MPC8280 datasheet(148/1386 Pages) FREESCALE

148 / 1386 page

Memory Map

MPC8280 PowerQUICC II Family Reference Manual, Rev. 1

3-4

Freescale Semiconductor

0x10158

Base register bank 11 (BR11)

R/W

32 bits

0x0000_0000

11.3.1/11-13

0x1015C

Option register bank 11 (OR11)

R/W

32 bits

undefined

11.3.2/11-15

0x10160

Reserved

—

8 bytes

—

0x10168

Memory address register (MAR)

R/W

32 bits

undefined

11.3.7/11-29

0x1016C

Reserved

—

32 bits

—

0x10170

Machine A mode register (MAMR)

R/W

32 bits

0x0004_0000

11.3.5/11-26

0x10174

Machine B mode register (MBMR)

R/W

32 bits

0x0004_0000

0x10178

Machine C mode register (MCMR)

R/W

32 bits

0x0004_0000

0x1017C

Reserved

—

48 bits

—

0x10184

Memory periodic timer prescaler (MPTPR)

R/W

16 bits

undefined

11.3.12/11-32

0x10188

Memory data register (MDR)

R/W

32 bits

undefined

11.3.6/11-28

0x1018C

Reserved

—

32 bits

—

0x10190

60x bus SDRAM mode register (PSDMR)

R/W

32 bits

0x0000_0000

11.3.3/11-20

0x10194

Local bus SDRAM mode register (LSDMR)

R/W

32 bits

0x0000_0000

11.3.4/11-24

0x10198

60x bus-assigned UPM refresh timer (PURT)

R/W

8 bits

0x00

11.3.8/11-30

0x10199

Reserved

—

24 bits

—

0x1019C

60x bus-assigned SDRAM refresh timer (PSRT)

R/W

8 bits

0x00

11.3.10/11-31

0x1019D

Reserved

—

24 bits

—

0x101A0

Local bus-assigned UPM refresh timer (LURT)

R/W

8 bits

0x00

11.3.9/11-30

0x101A1

Reserved

—

24 bits

—

0x101A4

Local bus-assigned SDRAM refresh timer (LSRT)

R/W

8 bits

0x00

11.3.11/11-32

0x101A5

Reserved

—

24 bits

—

0x101A8

Internal memory map register (IMMR)

R/W

32 bits

reset

configuration

4.3.2.7/4-36

0x101AC

PCI base register 0 (PCIBR0)

R/W

32 bits

0x0000_0000

4.3.4.1 / 49

0x101B0

PCI base register 1 (PCIBR1)

R/W

32 bits

0x0000_0000

4.3.4.1 / 49

0x101B4–

0x101C3

Reserved

—

16 bytes

—

0x101C4

PCI mask register 0 (PCIMSK0)

R/W

32 bits

0x0000_0000

4.3.4.2/4-50

0x101C8

PCI mask register 1 (PCIMSK1)

R/W

32 bits

0x0000_0000

4.3.4.2/4-50

0x101CC

–

0x101FF

Reserved

—

52 bytes

—

Table 3-1. Internal Memory Map (continued)

Address

(offset)

R/W

Size

Reset

Section/Page

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