SH7751 Datasheet, PDF (1003/1224 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

22. PCI Controller (PCIC)
Bits 31 to 1—Reserved: These bits always returns 0 when read. Always write 0 to these bits when
writing.
Bit 0—DMA Arbitration Mode (DMABT): Controls the DMA arbitration mode.
Bit 0: DMABT
0
1
Description
Priority-fixed (Channel 0 > Channel 1 > Channel 2 > Channel 3)
(Initial value)
Pseudo round-robin
22.2.28 PCI DMA Transfer PCI Address Register [3:0] (PCIDPA [3:0])
Bit: 31
30
29
28
27
26
25
24
PDPA31 PDPA30 PDPA29 PDPA28 PDPA27 PDPA26 PDPA25 PDPA24
Initial value:
0
0
0
0
0
0
0
0
PCI-R/W: R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
PP Bus-R/W: R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Bit: 23
22
21
20
19
18
17
16
PDPA23 PDPA22 PDPA21 PDPA20 PDPA19 PDPA18 PDPA17 PDPA16
Initial value:
0
0
0
0
0
0
0
0
PCI-R/W: R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
PP Bus-R/W: R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Bit: 15
14
13
12
11
10
9
PDPA15 PDPA14 PDPA13 PDPA12 PDPA11 PDPA10 PDPA9
Initial value:
0
0
0
0
0
0
0
PCI-R/W: R/W
R/W
R/W
R/W
R/W
R/W
R/W
PP Bus-R/W: R/W
R/W
R/W
R/W
R/W
R/W
R/W
8
PDPA8
0
R/W
R/W
Bit:
Initial value:
PCI-R/W:
PP Bus-R/W:
7
PDPA7
0
R/W
R/W
6
PDPA6
0
R/W
R/W
5
PDPA5
0
R/W
R/W
4
PDPA4
0
R/W
R/W
3
PDPA3
0
R/W
R/W
2
PDPA2
0
R/W
R/W
1
PDPA1
0
R/W
R/W
0
PDPA0
0
R/W
R/W
Rev.4.00 Oct. 10, 2008 Page 905 of 1122
REJ09B0370-0400