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(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): 127/164頁
文件大?。?/td> 1173K
代理商: PSB7110
_________________________________________________PSB 7110
Siemens Aktiengesellschaft
Page 127
3.10.3
Verify Chip Version Number
In this step the chip version number must be checked.
The host should make sure that there is Version 1.0 of the ISAR and not a ROM-Version of it, as in
the latter case no program download is necessary and should be done.
In this way only one version of a host software is necessary for an ISAR system that could use the
functionality of either the download version or the ROM version.
Version Number Request
The host requests the chip version number by the following command:
7
6
5
4
3
2
1
0
DPS
MSC
HIS
0
0
0
1
0
1
0
0
15
14
13
12
11
10
9
8
CTRL MSB
0
7
6
5
4
3
2
1
0
CTRL LSB
3
7
6
5
4
3
2
1
0
1. Parameter
20h
7
6
5
4
3
2
1
0
2. Parameter
0
7
6
5
4
3
2
1
0
3. Parameter
1
Version Number Response
The ISAR provides the chip version number by the following response:
7
6
5
4
3
2
1
0
DPS
MSC
IIS
0
0
0
1
0
1
0
1
15
14
13
12
11
10
9
8
CTRL MSB
0
7
6
5
4
3
2
1
0
CTRL LSB
1
7
6
5
4
3
2
1
0
1. Parameter
VER
VER ... Version number
xxxx 0001 : ISAR V1.0
(x = don't care)
After a read request by the host, the ISAR will immediately respond with the version number,
however, a timeout of 100ms can be installed to protect from software malfunctions resulting from
system errors.
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