2 receive flow, 2 receive flow -21, Figure 9-9. receive flow diagram -21 – Cirrus Logic EP93xx User Manual
Page 323
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DS785UM1
9-21
Copyright 2007 Cirrus Logic
1/10/100 Mbps Ethernet LAN Controller
EP93xx User’s Guide
9
9
9
9.2.3.2 Receive Flow
Figure 9-9. Receive Flow Diagram
Device Driver
Protocol Stack
RECV Call
11
Receive
Descriptor
Queue
1
Receive Frame
Data
Receive
Status Queue
PCI Bus
Receive
Descriptor
Registers
RxDEQ
Receive
Descriptor
Processor
MAC
Engine
LAN
Medium
2
3
4
7
5
8
9
12
10
M
e
m
o
ry
CS 8950
6
RxSEQ
AHB
System
Memory
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