Motorola MPC8260 User Manual

Page 123

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MOTOROLA

Chapter 3. Memory Map

3-3

Part I. Overview

10134

OR6

Option register bank 6

32 bits

10.3.2/10-16

10138

BR7

Base register bank 7

32 bits

10.3.1/10-14

1013C

OR7

Option register bank 7

32 bits

10.3.2/10-16

10140

BR8

Base register bank 8

32 bits

10.3.1/10-14

10144

OR8

Option register bank 8

32 bits

10.3.2/10-16

10148

BR9

Base register bank 9

32 bits

10.3.1/10-14

1014C

OR9

Option register bank 9

32 bits

10.3.2/10-16

10150

BR10

Base register bank 10

32 bits

10.3.1/10-14

10154

OR10

Option register bank 10

32 bits

10.3.2/10-16

10158

BR11

Base register bank 11

32 bits

10.3.1/10-14

1015C

OR11

Option register bank 11

32 bits

10.3.2/10-16

10160 Reserved

Ñ

8

bytes

Ñ

10168

MAR

Memory address register

32 bits

10.3.7/10-29

1016C

Reserved

Ñ

32 bits

Ñ

10170

MAMR

Machine A mode register

32 bits

10.3.5/10-26

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

10.3.12/10-32

10188

MDR

Memory data register

32 bits

10.3.6/10-28

1018C

Reserved

Ñ

32 bits

Ñ

10190

PSDMR

60x bus SDRAM mode register

32 bits

10.3.3/10-21

10194

LSDMR

Local bus SDRAM mode register

32 bits

10.3.4/10-24

10198

PURT

60x bus-assigned UPM refresh timer

8 bits

10.3.8/10-30

1019C

PSRT

60x bus-assigned SDRAM refresh
timer

8 bits

10.3.10/10-31

101A0

LURT

Local bus-assigned UPM refresh timer 8 bits

10.3.9/10-30

101A4

LSRT

Local bus-assigned SDRAM refresh
timer

8 bits

10.3.11/10-32

101A8

IMMR

Internal memory map register

32 bits

4.3.2.7/4-34

101ACÐ101FF

Reserved

Ñ

84 bytes

Ñ

Table 3-1. Internal Memory Map (Continued)

Internal

Address

Abbreviation

Name

Size

Section/Page Number

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