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S3C2500B
Rx Buffer
Descriptor
Start Address
Pointer
HRXBDMAXCNT = #N
31
Buffer Data Pointer #1
Status
Buffer Length
Buffer Data Pointer #2
Status
Buffer Length
. .
.
Buffer Data Pointer #N
Buffer Length
Status
NOTE:
1.
Buffer length is accumulated until the last bit is set in STATUS.
Buffer data pointer indicates the buffer memory start address.
2.
After HRXBDMAXCNT Buffer Descriptors used, the Rx Buffer
Descriptor Address Pointer points start address.
Figure 8-12. Data Structure of the Receive Data Buffer
0
Buffer Data #1
Unused
Buffer Data #2
Unused
Buffer Data #N
Unused
HDLC CONTROLLER
. .
.
Rx Bufsize
Register
Value
. .
.
Rx Bufsize
Register
Value
. .
.
8-23
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