RELEASED
PM7380 FREEDM-32P672
DATA SHEET
PMC-1990262
ISSUE 5
FRAME ENGINE AND DATA LINK MANAGER 32P672
Figure 6 – Receive Packet Descriptor Table
RPDTB[31:4] = Rx Packet Descriptor Table Base register
RPDR[14:0] = Receive Packet Descriptor Reference
RPD_ADDR[31:0] = Receive Packet Descriptor Address
Bit 31
Bit 0
0000
RPDTB[31:4]
+
0000
RPDR[14:0]
=
RPD_ADDR[31:0]
Bit 31
Bit 0
RPDTB
Dword 0
Dword 1
Dword 2
Dword 3
Dword 0
RPD 1
RPD 2
RPD_ADDR
Dword 3
Dword 0
Dword 3
RPD 32768
The Receive Packet Descriptor Table resides in host memory. The Rx Packet
Descriptor Table Base register resides in the RMAC672; this register is initialised
by the host. The RPDRs reside in host memory and are accessed using receive
packet queues which are described in the next section.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA,INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
50
PMC [ PMC-SIERRA, INC ]
