參數(shù)資料
型號: TSB12LV01BPZ
英文描述: FPGA (Field-Programmable Gate Array)
中文描述: 總線控制器
文件頁數(shù): 86/106頁
文件大小: 605K
代理商: TSB12LV01BPZ
7
8
3
2
1
0
7
6
5
4
11
10
9
8
15
14
13
12
19
18
17
16
20 21
31
30
29
28
27
26
25
24
23
22
isochronous data
0
1
sy
tCode
TAG
dataLength
chanNum
1
0
spd
numofQuadlets
0
0
0
0
0
errCode
0
0
0
0
0
0
Figure 7
10. GRF Isochronous-Receive Format
Table 7
6. Isochronous-Receive Functions
FIELD NAME
DESCRIPTION
dataLength
The dataLength field indicates the number of bytes in the current packet.
TAG
The TAG field indicates the format of data carried by isochronous packet (00 = formatted, 01
- 11
are reserved).
chanNum
The chanNum field contains the channel number with which this data is associated.
tCode
The tCode field carries the transaction code for the current packet (tCode = Ah).
sy
The sy field carries the transaction layer-specific synchronization bits.
isochronous data
The isochronous data field has the data to be sent with the current packet. The first byte of data
must appear in byte 0 of the first quadlet of this field. The last quadlet should be padded with zeros.
spd
The spd field indicates the speed at which the current packet was sent.
numofQuadlets
Total number of quadlets in the current packet (payload and header quadlets only).
errCode
The errCode field indicates whether the current packet has been received correctly. The
possibilities are Complete, DataErr, or CRCErr, and have the same encoding as the corresponding
acknowledge codes.
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