12 transmit flow, 12 transmit flow -34, Figure 9-16. transmit flow diagram -34 – Cirrus Logic EP93xx User Manual
Page 336
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9-34
DS785UM1
Copyright 2007 Cirrus Logic
1/10/100 Mbps Ethernet LAN Controller
EP93xx User’s Guide
9
9
9
9.2.3.12 Transmit Flow
Figure 9-16. Transmit Flow Diagram
Device Driver
Protocol Stack
XMIT Call
1
TX_Complete
Tx Descriptor
Queue
2
Transmit Frame
Data
Tx Status
Queue
PCI Bus
Transmit
Descriptor
Registers
TxDEQ
Transmit
Descriptor
Processor
MAC
Engine
LAN
Medium
3
4
5
6
7
8
9
11
10
M
e
m
o
ry
CS 8950
AHB
System
Memory
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