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