參數(shù)資料
型號: TSB12LV01B-EP
英文描述: FPGA (Field-Programmable Gate Array)
中文描述: 軍事增強塑料的高性能1394 3.3鏈路層電信。嵌入式
文件頁數(shù): 35/106頁
文件大?。?/td> 605K
代理商: TSB12LV01B-EP
2
19
2.2.14
Header1 Register at 3Ch
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
29 30 31
28
Destination ID
Header1 register must contain the isochronous header or the second quadlet of an asynchronous header
if in header insert mode. If not in header insert mode or if in receive mode, this register will be updated with
the received header. This register powers up with all bits reset to 0. For multiple isochronous packets (within
the same isochronous cycle), this register would contain the isochronous header of the second isochronous
packet in the same format as the header0 register, if in header insert mode. This register is write protected
such that it cannot be written to unless automatic header insert mode is enabled and DM is in transmit mode
(i.e., DMHDR=0 and DMRX=0).
BIT
NUMBER
BIT NAME
FUNCTION
DIR
DESCRIPTION
0
15
DestinationID
Destination ID
R/W
For asynchronous packets this field contains the destination
nodes ID.
16
31
RESERVED
Header2 Register at 40h
Reserved
2.2.15
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
29 30 31
28
HEADER2
Header2 register must contain the isochronous header or the third quadlet of a asynchronous header if in
header insert mode. If not in header insert mode or if in receive mode, this register will be updated with the
received header. This register powers up with all bits reset to 0. For multiple isochronous packets (within
the same isochronous cycle), this register would contain the isochronous header of the third isochronous
packet in the same format as the header0 register, if in header insert mode. This register is write protected
such that it cannot be written to unless automatic header insert mode is enabled and in transmit mode (i.e.,
DMHDR=0 and DMRX=0).
BIT
NUMBER
BIT NAME
DIR
DESCRIPTION
0
31
Header2
R/W
Header quadlet for asynchronous or isochronous packet.
2.2.16
Header3 Register at 44h
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
29 30 31
28
HEADER3
Header3 register must contain the isochronous header or the fourth quadlet of an asynchronous header if
in header insert mode. If not in header insert mode or if in receive mode, this register will be updated with
the received header. This register powers up with all bits reset to 0. For multiple isochronous packets (within
the same isochronous cycle), this register would contain the isochronous header of the fourth isochronous
packet in the same format as the header0 register, if in header insert mode. This register is write protected
such that it cannot be written to unless automatic header insert mode is enabled and DM is in transmit mode
(i.e., DMHDR=0 and DMRX=0).
BIT
NUMBER
BIT NAME
DIR
DESCRIPTION
0
31
Header3
R/W
Header quadlet for asynchronous or isochronous packet.
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