參數(shù)資料
型號(hào): PSB7110
廠商: SIEMENS AG
英文描述: Enhanced ISDN Data Access Controller ISAR
中文描述: 增強(qiáng)綜合業(yè)務(wù)數(shù)字網(wǎng)的數(shù)據(jù)接入控制器專家組
文件頁數(shù): 54/164頁
文件大?。?/td> 1173K
代理商: PSB7110
_________________________________________________PSB 7110
Siemens Aktiengesellschaft
Page 54
3.3.3
Buffer Status Event (ISAR
Host)
There are two message types for status events from the buffer:
Status event that is related to a certain buffer (see 3.3.3.1)
Indication for buffer available - general code for all buffers (see 3.3.3.2)
3.3.3.1
Buffer Specific Status Event (ISAR
Host)
7
6
5
4
3
2
1
0
DPS
MSC
MDS
IIS
15
14
13
12
11
10
9
8
CTRL MSB
STEV
7
6
5
4
3
2
1
0
CTRL LSB
0
DPS ... Datapath selection
00:
01:
10:
path 0
path 1
path 2
MSC ... Message coding
The message coding is different for datapath 0 and datapath 1, 2.
1111:
status event from datapath 0 (DPS=00)
1010:
status event from datapath 1 or 2 (DPS=01 or 10)
MDS ... Message destination/source
The source coding is different for datapath 0 and datapath 1, 2.
10:
message is originated from the buffer (for DPS=00)
00:
message is originated from the buffer (for DPS=01 or 10)
STEV ... Status Event Code
1Fh:
2Fh:
Transmit Buffer Overflow
Receive Buffer Overflow
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