SH7764 Datasheet, PDF (806/1752 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 20 Ethernet Controller Direct Memory Access Controller (E-DMAC)
Transmit
descriptor
Transmit
buffer
Receive
descriptor
Receive
buffer
External memory
This LSI
Internal bus
External bus
interface
E-DMAC
Internal
bus
interface
Descriptor
information
Transmit DMAC
Descriptor
information
Receive DMAC
Transmit
FIFO
Receive
FIFO
EtherC
Figure 20.1 Configuration of E-DMAC, and Descriptors and Buffers
Rev. 1.00 Nov. 22, 2007 Page 750 of 1692
REJ09B0360-0100