HD6417615 Hitachi Semiconductor, HD6417615 Datasheet - Page 434

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HD6417615

Manufacturer Part Number
HD6417615
Description
Hardware Manual
Manufacturer
Hitachi Semiconductor
Datasheet

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10.2.5
RDLAR specifies the start address of the receive descriptor list. Descriptors have a boundary
configuration in accordance with the descriptor length indicated by the EDMR.DL bit.
Bits 31 to 0—Receive Descriptor Start Address 31 to 0 (RDLA31 to RDLA0)
Notes: The lower bits are set as follows according to the specified descriptor length.
Initial value:
Initial value:
Initial value:
Initial value:
16-byte boundary: RDLA[3:0] = 0000
32-byte boundary: RDLA[4:0] = 00000
64-byte boundary: RDLA[5:0] = 000000
Modifications made to this register during reception are invalid. This register should only
be modified while reception is disabled.
Rx Descriptor List Address Register (RDLAR)
R/W:
R/W:
R/W:
R/W:
Bit:
Bit:
Bit:
Bit:
RDLA31 RDLA30 RDLA29 RDLA28 RDLA27 RDLA26 RDLA25 RDLA24
RDLA23 RDLA22 RDLA21 RDLA20 RDLA19 RDLA18 RDLA17 RDLA16
RDLA15 RDLA14 RDLA13 RDLA12 RDLA11 RDLA10 RDLA9
RDLA7
R/W
R/W
R/W
R/W
31
23
15
0
0
0
7
0
RDLA6
R/W
R/W
R/W
R/W
30
22
14
0
0
0
6
0
RDLA5
R/W
R/W
R/W
R/W
29
21
13
0
0
0
5
0
RDLA4
R/W
R/W
R/W
R/W
28
20
12
0
0
0
4
0
RDLA3
R/W
R/W
R/W
R/W
27
19
11
0
0
0
3
0
RDLA2
R/W
R/W
R/W
R/W
26
18
10
0
0
0
2
0
RDLA1
R/W
R/W
R/W
R/W
25
17
0
0
9
0
1
0
RDLA8
RDLA0
R/W
R/W
R/W
R/W
24
16
0
0
8
0
0
0
419

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