RELEASED
DATA SHEET
PMC-2010333
ISSUE 3
PM7382 FREEDM-32P256
FRAME ENGINE AND DATA LINK MANAGER 32P256
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
RPDTB[31:4]
Bit 0
0000
+
RPDR[14:0]
0000
=
RPD_ADDR[31:0]
RPDTB
RPD 1
RPD_ADDR
RPD 2
Bit 31
Bit 0
Dword 0
Dword 1
Dword 2
Dword 3
Dword 0
Dword 3
Dword 0
RPD 32768
Dword 3
The Receive Packet Descriptor Table resides in host memory. The Rx Packet
Descriptor Table Base register resides in the RMAC256; 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
48
PMC [ PMC-SIERRA, INC ]
