HD6417615 Hitachi Semiconductor, HD6417615 Datasheet - Page 465

• Manufacturer Part Number: HD6417615
• Description: Hardware Manual
• Manufacturer: Hitachi Semiconductor

450
Reception flowchart
SH7615 + memory
EtherC/E-DMAC
Descriptor and
buffer setting
initialization
transmit
Descriptor read (preparation
for receiving next frame)
Receive data transfer
Receive data transfer
Start of reception
Descriptor read
Descriptor write-back
Descriptor read
Descriptor write-back
Figure 10.5 Sample Reception Flowchart
E-DMAC
Reception
completed
Reception FIFO
EtherC
Frame reception
Ethernet