Ahb arbiter gen configuration register, Table 171: ahb arbiter gen configuration register – Digi NS9750 User Manual

Page 306

Advertising
background image

S y s t e m c o n f i g u r a t i o n r e g i s t e r s

2 8 2

N S 9 7 5 0 H a r d w a r e R e f e r e n c e

AHB Arbiter Gen Configuration register

Address: A090 0000

The AHB Arbiter Gen Configuration register contains miscellaneous control settings
for the AHB bus arbiter.

Register bit assignment

Bits

Access

Mnemonic

Reset

Description

D31:01

N/A

Reserved

N/A

N/A

D00

R/W

EXMA

0x0

CPU external memory access mode

0

Enable direct access to external memory through Slv1

1

Disable direct access to external memory, arbitrate
with other masters through Slv0

Table 171: AHB Arbiter Gen Configuration register

EXMA

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

Reserved

Reserved

Advertising