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AX88178 参数 Datasheet PDF下载

AX88178图片预览
型号: AX88178
PDF下载: 下载PDF文件 查看货源
内容描述: USB转10/100/1000千兆位以太网/ HomePNA的控制器 [USB to 10/100/1000 Gigabit Ethernet/HomePNA Controller]
分类和应用: 控制器以太网局域网(LAN)标准
文件页数/大小: 37 页 / 930 K
品牌: ASIX [ ASIX ELECTRONICS CORPORATION ]
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AX88178  
USB to 10/100/1000 Gigabit Ethernet/HomePNA Controller  
6.2.1.4 PHY Read Register (07h, read only)  
Bit7  
Bit6  
Bit5  
Bit4  
Bit3  
Bit2  
Bit1  
Bit1  
Bit1  
Bit0  
AA [7:0]  
00h  
CC [7:0]  
AA [4:0]: The PHY ID value.  
CC [4:0]: The register address of Ethernet PHY’s internal register.  
AA [7:5]: Reserved  
CC [7:5]: Reserved  
6.2.1.5 PHY Write Register (08h, write only)  
Bit7  
Bit6  
Bit5  
Bit4  
Bit3  
Bit2  
Bit0  
AA [7:0]  
00h  
CC [7:0]  
AA [4:0]: The PHY ID value.  
CC [4:0]: The register address of Ethernet PHY’s internal register.  
AA [7:5]: Reserved  
CC [7:5]: Reserved  
6.2.1.6 Serial Management Status Register (09h, read only)  
Bit7  
Bit6  
Bit5  
Bit4  
Bit3  
Bit2  
Bit0  
Reserved  
Host_EN  
Host_EN: Host access Enable. Software can read this register to determine the current ownership of Serial  
Management Interface.  
1: Software is allowed to access Ethernet PHY’s internal registers via PHY Read Register or PHY Write Registers.  
0: ASIC’s hardware owns the Serial Management Interface and software’s access is ignored.  
6.2.1.7 Hardware Serial Management Control Register (0Ah, write only)  
When software is done accessing Serial Management Interface, one needs to issue this command to release the  
ownership of the Interface back to ASIC’s hardware. After issuing this command, following PHY Read Register or  
PHY Write Register from software will be ignored. NOTE: Software should issue this command every time after  
finished accessing Serial Management Interface to release the ownership back to hardware to allow periodic Interrupt  
Endpoint to be able to access the Ethernet PHY’s registers via the Serial Management Interface.  
6.2.1.8 SROM Read Register (0Bh, read only)  
Bit7  
Bit6  
Bit5  
Bit4  
Bit3  
Bit2  
Bit1  
Bit0  
AA [7:0]  
AA [7:0]: The read address of Serial EEROM.  
18  
ASIX ELECTRONICS CORPORATION