DM9008 Ver la hoja de datos (PDF) - Davicom Semiconductor, Inc.
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DM9008 Datasheet PDF : 68 Pages
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Configuration Register C (CONFIG.C)
DM9008
ISA/Plug & Play Super Ethernet Contoller
This register is configured during RESET and EEPROM read states.
CONFIG.C can be read from address 0BH of page 2 of ENC.
7
6
5
4
3
2
1
0
--
PnP
--
--
BPS3
BPS2
BPS1
BPS0
Bit
0-3
4-5
6
7
Symbol
BPS0
BPS1
BPS2
BPS3
--
PnP
--
Description
BOOT PROM Select: Selects address at which boot ROM begins and size of boot ROM
bit3
bit2
bit1
bit0
Address
Size
0
0
0
X
X
No boot ROM
0
0
1
0
C0000H
16K
0
0
1
1
C4000H
16K
0
1
0
0
C8000H
16K
0
1
0
1
CC000H 16K
0
1
1
0
D0000H
16K
0
1
1
1
D4000H
16K
1
0
0
0
D8000H
16K
1
0
0
1
DC000H 16K
1
0
1
0
C0000H
32K
1
0
1
1
C8000H
32K
1
1
0
0
D0000H
32K
1
1
0
1
D8000H
32K
1
1
1
0
C0000H
64K
1
1
1
1
D0000H
64K
These four bits can be updated by writing new values to this register
Reserved
DM9008 is in PnP state when this bit is set
Reserved
12
Final
Version: DM9008-DS-F02
November 30, 2000
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