dp8390d National Semiconductor Corporation, dp8390d Datasheet - Page 16

• Manufacturer Part Number: dp8390d
• Description: Nic Network Interface Controller
• Manufacturer: National Semiconductor Corporation

9 0 Remote DMA
(Continued)
Remote DMA Autoinitialization from Buffer Ring
TL F 8582 – 59
10 1 REGISTER ADDRESS MAPPING
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
TL F 8582 – 60
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