參數(shù)資料
型號: MD8412B
廠商: Electronic Theatre Controls, Inc.
英文描述: LINK(IEEE 1394)
中文描述: 鏈接(1394)
文件頁數(shù): 61/114頁
文件大?。?/td> 577K
代理商: MD8412B
MD8412B
Ver 1.10
FUJIFUILM MICRODEVICES CO., LTD.
49
sp
: PHY_SPEED field
= 98.304Mbps
= 98.304 and 196.608Mbps
= 98.304 and 196.608 and 393.216Mbps
= Reserved
Available speeds are saved.
00
01
10
11
del
: PHY_DELAY field
= 144ns or less (~14/BASE_RATE)
01~11= Reserved.
The delay time of the repeater in the worst case is saved.
00
C
: CONTENDER field
When this field is set and the link_active field is also set, this node indicates that it can be a bus or isochro-
nous resource manager.
pwr
: POWER_CLASS field
000 = The node does not require power supply.
001 = The node does has its own power supply that can feed a minimum of 15W.
010 = The node does has its own power supply that can feed a minimum of 30W.
011 = The node does has its own power supply that can feed a minimum of 45W.
100 = The node consumes a maximum of 1W of power from the cable. In addition, it consumes a maximum
of 2W to enable the LINK and upper layers.
101 = The node consumes a maximum of 1W of power from the cable. In addition, it consumes a maximum
of 2W to enable the LINK and upper layers.
110 = The node consumes a maximum of 1W of power from the cable. In addition, it consumes a maximum
of 5W to enable the LINK and upper layers.
111 = The node consumes a maximum of 1W of power from the cable. In addition, it consumes a maximum
of 9W to enable the LINK and upper layers.
p0... p26
: NORT,child[NPORT],connected[NPORT]field
= Connected to the parent node.
= Connected to the parent node.
= Not connected to another PHY.
= This PHY is not offered.
The port status is shown.
11
10
01
00
i
: initiated_reset field
If it is set, this node has issued present bus reset.
m
: more_packets field
If it is set, this node indicates that another SelfID packet of this node is closely following.
n
: Extended field
An extension SelfID packet sequence number (value from 0~2).
r, rsv
: reserved field
Reserved.
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