參數(shù)資料
型號(hào)： TSB12LV32-EP
英文描述： IC APEX 20KE FPGA 100K 324-FBGA
中文描述： 軍事增強(qiáng)塑料電機(jī)及電子學(xué)工程師聯(lián)合會(huì)1394-1995和P1394a兼容通用鏈路層控制器
文件頁(yè)數(shù)： 89/106頁(yè)
文件大?。?/td> 605K
代理商： TSB12LV32-EP
7
–
11
7.3.1.2
The remote access packet provides a method for a node to access the Phy registers of another node on
the bus. The reception of a remote access packet causes the node identified by the Phy_ID field to read the
selected Phy register and subsequntly return a remote reply packet that contains the current value of the
Phy register. The format of this packet is shown in Figure 7
–
14 and described in Table 7
–
10.
Remote Access Packets
0
0
Phy_ID
0
0
type (8)
cmmd
0
0
1
1
1
Logical inverse of the first quadlet
transmitted first
transmitted last
port
0
0
0
0
0
0
Figure 7
–
14. Remote Access Packet Format
Table 7
–
10. Remote Access Packet Fields
FIELD NAME
DESCRIPTION
Phy_ID
Physical node identifier of the destination of this packet
type
Extended Phy packet type ( 8 identifies command packet)
port
This field selects one of the Phy
’
s ports
cmmd
Command:
0 = NOP (No operation)
1 = Transmit TX_DISABLE_NOTIFY then disable port
2 = Initiate suspend (i.e., become a suspend initiator)
4 = Clear the port
’
s Fault bit to zero
5 = Enable port
6 = Resume port
7.3.1.3
The remote command packet provides a method for one node to issue a number of Phy-specific commands
to the selected port within the target Phy. The reception of a remote command packet shall request the node
identified by the Phy_ID field to perform the operation specified in the
cmnd
field and subsequently return
a remote confirmation packet. The format of this packet is shown in Figure 7
–
15 and described in Table 7
–
11.
Remote Command Packets
0
0
Phy_ID
0
0
type (8)
cmnd
0
0
1
1
1
Logical inverse of the first quadlet
transmitted first
transmitted last
0
0 0
port
0
0
0
Figure 7
–
15. Remote Command Packet Format
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TSB12LV32IPZG4 功能描述:1394 接口集成電路 General Purpose Link Layer Cntrlr RoHS:否 制造商:Texas Instruments 類(lèi)型:Link Layer Controller 工作電源電壓: 封裝 / 箱體:LQFP 封裝:Tray
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