r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 1036

• 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)
Table 23.5 Receive Frame Processing
[Legend]
MCT (Bit 13 in ECMR): Multicast receive mode (0: Receive when CAM mishit/1: Receive when
CAM hit)
Table 23.6 Relay Frame Process (With CAM)
Note: CAM can only be referenced by multicast frames and frames with destinations other than
Rev. 1.00 Oct. 01, 2007 Page 970 of 1956
REJ09B0256-0100
CAM Entry Table
Referencing
Results
CAM hit
(when addresses
match)
CAM mishit
(when addresses
do not match)
Frame
Multicast frame
Frames having destinations
other than this LSI
this LSI. The frames with destinations set to this LSI and broadcast frames are processed
based on the relay function setting register values, regardless of CAM reference.
Types of Frame
Frame to this LSI
Broadcast frame
Multicast frame
Frames having
destinations other
than this LSI
Frames to this LSI Received
Broadcast frame
Multicast frame
Frames having
destinations other
than this LSI
Relay Function Setting
Register Bit
FW40/1 = 0
FW40/1 = 1
FW40/1 = 0
FW40/1 = 1
Discarded
Received
Received
Normal Mode
MCT = 0
Discarded
Discarded
Received
Discarded
MCT = 1
Received
Discarded
CAM Hit
Relayed
Discarded
Relayed
Discarded
Promiscuous Mode
MCT = 0
Discarded
Discarded
Discarded
Discarded
Received
Received
Received
Received
CAM Mishit
Discarded
Relayed
Discarded
Relayed
MCT = 1
Received
Discarded