- 您现在的位置：买卖IC网 > PDF目录1912 > DP83848HSQ/NOPB (National Semiconductor)IC TXRX ETHERNET PHYTER 40-LLP PDF资料下载
参数资料
| 型号： | DP83848HSQ/NOPB |
| 厂商： | National Semiconductor |
| 文件页数： | 4/82页 |
| 文件大小： | 0K |
| 描述： | IC TXRX ETHERNET PHYTER 40-LLP |
| 产品培训模块： | PHYTER® Family |
| 标准包装： | 1 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | 以太网 |
| 电源电压： | 3 V ~ 3.6 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 40-WFQFN 裸露焊盘 |
| 供应商设备封装： | 40-LLP-EP（6x6） |
| 包装： | 剪切带 (CT) |
| 配用： | DP83848H-MAU-EK-ND - BOARD EVALUATION DP83848H |
| 其它名称： | *DP83848HSQ/NOPB DP83848HSQCT |
第1页第2页第3页当前第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页第47页第48页第49页第50页第51页第52页第53页第54页第55页第56页第57页第58页第59页第60页第61页第62页第63页第64页第65页第66页第67页第68页第69页第70页第71页第72页第73页第74页第75页第76页第77页第78页第79页第80页第81页第82页
11
www.national.com
DP
83
84
8
H
1.4 LED Interface
See Table 3 for LED Mode Selection.
1.5 Reset
1.6 Strap Options
DP83848H uses many functional pins as strap options.
The values of these pins are sampled during reset and
used to strap the device into specific modes of operation.
The strap option pin assignments are defined below. The
functional pin name is indicated in parentheses.
A 2.2 k
resistor should be used for pull-down or pull-up to
change the default strap option. If the default option is
required, then there is no need for external pull-up or pull
down resistors. Since these pins may have alternate func-
tions after reset is deasserted, they should not be con-
nected directly to VCC or GND.
25MHz_OUT
O
21
25 MHz CLOCK OUTPUT:
This pin provides a 25 MHz clock output to the system. This al-
lows other devices to use the reference clock from the DP83848H
without requiring additional clock sources.
RMII Mode: This pin provides a 50 MHz clock output to the sys-
tem. For RMII mode, it is not recommended that the system clock
out be used as the reference clock to the MAC without first verify-
ing the interface timing. See AN-1405 for more details.
Signal Name
Type
Pin #
Description
Signal Name
Type
Pin #
Description
LED_LINK
S, O, PU
22
LINK LED: In Mode 1, this pin indicates the status of the LINK.
The LED will be ON when Link is good.
LINK/ACT LED: In Mode 2, this pin indicates transmit and receive
activity in addition to the status of the Link. The LED will be ON
when Link is good. It will blink when the transmitter or receiver is
active.
Signal Name
Type
Pin #
Description
RESET_N
I, PU
23
RESET: Active Low input that initializes or re-initializes the
DP83848H. Asserting this pin low for at least 1
s will force a reset
process to occur. All internal registers will re-initialize to their de-
fault states as specified for each bit in the Register Block section.
All strap options are re-initialized as well.
Signal Name
Type
Pin #
Description
PHYAD0 (COL)
PHYAD1 (RXD_0)
PHYAD2 (RXD_1)
PHYAD3 (RXD_2)
PHYAD4 (RXD_3)
S, O, PU
S, O, PD
35
36
37
38
39
PHY ADDRESS [4:0]: The DP83848H provides five PHY ad-
dress pins, the state of which are latched into the PHYCTRL reg-
ister at system Hardware-Reset.
The DP83848H supports PHY Address strapping values 0
(<00000>) through 31 (<11111>). A PHY Address of 0 puts the
part into the MII Isolate Mode. The MII isolate mode must be se-
lected by strapping Phy Address 0; changing to Address 0 by reg-
ister write will not put the Phy in the MII isolate mode. Please refer
to section 2.3 for additional information.
PHYAD0 pin has weak internal pull-up resistor.
PHYAD[4:1] pins have weak internal pull-down resistors.
相关PDF资料 |
PDF描述 |
|---|---|
| DP83848YB/NOPB | IC TXRX ETHERNET PHYTERA 48-LQFP |
| DRM4000-N00-232 | DRM 4000 MODULE |
| DRM4000L-N00-232 | MODULE DEAD RECKONING RS-232 |
| DS100BR111SQE/NOPB | IC REPEATER 10.3GBPS 2CH 24LLP |
| DS10BR254TSQX/NOPB | IC LVDS REPEAT 1.5GBPS 1:4 40LLP |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DP83848I | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Industrial Temperature Single Port 10/100 Mb/s Ethernet Physical Layer Transceiver |
| DP83848I_08 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:PHYTER? - Industrial Temperature Single Port 10/100 Mb/s Ethernet Physical Layer Transceiver |
| DP83848I-MAU-EK | 功能描述:BOARD EVALUATION DP83848I RoHS:否 类别:编程器，开发系统 >> 评估演示板和套件 系列:- 标准包装:1 系列:PCI Express® (PCIe) 主要目的:接口，收发器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要属性:- 次要属性:- 已供物品:板 |
| DP83848I-MAU-EK/NOPB | 功能描述:以太网开发工具 DP83848 MAU CARD IND TEMP RoHS:否 制造商:Micrel 产品:Evaluation Boards 类型:Ethernet Transceivers 工具用于评估:KSZ8873RLL 接口类型:RMII 工作电源电压: |
| DP83848I-POE-EK | 功能描述:以太网开发工具 DP83848 POE CARD IND TEMP RoHS:否 制造商:Micrel 产品:Evaluation Boards 类型:Ethernet Transceivers 工具用于评估:KSZ8873RLL 接口类型:RMII 工作电源电压: |
发布紧急采购，3分钟左右您将得到回复。