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): 8/48頁
文件大?。?/td> 290K
代理商: UPD72850AGK-9EU
Data Sheet S14452EJ1V0DS00
8
μ
PD72850A
1.2 Link Interface Pins
Name
Pin No.
I/O
Function
D0
15
I/O
Data input/output (bit 0)
D1
16
I/O
Data input/output (bit 1)
D2
18
I/O
Data input/output (bit 2)
D3
19
I/O
Data input/output (bit 3)
D4
21
I/O
Data input/output (bit 4)
D5
22
I/O
Data input/output (bit 5)
D6
24
I/O
Data input/output (bit 6)
D7
25
I/O
Data input/output (bit 7)
CTL0
12
I/O
Link interface control (bit 0)
CTL1
13
I/O
Llink interface control (bit 1)
LREQ
6
I
Link request input
SCLK
9
O
Link control output clock
LPS 1: 49.152 MHz output
LPS 0: Clamp to 0 (The clock signal will be output within 25
μ
sec after change
to “0”)
LPS
5
I
Link power status input
0: Link power off
1: Link power on (PHY/Link direct connection)
Clock signal of about 300 kHz (if isolation)
LKON
78
O
Link-on signal output pin
Link-on signal is 6.144 MHz clock output.
Please refer to
4.2 Link-on Indication
.
Direct
77
I
PHY/Link isolation barrier control input
0: Isolation barrier
1: PHY/Link direct connection
1.3 Control Pins
Name
Pin No.
I/O
Function
PC0
2
I
PC1
1
I
PC2
79
I
Power class set input
This pin status will be loaded to Pwr_class bit which allocated to PHY register 4H.
IEEE1394-1995 chapter [4.3.4.1]
CMC
3
I
Configuration manager capable setting.
This pin status will be loaded to Contender bit which allocated to PHY register 4H.
0: Non contender
1: Contender
RESETB
30
I
Power on reset input.
Connect to DGND through a 0.1
μ
F capacitor.
0: Reset
1: Normal
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