SH7760 Datasheet, PDF (785/1345 Pages) Renesas Technology Corp – SuperHTM RISC engine

Bit
Bit Name Initial Value R/W
31 to 4 BCED
All 0
R/W
3 to 0 
All 0
R
Description
Bulk Current ED Address
These bits store the start address of the bulk list to
be processed in the current frame.
Reserved
These bits are always read as 0. Always write 0 to
this bit.
21.3.13 Done Queue Head Pointer Register (HcDoneHead)
HcDoneHead stores the address of the last processed TD in the done queue.
Bit: 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
DH
Initial value: 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R/W: R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Bit: 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
DH
-
-
-
-
Initial value: 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R/W: R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Bit
Bit Name Initial Value R/W
31 to 4 DH
All 0
R
3 to 0 
All 0
R
Description
Done Queue Pointer Address
These bits store the address of the last processed
TD.
Reserved
These bits are always read as 0.
Rev. 1.0, 02/03, page 735 of 1294