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AX88172ATF

更新时间： 2024-01-21 16:31:51
品牌 Logo 应用领域
亚信 - ASIX 微控制器和处理器串行IO控制器通信控制器外围集成电路局域网以太网局域网（LAN）标准
页数 文件大小 规格书
45页 915K
描述
USB 2.0 to 10/100M Fast Ethernet Controller

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AX88172ATF 技术参数

是否Rohs认证： 符合生命周期：Contact Manufacturer
Reach Compliance Code：compliant风险等级：5.68
JESD-30 代码：S-PQFP-G80端子数量：80
最高工作温度：70 °C最低工作温度：
封装主体材料：PLASTIC/EPOXY封装代码：QFP
封装等效代码：TQFP80,.48SQ,16封装形状：SQUARE
封装形式：FLATPACK电源：1.8,3.3 V
认证状态：Not Qualified子类别：Serial IO/Communication Controllers
表面贴装：YES技术：CMOS
温度等级：COMMERCIAL端子形式：GULL WING
端子节距：0.4 mm端子位置：QUAD
uPs/uCs/外围集成电路类型：SERIAL IO/COMMUNICATION CONTROLLER, LANBase Number Matches：1

AX88172ATF 数据手册

 浏览型号AX88172ATF的Datasheet PDF文件第6页浏览型号AX88172ATF的Datasheet PDF文件第7页浏览型号AX88172ATF的Datasheet PDF文件第8页浏览型号AX88172ATF的Datasheet PDF文件第10页浏览型号AX88172ATF的Datasheet PDF文件第11页浏览型号AX88172ATF的Datasheet PDF文件第12页 
AX88772A/AX88172A  
Low-pin-count  
USB 2.0 to 10/100M Fast Ethernet Controller  
1.0 Introduction  
1.1 General Description  
The AX88772A/AX88172A Low-pin-count USB 2.0 to 10/100M Fast Ethernet controller is a high performance and  
highly integrated ASIC which enables low cost, small form factor, and simple plug-and-play Fast Ethernet network  
connection capability for desktops, notebook PC’s, Ultra-Mobile PC’s, docking stations, game consoles, digital-home  
appliances, and any embedded system using a standard USB port.  
The AX88772A/AX88172A features a USB interface to communicate with a USB Host Controller and is compliant with  
USB specification V1.1 and V2.0. The AX88772A/AX88172A implements a 10/100Mbps Ethernet LAN function based  
on IEEE802.3, and IEEE802.3u standards with 24KB of embedded SRAM for packet buffering. The  
AX88772A/AX88172A integrates an on-chip 10/100Mbps Ethernet PHY to simplify system design.  
The AX88172A provides an optional External Media Interface (EMI) for external PHY or external MAC for different  
application purposes. The EMI can be a media-independent interface (MII) for implementing 100BASE-FX Ethernet or  
HomePNA functions. The EMI can also be a Reverse-MII or Reverse Reduced-MII (Reverse-RMII) for glueless  
MAC-to-MAC connections to any MCU with Ethernet MAC MII or RMII interface. In addition, the EMI can be  
configured to Dual-PHY mode allowing AX88172A to act as an Ethernet PHY or USB 2.0 PHY for external MAC device  
that needs Ethernet and USB interfaces in their system applications. The optional serial interface such as I2C, SPI, and  
UART are provided as a control channel from the USB Host Controller to communicate with the external MCU chip.  
The AX88772A/AX88172A needs 12MHz clock for USB operation and 25Mhz clock for Fast Ethernet operation. The  
AX88772A is housed in the 64-pin LQFP and the AX88172A is housed in the 80-pin TQFP RoHS compliant package.  
1.2 Block Diagram  
MAC  
Core  
10/100M  
Ethernet  
PHY  
Memory  
Arbiter  
24KB SRAM  
RXIP/RXIN  
TXOP/TXON  
EECS  
EECK  
EEDIO  
SEEPROM  
Loader I/F  
AX88172A only  
External Media Interface  
MII /  
Reverse-MII /  
Reverse-RMII  
USB to  
Ethernet  
Bridge  
PHY/MAC  
mode Bridge  
General Purpose  
I/O  
GPIO_2~0  
SI_3~0  
STA  
MDC / MDIO  
Serial I/F  
Controller:  
UART/I2C/SPI  
USB Core and Interfaces  
3.3 to 1.8V  
Regulator  
PLL Clock  
Generators  
Power-On-Reset  
& Reset Gen.  
DP/DM  
RESET_N  
XTL25P, XTL25N  
XTL12P, XTL12N  
Figure 7 : AX88772A/AX88172A Block Diagram  
9
ASIX ELECTRONICS CORPORATION  
 
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