Table of Contents
Advertisement
V
4120A
R
Initialize Registers
Prepare
Buffer Descriptors
and
Transmit Data
Set
Transmit Descriptor
address
Set Transmit Enable
Interrupt
Status Check
and
Preparation for
next data
304
CHAPTER 5 ETHERNET CONTROLLER
Figure 5-7. Transmit Procedure
Ethernet Controller
Initialize
Link Configuration
mem
Set XMDP
Set TXE
Get transmit data
Exceed TXDRTH
Carrier Sense
Send
Preamble/SFD
and
Data, FCS
mem
Write TX_Status
and
Read next Descriptor/data
Generate interrupt
(Transmit done)
Preliminary User's Manual S15543EJ1V0UM
External PHY Device
Auto Negotiation
Carrier Sense
Encode/Scramble
Advertisement
Table of Contents
