r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 995
r5s77631ay266bgv
Manufacturer Part Number
r5s77631ay266bgv
Description
Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R5S77631AY266BGV.pdf
(2026 pages)
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23.3.83 Receive Descriptor Final Flag Register (RDFFR)
RDFFR indicates whether the receive descriptor for which the E-DMAC has just completed the
write-back processing and whose start address is stored in RDFXR is at the end of the receive
descriptor queue (descriptor list).
Bit
31 to 1
0
Initial value:
Initial value:
R/W:
R/W:
Bit:
Bit:
Bit Name
RDLF
31
15
R
R
0
0
30
14
R
R
0
0
29
13
R
R
0
0
Initial
Value
All 0
0
28
12
R
R
0
0
27
11
R
R
0
0
R/W
R
R/W
26
10
R
R
0
0
Description
Reserved
These bits are always read as 0. The write value should
always be 0.
Receive Descriptor Queue Last Flag
Indicates whether the receive descriptor for which the E-
DMAC has just completed the write-back processing
and whose start address is stored in RDFXR is at the
end of the receive descriptor queue (descriptor list).
0: Not the last descriptor in the receive descriptor queue
1: Last descriptor in the receive descriptor queue
25
R
R
0
9
0
24
R
R
0
8
0
Section 23 Gigabit Ethernet Controller (GETHER)
23
R
R
0
7
0
Rev. 1.00 Oct. 01, 2007 Page 929 of 1956
22
R
R
0
6
0
21
R
R
0
5
0
20
R
R
0
4
0
19
R
R
0
3
0
REJ09B0256-0100
18
R
R
0
2
0
17
R
0
1
0
RDLF
R/W
16
R
0
0
0
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