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參數(shù)資料
| 型號： | DP83848C-MAU-EK |
| 廠商： | National Semiconductor |
| 文件頁數(shù)： | 7/86頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVALUATION DP83848C |
| 標準包裝： | 1 |
| 主要目的： | 接口，以太網(wǎng) |
| 已用 IC / 零件： | DP83848C |
| 已供物品： | 板 |
| 相關(guān)產(chǎn)品： | DP83848CVVX/NOPBTR-ND - TXRX ETHERNET PHYTER 48-LQFP DP83848CVV-ND - IC TXRX ETHERNET PHYTER 48-LQFP |
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14
DP
83
84
8C
1.7 10 Mb/s and 100 Mb/s PMD Interface
1.8 Special Connections
1.9 Power Supply Pins
Signal Name
Type
Pin #
Description
TD-, TD+
I/O
16, 17
Differential common driver transmit output (PMD Output Pair).
These differential outputs are automatically configured to either
10BASE-T or 100BASE-TX signaling.
In Auto-MDIX mode of operation, this pair can be used as the Re-
ceive Input pair.
These pins require 3.3V bias for operation.
RD-, RD+
I/O
13, 14
Differential receive input (PMD Input Pair). These differential in-
puts are automatically configured to accept either 100BASE-TX
or 10BASE-T signaling.
In Auto-MDIX mode of operation, this pair can be used as the
Transmit Output pair.
These pins require 3.3V bias for operation.
Signal Name
Type
Pin #
Description
RBIAS
I
24
Bias Resistor Connection. A 4.87 k
1% resistor should be con-
nected from RBIAS to GND.
PFBOUT
O
23
Power Feedback Output. Parallel caps, 10
F (Tantalum pre-
ferred) and 0.1
F, should be placed close to the PFBOUT. Con-
nect this pin to PFBIN1 (pin 18) and PFBIN2 (pin 37). See
Section 5.4 for proper placement pin.
PFBIN1
PFBIN2
I
18
37
Power Feedback Input. These pins are fed with power from
PFBOUT pin. A small capacitor of 0.1
F should be connected
close to each pin.
Note: Do not supply power to these pins other than from
PFBOUT.
RESERVED
I/O
8, 9, 10, 11,
12
RESERVED: These pins must be left unconnected.
RESERVED
I/O
20, 21
RESERVED: These pins must be pulled-up through 2.2 k
resis-
tors to AVDD33 supply.
Signal Name
Pin #
Description
IOVDD33
32, 48
I/O 3.3V Supply
IOGND
35, 47
I/O Ground
DGND
36
Digital Ground
AVDD33
22
Analog 3.3V Supply
AGND
15, 19
Analog Ground
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DP83848C-POE-EK | 功能描述:以太網(wǎng)開發(fā)工具 DP83848 POE CARD COMM TEMP RoHS:否 制造商:Micrel 產(chǎn)品:Evaluation Boards 類型:Ethernet Transceivers 工具用于評估:KSZ8873RLL 接口類型:RMII 工作電源電壓: |
| DP83848CVV | 制造商:Texas Instruments 功能描述:IC, 10/100 ETHERNET PHY, SMD, LQFP48 |
| DP83848CVV/NOPB | 功能描述:以太網(wǎng) IC PHYTER COMMERCIAL TEMP SGL PORT RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| DP83848CVV/NOPB | 制造商:Texas Instruments 功能描述:Ethernet Transceiver |
| DP83848CVVX | 制造商:Texas Instruments 功能描述:PHY 1-CH 10Mbps/100Mbps 48-Pin LQFP T/R |
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