SH7764 Datasheet, PDF (764/1752 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 19 Ethernet Controller (EtherC)
Initial
Bit
Bit Name Value R/W Description
2

0
R
Reserved
This bit is always read as 0. The write value should
always be 0.
1
DM
0
R/W Duplex Mode
Specifies the EtherC transfer method.
0: Half-duplex transfer is specified
1: Full-duplex transfer is specified
0
PRM
0
R/W Promiscuous Mode
Setting this bit enables all Ethernet frames to be
received. All Ethernet frames means all receivable
frames, irrespective of differences or enabled/disabled
status (destination address, broadcast address,
multicast bit, etc.).
0: EtherC performs normal operation
1: EtherC performs promiscuous mode operation
Rev. 1.00 Nov. 22, 2007 Page 708 of 1692
REJ09B0360-0100