mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 365

• Manufacturer Part Number: mpc823rg
• Description: Mpc823 Powerquicc Integrated Communications Processor For Portable Systems
• Manufacturer: Freescale Semiconductor, Inc

15.3.1 Register Descriptions
15.3.1.1 BASE REGISTERS. The base registers (BR0-7) contain the base address and
address types that are used by the memory controller to compare the address bus with the
current address accessed. It also includes a memory attribute and selects the machine for
memory operation handling. After reset, BR0 is referred to as the Boot BR0 and it has a
special functionality until the first write to OR0.
BOOT BR0
BR x
*
RESET
RESET
RESET
RESET
This value depends on the value of the hard reset configuration word.
FIELD
ADDR
FIELD
ADDR
FIELD
ADDR
FIELD
ADDR
R/W
R/W
R/W
R/W
BIT
BIT
BIT
BIT
R/W
R/W
16
BA
16
BA
0
0
0
0
(IMMR & 0xFFFF0000) + 0x102 (BR0), 0x 10A (BR1), 0x 112, (BR2), 0x 11A (BR3), 0x 122 (BR4), 0x 12A (BR5), 0x 132 (BR6), 0x 13A (BR7)
(IMMR & 0xFFFF0000) + 0x100 (BR0), 0x 108 (BR1), 0x 110, (BR2), 0x 118 (BR3), 0x 120 (BR4), 0x 128 (BR5), 0x 130 (BR6), 0x 138 (BR7)
17
17
1
1
R/W
R/W
18
18
AT
AT
2
2
0
0
Freescale Semiconductor, Inc.
For More Information On This Product,
19
19
3
3
20
20
MPC823 REFERENCE MANUAL
4
4
R/W
R/W
PS
PS
*
0
Go to: www.freescale.com
21
21
5
5
(IMMR & 0xFFFF0000) + 0x 100
(IMMR & 0xFFFF0000) + 0x 102
PARE
PARE
R/W
R/W
22
22
6
0
6
0
R/W
R/W
WP
WP
23
23
7
0
7
0
R/W
R/W
BA
BA
0
0
24
24
8
8
R/W
R/W
MS
MS
0
0
25
25
9
9
10
26
10
26
11
27
11
27
RESERVED
RESERVED
R/W
R/W
12
28
12
28
0
0
Memory Controller
13
29
13
29
14
30
14
30
R/W
R/W
15-9
15
31
15
31
V
*
V
0