Freescale Semiconductor MPC8260 User Manual
Page 150

Memory Map
MPC8260 PowerQUICC II Family Reference Manual, Rev. 2
3-4
Freescale Semiconductor
0x101A5
Reserved
—
24 bits
—
—
0x101A8
Internal memory map register (IMMR)
R/W
32 bits
reset
configuration
0x101AC
PCI base register 0 (PCIBR0)
2
R/W
bits
0x0000_0000
0x101B0
PCI base register 1 (PCIBR1)
2
R/W
32 bits
0x0000_0000
0x101B4–
0x101C3
Reserved
—
16 bytes
—
—
0x101C4
PCI mask register 0 (PCIMSK0)
2
R/W
32 bits
0x0000_0000
0x101C8
PCI mask register 1 (PCIMSK1)
2
R/W
32 bits
0x0000_0000
0x101CC–
0x101FF
Reserved
—
52 bytes
—
—
System Integration Timers
0x10200–
0x10 21F
Reserved
—
32 bytes
—
—
0x10220
Time counter status and control register (TMCNTSC)
R/W
16 bits
0x0000
0x10224
Time counter register (TMCNT)
R/W
32 bits
0x0000_0000
0x10228
Reserved
—
32 bits
—
—
0x1022C
Time counter alarm register (TMCNTAL)
R/W
32 bits
0x0000_0000
0x10230–
0x1023F
Reserved
—
16 bytes
—
—
0x10240
Periodic interrupt status and control register (PISCR)
R/W
16 bits
0x0000
0x10244
Periodic interrupt count register (PITC)
R/W
32 bits
0x0000_0000
0x10248
Periodic interrupt timer register (PITR)
R
32 bits
0x0000_0000
0x1024C–
0x102A8
Reserved
—
92 bytes
—
—
0x102AA–
0x1042F
Reserved
—
372
bytes
—
—
PCI
2
0x10430
Outbound interrupt status register (OMISR)
2
R/W
32 bits
0x0000_0000
0x10434
Outbound interrupt mask register (OMIMR)
2
R/W
32 bits
0x0000_0000
0x10440
Inbound FIFO queue port register (IFQPR)
2
R/W
32 bits
0x0000_0000
0x10444
Outbound FIFO queue port register (OFQPR)
2
R/W
32 bits
0x0000_0000
0x10450
Inbound message register 0 (IMR0)
2
R/W
32 bits
undefined
0x10454
Inbound message register 1 (IMR1)
2
R/W
32 bits
undefined
Table 3-1. Internal Memory Map (continued)
Address
(offset)
Register
R/W
Size
Reset
Section/Page