Digi NS9750 User Manual

Page 461

Advertising
background image

w w w . d i g i e m b e d d e d . c o m

4 3 7

P C I - t o - A H B B r i d g e

PCI Bridge AHB to PCI Memory Address Translate 0 register

Address: A030 0034

The PCI Bridge AHB-to-PCI Memory Address Translate 0 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

PALT3VAL

0x00

Bits [31:25] of PCI address when AHB address
[27:25] = 011.

D23

Hardwired to
0

Reserved

N/A

N/A

D22:16

R/W

PALT2VAL

0x00

Bits [31:25] of PCI address when AHB address
[27:25] = 010.

D15

Hardwired to
0

Reserved

N/A

N/A

D14:08

R/W

PALT1VAL

0x00

Bits [31:25] of PCI address when AHB address
[27:25] = 001.

D07

Hardwired to
0

Reserved

N/A

N/A

D06:00

R/W

PALT0VAL

0x00

Bits [31:25] of PCI address when AHB address
[27:25] - 000.

Table 273: PCI Bridge AHB-to-PCI Memory Address Translate 0 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

PALT3VAL

Rsvd

Rsvd

Rsvd

PALT2VAL

PALT1VAL

PALT0VAL

Advertising