CS8900A-IQZ View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
'CS8900A-IQZ' PDF : 138 Pages View PDF
CS8900A
Crystal LAN™ Ethernet Controller
An enabled interrupt occurs.
T he selected interrupt
request pin is driven high
(active) if not already high.
The host reads the ISQ.
The selected interrupt
request pin is driven low .
E X IT .
Yes
In te r ru p ts
re -e n a b le d .
(In te rru p ts
w ill be
d is a b le d
for at least
1.6 us.)
ISQ = 0000h?
No
W hich
Event
report
type?
RxEvent
Process applicable
RxEvent bits: Extradata,
Runt, CRCerror, RxO K.
TxEvent
Process applicable
TxEvent bits: 16coll, Jabber,
O ut-of-window, TxO K.
BufEvent
Process applicable BufEvent
bits: RxDest, Rx128, RxM iss,
TxUnderrun, Rdy4Tx,
RxD MAFrame, SW int.
RxM ISS
Process RxMISS counter.
TxCOL
Process TxCO L counter.
None of the above
Figure 19. Interrupt Status Queue
Service
De fault
CIRRUS LOGIC PRODUCT DATASHEET
DS271F4
79
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