DP8390 NSC [National Semiconductor], DP8390 Datasheet - Page 18

• Manufacturer Part Number: DP8390
• Description: NIC Network Interface Controller
• Manufacturer: NSC [National Semiconductor]

10 0 Internal Registers
RA0–RA3
00H
01H
02H
03H
04H
05H
06H
07H
Command (CR)
Page Start Register
(PSTART)
Page Stop Register
(PSTOP)
Remote Next Packet
Pointer
Transmit Page Start
Address (TPSR)
Local Next Packet
Pointer
Address Counter
(Upper)
Address Counter
(Lower)
RD
Page 2 Address Assignments (PS1
Command (CR)
Current Local DMA
Address 0 (CLDA0)
Current Local DMA
Address 1 (CLDA1)
Remote Next Packet
Pointer
Reserved
Local Next Packet
Pointer
Address Counter
(Upper)
Address Counter
(Lower)
(Continued)
WR
18
Note Page 2 registers should only be accessed for diagnostic purposes
They should not be modified during normal operation
Page 3 should never be modified
RA0– RA3
0AH
0BH
0CH
0DH
08H
09H
0EH
0FH
e
1 PS0
e
Reserved
Reserved
Reserved
Reserved
Receive Configuration
Register (RCR)
Transmit Configuration
Register (TCR)
Data Configuration
Register (DCR)
Interrupt Mask Register
(IMR)
0)
RD
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
WR