參數(shù)資料
型號: PSB7110
廠商: SIEMENS AG
英文描述: Enhanced ISDN Data Access Controller ISAR
中文描述: 增強綜合業(yè)務數(shù)字網的數(shù)據接入控制器專家組
文件頁數(shù): 44/164頁
文件大?。?/td> 1173K
代理商: PSB7110
_________________________________________________PSB 7110
Siemens Aktiengesellschaft
Page 44
ISAR Interrupt Status Byte (IIS)
The structure for the IIS byte is shown below. Also for IIS not all combinations of buffer selection, message coding
and message destination are available at the programming interface.
One message does not conform to the described structure of DPS, MSC and MDS. It has a general code (IIS=0),
which is used for normal operation and not for test/diagnostics functions.
Regular Operation (B-channel paths buffer 1 and 2):
7
6
5
4
3
2
1
0
Request For Data
Indication for Buffer available (general code)
0
0
0
0
0
0
0
0
7
6
5
4
3
2
1
0
Datapath Selection (DPS)
Path 1
Path 2
0
1
1
0
Message Coding (MSC)
Mailbox contains SART status event and receive data
Mailbox contains configuration data
Mailbox contains status event
Mailbox contains status information
1
1
1
1
0
0
0
0
0
0
1
1
0
1
0
1
0
0
Message Destination/
Indication from Buffer
Indication from SART
Indication from Pump
Indication from IOM-2
Source (MDS)
0
0
1
1
0
1
0
1
Test/Diagnostics Operation (buffer 0):
Some of the message codings related to the DSP program download procedure (see table below) can only be used
before the DSP program has been started and are not valid after regular operation has started.
7
6
5
4
3
2
1
0
Datapath Selection (DPS)
Buffer 0
0
0
Message Coding (MSC)
Status response
Status event
Timer interrupt request
Invalid message received
Selftest response
Software version number response
1
1
1
1
1
1
1
1
0
1
0
0
1
1
1
1
0
0
1
1
0
1
1
1
0
1
1
1
0
0
1
0
0
1
1
1
The following message codings are only valid before the DSP program has been started:
0
0
0
0
1
0
1
0
0
0
1
1
1
0
1
0
0
1
1
0
1
1
1
1
Chip version number response
Response for transfer of D-key
Response for transfer of program data
Response for start of DSP program
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