參數(shù)資料
型號: NS32490D
廠商: National Semiconductor Corporation
英文描述: NIC Network Interface Controller(NIC網(wǎng)絡(luò)接口控制器)
中文描述: NIC網(wǎng)絡(luò)接口控制器(NIC網(wǎng)絡(luò)接口控制器)
文件頁數(shù): 16/56頁
文件大?。?/td> 689K
代理商: NS32490D
9.0 Remote DMA
(Continued)
Remote DMA Autoinitialization from Buffer Ring
TL/F/8582–59
10.0 Internal Registers
All registers are 8-bit wide and mapped into two pages
which are selected in the Command Register (PS0, PS1).
Pins RA0–RA3 are used to address registers within each
page. Page 0 registers are those registers which are com-
monly accessed during NIC operation while page 1 registers
are used primarily for initialization. The registers are parti-
tioned to avoid having to perform two write/read cycles to
access commonly used registers.
10.1 REGISTER ADDRESS MAPPING
TL/F/8582–60
16
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