CS8900-CQ View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
CS8900-CQ Datasheet PDF : 132 Pages
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CS8900
F
16colliE
RxDestiE
HCB1
Enable
IRQ
FastTest
E
Extra
dataiE
Extra
dataA
LoRx
Squelch
HCB0
FDX
D
RuntiE
RuntA
TxPadDis
Miss
OvfloiE
2-part
DefDis
HC1E
RxDMA
size
Control and Configuration Bits
C
B
A
9
8
7
6
Reserved (register contents undefined)
CRC
erroriE
Buffer
CRC
AutoRx RxDMA RxOKiE StreamE Skip_1
DMAE
only
CRC
errorA
Broad
castA
Individ
ualA
Multi
castA
RxOKA Promis IAHashA
cuousA
AnycolliE JabberiE Out-of- TxOKiE SQEerror Loss-of-
windowiE
iE
CRSiE
Inhibit
CRC
Onecoll Force
TxStart
TxCol Rx128iE RxmissiE TxUnder Rdy4TxiE RxDMAiE SWint-X
OvfloiE
runiE
Reserved (register contents undefined)
Polarity Mod
Dis BackoffE
Auto AUIonly SerTxON SerRxON
AUI/10BT
HC0E
HW
HW
SW
StandbyE SleepE Suspend
RESET
IOCH
RDYE
DMA MemoryE UseSA
Burst
Reset
RxDMA
Disable AUIloop ENDEC
Backoff
loop
Disable
LT
Reserved (register contents undefined)
Register
Number Name
(Offset)
1
3
RxCFG
(0102h)
5
RxCTL
(0104h)
7
TxCFG
(0106h)
9
TxCMD
(0108h)
B
BufCFG
(010Ah)
D - 11
13 LineCTL
(0112h)
15
SelfCTL
(0114h)
17
BusCTL
(0116)
19 TestCTL
(0118)
1B - 1F
Status and Event Bits
F
E
D
C
B
A
9
8
7
6
Interrupt Status Queue
Reserved (register contents undefined)
Extra
data
Runt
CRC
error
Broad Individual Hashed RxOK
cast
Adr
Hash Table Index
(alternate RxEvent meaning if Hashed = 1 and RxOK =1)
Hashed RxOK
Reserved (register contents undefined)
16coll
Number-of-Tx-collisions
Jabber Out-of-
window
TxOK
Reserved (register contents undefined)
RxDest
Rx128 RxMiss TxUnder Rdy4Tx
run
Reserved (register contents undefined)
10-bit Receive Miss (RxMISS) counter, cleared when read
Dribble
bits
Dribble
bits
SQE
error
RxDMA
Frame
IAHash
IAHash
Loss-of-
CRS
SWint
10-bit Transmit Collision (TxCOL) counter, cleared when read
CRS
Polarity
OK
10BT
AUI LinkOK
EEsize
EL EEPROM EEPROM SIBUSY INITD
present
OK
present
Rdy4Tx TxBid
NOW
Err
Reserved (register contents undefined)
10-bit AUI Time Domain Reflectometer (TDR) counter, cleared when read
3.3V
Active
Reserved (register contents undefined)
Figure 4.2. Status and Control Register Summary
Register
Number Name
(Offset)
0
ISQ
(0120h)
2
4
RxEvent
(0124h)
4
RxEvent
(0124h) alternate
6
8
TxEvent
(0128h)
A
C
BufEvent
(012Ch)
E
10
RxMISS
(0130h)
12
TxCOL
(0132h)
14
LineST
(0134h)
16
SelfST
(0136h)
18
BusST
(0138h)
1A
1C
(013Ch)
TDR
1E
DS150PP2
47
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