r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 850

• Manufacturer Part Number: r5s77631ay266bgv
• Description: Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
• Manufacturer: Renesas Electronics Corporation.

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