CS8900A-CQZ View Datasheet(PDF) - Cirrus Logic
Part Name
Description
Manufacturer
CS8900A-CQZ Datasheet PDF : 138 Pages
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CS8900A
Crystal LAN™ Ethernet Controller
Receive Frame
Yes DA Filter No
Passed?
RxDest set.
Host may read the DA
(first 6 received bytes).
Yes 64 bytes
R e ce iv e d ?
No
Discard Frame
EOF
No
Received?
Yes
RxDest cleared
and Runt set.
If RuntA is set,
fram e accepted and
Host may read frame.
Yes 128 bytes
R e c e iv ed ?
Rx128 set and
RxDest cleared.
Host may read first
128 received bytes.
No
EOF
No
Received?
Yes
RxDest cleared and
RxOK or CRCerror
set, as approp ria te .
If RxOKA or CRCerrorA
is set, fram e accepted and
Host may read frame.
EOF
No
Received?
Yes
Rx128 cleared and
RxOK, CRCerror or
Extradata set, as
appropriate. If ExtradataA,
RxOKA or CRCerrorA is
set, frame is accepted and
Host may read fram e.
Figure 22. Early Interrupt Generation
CIRRUS LOGIC PRODUCT DATASHEET
84
DS271F4
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