r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 908

• 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)
23.3.30 Relay Enable Register (Port 0 to 1) (TSU_FWEN0)
TSU_FWEN0 enables or disables relay operations from the E-MAC-0 to E-MAC-1 (writing to the
relay FIFO).
Rev. 1.00 Oct. 01, 2007 Page 842 of 1956
REJ09B0256-0100
Bit
31
30 to 0
Initial value:
Initial value:
R/W:
R/W:
Bit:
Bit:
FWEN0
Bit Name
FWEN0

R/W
31
15

R
0
0
30
14


R
R
0
0
29
13


R
R
0
0
Initial
Value
0
All 0
28
12


R
R
0
0
27
11
R/W
R/W
R


R
R
0
0
26
10

R

R
0
0
Description
Port 0 to 1 Relay Operation Enable
0: Port 0 to 1 relay is disabled
1: Port 0 to 1 relay is enabled
When the value of bits FCM[2:0] in the relay FIFO size
select register (TSU_FCM) is set to H'4, setting this bit
to 1 is prohibited.
Reserved
These bits are always read as 0. The write value should
always be 0.
25


R
R
0
9
0
24


R
R
0
8
0
23


R
R
0
7
0
22


R
R
0
6
0
21

R

R
0
5
0
20

R

R
0
4
0
19


R
R
0
3
0
18


R
R
0
2
0
17


R
0
1
0
16


R
R
0
0
0