Samsung S3C2500B User Manual page 322

ETHERNET CONTROLLER
Buffer
Descriptor
Start Address
Register
+
BRXBDCNT+0
. .
.
BRXBDCNT+1
. .
.
BRXBDCNT+(N-1)
NOTE: The BRxBS and BRxMFS of the BDMARXLEN register have to keep multiples of 16 in byte unit.
For long packet reception larger than 1518-byte, the BRxBS should be at least 4 bytes larger
than the BRxMFS or less than 1518-byte for the reception with a single or multiple buffer
descriptors, respectively.
7-12
buffer pointer #1
status length
buffer pointer #2
status length
. .
.
buffer pointer #N
status length
Memory for Rx bufer descriptor
Figure 7-4. Data Structure of the Receive Frame
. .
.
buffer #1
BRxBS of
BDMARXLEN
not used
. .
.
buffer #2
BRxBS of
BDMARXLEN
not used
. .
.
buffer #N
BRxBS of
BDMARXLEN
not used
Memory for frame
S3C2500B