CS8900A
Crystal LAN™ ISA Ethernet Controller
Control and Configuration Bits
Register
F
E
D
C
B
A
9
8
7
6
Number Name
(Offset)
Reserved (register contents undefined)
1
Extra RuntiE
dataiE
CRC
erroriE
Buffer
CRC
AutoRx RxDMA RxOKiE StreamE Skip_1
3
RxCFG
RxCTL
TxCFG
TxCMD
BufCFG
DMAE
only
(0102h)
Extra RuntA
dataA
CRC
errorA
Broad
castA
Individ
ualA
Multi
castA
RxOKA Promis IAHash
cuousA
5
A
(0104h)
16colli
E
AnycolliE
Jab
Out-of- TxOKiE SQErro- Loss-of-
7
beriE windowiE
riE
CRSiE (0106h)
TxPad- Inhibit-
Dis
Onecoll
Force
TxStart
9
CRC
(0108h)
RxD-
estiE
Miss
TxCol Rx128iE Rxmis- TxUnder- Rdy4Txi RxD- SWint-X
B
OvfloiE OvfloiE
siE
runiE
E
MAiE
(010Ah)
Reserved (register contents undefined)
D-11
LoRx
Squelch DefDis
HCB1 HCB0 HC1E HC0E
2-part Polarity
Mod
BackoffE
AutoAUI/ AUIonly
10BT
Ser
TxON
Ser
13
Line
CTL
Dis
RxON (0112h)
HWStan
dbyE
HW
SleepE
SW Sus-
pend
RESET
15
(0114h)
SelfCTL
BusCTL
TestCTL
Enabl
e IRQ
RxDMA IOCH
size RDYE
DMA
Burst
Memo- UseSA DMAex-
ryE tend
Reset
RxDMA (0116)
17
FDX
Disable AUIloop ENDEC
Backoff loop
Reserved (register contents undefined)
Disable
LT
19
(0118)
1B -1F
Table 15. Status and Control Register Descriptions
CIRRUS LOGIC PRODUCT DATA SHEET
50
DS271PP3
CIRRUS [ CIRRUS LOGIC ]
