Owners manual

System
H3 Datasheet(Revision1.2) Copyright© 2015 Allwinner Technology Co.,Ltd.All Rights Reserved. Page 239
4.17.2.3. Region Size Table
Table 4-3. Region Size
Size<n>
Size of region<n>
Base address constraints
b000000-b001101
Reserved
-
b001110
32KB
-
b001111
64KB
Bit [15] must be zero
b010000
128KB
Bits [16:15] must be zero
b010001
256KB
Bits [17:15] must be zero
b010010
512KB
Bits [18:15] must be zero
b010011
1MB
Bits [19:15] must be zero
b010100
2MB
Bits [20:15] must be zero
b010101
4MB
Bits [21:15] must be zero
b010110
8MB
Bits [22:15] must be zero
b010111
16MB
Bits [23:15] must be zero
b011000
32MB
Bits [24:15] must be zero
b011001
64MB
Bits [25:15] must be zero
b011010
128MB
Bits [26:15] must be zero
b011011
256MB
Bits [27:15] must be zero
b011100
512MB
Bits [28:15] must be zero
b011101
1GB
Bits [29:15] must be zero
b011110
2GB
Bits [30:15] must be zero
b011111
4GB
Bits [31:15] must be zero
B100000
8GB
Bits [32:15] must be zero
4.17.2.4. Security inversion is disabled
Table 4-4. Region security permissions
SPN field
Secure Read
Secure Write
Non-secure Read
Non-secure Write
4b0000
No
No
No
No
4b0100
No
Yes
No
No
4b0001, 4b0101
No
Yes
No
Yes
4b1000
Yes
No
No
No
4b0010, 4b1010
Yes
No
Yes
No
4b1100
Yes
Yes
No
No
4b1001, 4b1101
Yes
Yes
No
Yes
4b0110, 4b1110
Yes
Yes
Yes
No
4b0011-4b1111
Yes
Yes
Yes
Yes
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