參數(shù)資料
型號: PEF2080
廠商: SIEMENS AG
英文描述: S/T Bus Interface Circuit(SBC)
中文描述: S / T的總線接口電路(SBC)的
文件頁數(shù): 46/74頁
文件大?。?/td> 2620K
代理商: PEF2080
Semiconductor Group
47
Operational Description
Commands / Indications and State Diagrams in LT-S Mode
Table 3
(x) unconditional commands
Command (downstream)
Deactivate request
Abbr.
DR
Code
0000
Remark
(x)
Send continuous zeros
SCZ
0010
Transmission of pseudo-ternary pulses at
96-kHz frequency (x)
Send single zeros
SSZ
0010
Transmission of pseudo-ternary pulses at
2-kHz frequency (x)
Activate request
ARD
1000
Activate request loop
ARL
1010
Activation request for loop 2
Deactivate indication
DID
1111
Deactivation acknowledgement, quiescent
state
Indication (upstream)
Abbr.
Code
Remark
Lost signal level
LSL
0001
No receive signal
Lost framing
RSYU
0100
Receiver is not synchronous
Activate request
ARU
1000
Info 1 received
Activate indication
AIU
1100
Synchronous receiver
Deactivate indication
DIU
1111
Timer (32 ms) expired or info 0 received
(during 16 ms) after deactivation request
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