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參數(shù)資料
| 型號： | 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)： | 7/48頁 |
| 文件大小： | 290K |
| 代理商： | UPD72850AGK-9EU |
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Data Sheet S14452EJ1V0DS00
7
μ
PD72850A
1. PIN FUNCTIONS
1.1 Cable Interface Pins
Name
Pin No.
I/O
Function
TpA0p
60
I/O
First port twisted pair cable A positive phase I/O
TpA0n
59
I/O
First port twisted pair cable A negative phase I/O
TpB0p
58
I/O
First port twisted pair cable B positive phase I/O
TpB0n
57
I/O
First port twisted pair cable B negative phase I/O
TpA1p
56
I/O
Second port twisted pair cable A positive phase I/O
TpA1n
55
I/O
Second port twisted pair cable A negative phase I/O
TpB1p
54
I/O
Second port twisted pair cable B positive phase I/O
TpB1n
53
I/O
Second port twisted pair cable B negative phase I/O
TpA2p
52
I/O
Third port twisted pair cable A positive phase I/O
TpA2n
51
I/O
Third port twisted pair cable A negative phase I/O
TpB2p
50
I/O
Third port twisted pair cable B positive phase I/O
TpB2n
49
I/O
Third port twisted pair cable B negative phase I/O
PORTDIS
64
I
Port disable.
SUS/RES(71pin)=“1”
This selected state will be loaded to Disabled bit which allocated PHY register
Port Status Page when power-on reset.
The PORTDIS pin is ignored except power-on reset.
1: All 3 ports will be disabled.
0: All 3 ports will be enabled.
SUS/RES(71pin)=“0”
Combination with PSEL(66pin) input the supported number of port will be
selected.
Please refer to PSEL.
Supported number of Port select (This function will be activated only under
SUS/RES=“0”).
64pin
66pin
1Port(Port0)
0
1
2Port(Port0,1)
1
0
3Port(Port0-2)
0
0
PSEL
66
I
When SUS/RES=“1”, this pin should be connected to AGND.
SUS/RES
71
I
Suspend/Resume function select
1: Suspend/Resume on (P1394a draft 2.1 compliant)
0: Suspend/Resume off (P1394a draft 1.3 compliant)
CPS
43
I
Power cable status.
Connect to the cable through a 390 k
resistor.
0: Cable power fail
1: Cable power on
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