SH7763 Datasheet, PDF (875/2026 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 23 Gigabit Ethernet Controller (GETHER)
Initial
Bit
Bit Name Value R/W Description
23
RCSC
0
R/W Checksum Calculation
Specifies whether to perform automatic calculation
(hardware calculation) of the checksum of the receive
frame data unit.
0: Checksum is not automatically calculated
1: Checksum is automatically calculated
Note that the checksum calculation of a frame with a
VLAN tag is not supported.
22

0
R
Reserved
This bit is always read as 0. The write value should
always be 0.
21
DPAD
0
R/W Data Padding
0: Padding is inserted to data less than 60 bytes so it is
transmitted as 60-byte data
1: Padding is not inserted to data less than 60 bytes
and it is transmitted without changes
20
RZPF
0
R/W PAUSE Frame Reception with TIME = 0
0: Reception of a PAUSE frame whose TIME
parameter value is 0 is disabled
1: Reception of a PAUSE frame whose TIME
parameter value is 0 is enabled
Rev. 1.00 Oct. 01, 2007 Page 809 of 1956
REJ09B0256-0100