotiation.
If MODC_NOQUAbit is set, the ST75C530/540will initiate a transmissionat the maximum
speeddefined bythe RTRAparameter,otherwiseit willfoundthe bestreliablespeedbased
on the qualityof the line (within the RTRAallowed speed).
Parameters
Field
Byte
1
Pos.
0
Value
0
1
xxx1
xx1x
x1xx
1xxx
xx1
x1x
1xx
Definition
RTRA_NEG0
Retrain (V.22bis,V.32, V.32bis)
Ratr negotiation (V.32bis, V.22bis)
1200bps allowed (V.22bis)
2400bps allowed (V.22bis)
4800bps allowed (V.32bis, V.32)
7200bps allowed (V.32bis)
9600bps allowed (V.32bis, V.32)
12000bps allowed (V.32bis)
14400bps allowed (V.32bis)
RTRA_SP0
1
7..4
RTRA_SP1
2
2..0
VII - COMMAND SET DESCRIPTION
(continued)
ST75C530- ST75C540
37/84
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ST75C530PQFP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC
ST75C540 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:SUPER INTEGRATED DEVICESWITH DSP, AFE & MEMORIES FORTELEPHONY,MODEM, FAXOVERINTERNET& POTSLINES
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