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參數(shù)資料
| 型號(hào)： | UPD72850AGK-9EU |
| 廠商： | NEC Corp. |
| 元件分類： | 圓形連接器 |
| 英文描述： | Circular Connector; No. of Contacts:56; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:25-4 RoHS Compliant: No |
| 中文描述： | IEEE1394連接400Mbps的物理層 |
| 文件頁數(shù)： | 36/48頁 |
| 文件大?。?/td> | 290K |
| 代理商： | UPD72850AGK-9EU |
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Data Sheet S14452EJ1V0DS00
36
μ
PD72850A
5.4.3 Remote Reply Packet
The
μ
PD72850A transmits the value in the register by using the Remote reply packet as a response to the Remote
access packet.
Figure 5-6. Remote Reply Packet Format
00
phy_ID
00
type
page
port
reg
data
Logical Inverse of the first quadlet
Table 5-6. Remote Reply Packet
Field
Description
phy_ID
Physical ID of the node (Node’s original packet transmit)
type
3 = register read (base register), 7 = read register (page register)
page
Used when specifying the page of the PHY register
port
Used to specify the register of each port in the PHY register
reg
Specifies the address when reading the base register.
In case of the Page and port registers, specify the address with 1000+reg.
data
Contents of the specified register
5.4.4 Remote Command Packet
Use the Remote command packet to operate the function of the port of the PHY of another node.
Figure 5-7. Remote Command Packet Format
00
phy_ID
00
type(8)
000
port
0000
0000
cmnd
Logical Inverse of the first quadlet
Table 5-7. Remote Command Packet
Field
Description
phy_ID
Physical ID of the destination packet
type
Extended PHY packet type; set to 8 for Remote command packet
port
Port of the PHY of the operating node
cmnd
Command
0: NOP
1: Disables the port after transmission of the TX_DISABLE_NOTIFY
2: Suspend initiator
4: Clears to 0 the Fault bit of the port
5: Enables the port
6: Resumes the port
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