SH7763 Datasheet, PDF (850/2026 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 23 Gigabit Ethernet Controller (GETHER)
Transmit/receive FIFO (for transmission: 2 Kbytes, for reception: 8 Kbytes)
Figure 23.1 shows the configuration of the GETHER.
SuperHyway (SHwy) bridge bus
GETHER
E-DMAC0
DMA transfer processing
Descriptor access
E-DMAC1
DMA tansfer processing
Descriptor access
Receive FIFO Transmit FIFO
(Port 0)
(Port 0)
Receive FIFO Transmit FIFO
(Port 1)
(Port 1)
TSU
Transfer
processing
CAM control
CAM entry
tables
Relay FIFO
(Port 0 Port 1)
Relay FIFO
(Port 0 Port 1)
Transfer
processing
CAM control
E-MAC-0
(Port 0)
Receive
processing unit
Transmit
processing unit
E-MAC-1
(Port 1)
Receive
processing unit
Transmit
processing unit
PHY interface
PHY interface
GMII/MII
RMII conversion
GMII/MII
RMII conversion
RMII
PHY-0
GMII/MII
RMII
PHY-1
GMII/MII
Figure 23.1 Configuration of GETHER
Rev. 1.00 Oct. 01, 2007 Page 784 of 1956
REJ09B0256-0100