Digi NS9750 User Manual
Page 462
P C I b u s a r b i t e r
4 3 8
N S 9 7 5 0 H a r d w a r e R e f e r e n c e
PCI Bridge AHB to PCI Memory Address Translate 1 register
Address: A030 0038
The PCI Bridge AHB-to-PCI Memory Address Translate 1 register translates the AHB
addresses sent to the PCI-to-AHB bridge to the appropriate PCI memory addresses.
Register bit assignment
Bits
Access
Mnemonic
Reset
Description
D31
Hardwired to
0
Reserved
N/A
N/A
D30:24
R/W
PALT7VAL
0x00
Bits [31:25] of PCI address when AHB address
[27:25] = 111.
D23
Hardwired to
0
Reserved
N/A
N/A
D22:16
R/W
PALT6VAL
0x00
Bits [31:25] of PCI address when AHB address
[27:25] = 110.
D15
Hardwired to
0
Reserved
N/A
N/A
D14:08
R/W
PALT5VAL
0x00
Bits [31:25] of PCI address when AHB address
[27:25] = 101.
D07
Hardwired to
0
Reserved
N/A
N/A
D06:00
R/W
PALT4VAL
0x00
Bits [31:25] of PCI address when AHB address
[27:25] = 100.
Table 274: PCI Bridge AHB-to-PCI Memory Address Translate 1 register
Rsvd
13
12
11
10
9
8
7
6
5
4
3
2
1
0
15
14
31
29
28
27
26
25
24
23
22
21
20
19
18
17
16
30
PALT7VAL
Rsvd
Rsvd
Rsvd
PALT6VAL
PALT5VAL
PALT4VAL