Motorola MPC8260 User Manual
Page 123
![background image](/manuals/120797/123/background.png)
MOTOROLA
Chapter 3. Memory Map
3-3
Part I. Overview
10134
OR6
Option register bank 6
32 bits
10138
BR7
Base register bank 7
32 bits
1013C
OR7
Option register bank 7
32 bits
10140
BR8
Base register bank 8
32 bits
10144
OR8
Option register bank 8
32 bits
10148
BR9
Base register bank 9
32 bits
1014C
OR9
Option register bank 9
32 bits
10150
BR10
Base register bank 10
32 bits
10154
OR10
Option register bank 10
32 bits
10158
BR11
Base register bank 11
32 bits
1015C
OR11
Option register bank 11
32 bits
10160 Reserved
Ñ
8
bytes
Ñ
10168
MAR
Memory address register
32 bits
1016C
Reserved
Ñ
32 bits
Ñ
10170
MAMR
Machine A mode register
32 bits
10174
MBMR
Machine B mode register
32 bits
10178
MCMR
Machine C mode register
32 bits
1017C
Reserved
Ñ
48 bits
Ñ
10184
MPTPR
Memory periodic timer prescaler
16 bits
10188
MDR
Memory data register
32 bits
1018C
Reserved
Ñ
32 bits
Ñ
10190
PSDMR
60x bus SDRAM mode register
32 bits
10194
LSDMR
Local bus SDRAM mode register
32 bits
10198
PURT
60x bus-assigned UPM refresh timer
8 bits
1019C
PSRT
60x bus-assigned SDRAM refresh
timer
8 bits
101A0
LURT
Local bus-assigned UPM refresh timer 8 bits
101A4
LSRT
Local bus-assigned SDRAM refresh
timer
8 bits
101A8
IMMR
Internal memory map register
32 bits
101ACÐ101FF
Reserved
Ñ
84 bytes
Ñ
Table 3-1. Internal Memory Map (Continued)
Internal
Address
Abbreviation
Name
Size
Section/Page Number