83C795 Datasheet, PDF (54/136 Pages) List of Unclassifed Manufacturers – Ethernet System Controller

ETHERNET SYSTEM CONTROLLER REGISTERS
83C795
ADDRESS FUNCTION NAME BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0
00
CONTROL
CR
RNIC
MENB
— ^CR4
CR3
RP15 RP14 RP13
01
EEROM
RD ER STORE RC
EA4
UNLOCK JMP3 JMP2 JMP1 JMP0
01
EEROM
WR ER STORE RC
EA4
UNLOCK EA3
EA2 EA1
EA0
02
IO PIPE LOW
IOPL
IOP7
IOP6 IOP5
IOP4
IOP3 IOP2 IOP1
IOP0
03
IO PIPE HIGH IOPH IOP15 IOP14 IOP13 IOP12 IOP11 IOP10 IOP9 IOP8
04
HW SUPP
RD HWR SWH
— ^{ETHER HOST16} — ^{ISTAT PNPJMP GPOE}
HW SUPP
WR HWR SWH
—
—
— ^NUKE
—
— ^GPOE
05
BIOS PAGE
BPR
M16EN BP15 BP14 BP13
—
— ^{SOFT1 SOFT0}
06
INT CONTROL ICR
MCTEST STAG IOPAV IOPEN SINT MASK2 MASK1 EIL
07
REVISION
REV
CHIP3 CHIP2 CHIP1 CHIP0 REV3 REV2 REV1 REV0
IO PIPE ADDR IOPA
IOPA7 IOPA6 IOPA5 IOPA4 IOPA3 IOPA2 IOPA1 IOPA0
08 SWH=0 LAN ADDR0
LAN0 LN07
LN06 LN05
LN04
LN03 LN02 LN01
LN00
09 SWH=0 LAN ADDR1
LAN1 LN15
LN14 LN13
LN12
LN11 LN10 LN09
LN08
0A SWH=0 LAN ADDR2
LAN2 LN23
LN22 LN21
LN20
LN19 LN18 LN17
LN16
0B SWH=0 LAN ADDR3
LAN3 LN31
LN30 LN29
LN28
LN27 LN26 LN25
LN24
0C SWH=0 LAN ADDR4
LAN4 LN39
LN38 LN37
LN36
LN35 LN34 LN33
LN32
0D SWH=0 LAN ADDR5
LAN5
LNMSB LN46 LN45
LN44
LN43 LN42 LN41
LN40
0E SWH=0 BOARD ID
BDID
BDID7 BDID6 BDID5 BDID4 BDID3 BDID2 BDID1 BDID0
0F SWH=0 CHECKSUM
CKSM CHK7
CHK6 CHK5 CHK4 CHK3 CHK2 CHK1 CHK0
08 SWH=1 GENERAL CNTL2 GCR2 —
—
—
—
—
—
—
PNPIOP
0A SWH=1 I/O ADDRESS IAR
IA15
IA14 IA13
IA8
IA7
IA6
IA5
PNPBOOT
0B SWH=1 RAM BASE
RAR
HRAM RA17 RAMSZ1 RAMSZ0 RA16 RA15 RA14 RA13
0C SWH=1 BIOS BASE
BIO
FINE
BA17 BIOSZ1 BIOSZ0 BA16 BA15 BA14 BA13
0D SWH=1 GEN CONTROL GCR
XLENGTH IR2
OWS
RIPL
IR1
IR0
GPOUT LIT
0E SWH=1 ERF ADDR LOW ERFAL ERFA7 ERFA6 ERFA5 ERFA4 ERFA3 ERFA2 —
PNPEN
0F SWH=1 ERF ADDR HIGH ERFAH ERFA15 ERFA14 ERFA13 ERFA12 ERFA11 ERFA10 ERFA9 ERFA8
TABLE 5-13. HOST INTERFACE REGISTER SUMMARY
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