MPC8544COMEDEV Freescale Semiconductor, MPC8544COMEDEV Datasheet - Page 1046
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MPC8544COMEDEV
Manufacturer Part Number
MPC8544COMEDEV
Description
KIT DEV EXPRESS MPC8544COM
Manufacturer
Freescale Semiconductor
Type
MPUr
Datasheets
1.MPC8544VTALF.pdf
(117 pages)
2.MPC8544VTALF.pdf
(2 pages)
3.MPC8544VTALF.pdf
(1340 pages)
Specifications of MPC8544COMEDEV
Contents
Board
For Use With/related Products
MPC8544
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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PCI Bus Interface
17.4.2.11.4 PCI Type 0 Configuration Translation
Figure 17-59
register to the PCI_AD[31:0] signals on the PCI bus during the address phase of the configuration cycle.
For PCI type 0 configuration cycles, the PCI controller translates the device number field of the PCI
CFG_ADDR register into a unique IDSEL signal for up to 21 different devices. Each device connects its
IDSEL input to one of the PCI_AD[31:11] signals. For PCI type 0 configuration cycles, the PCI controller
translates the device number to ADn as shown in
For PCI type 0 translations, the function number and register number fields are copied without
modification onto the PCI_AD[10:2] signals during the address phase. The PCI_AD[1:0] signals are
17-62
0 1
31
Contents of PCI CFG_ADDR Register
E
PCI_AD[31:0] Signals
During Address Phase
1
2
3
No external configuration transaction takes place; rather, internal registers are accessed.
No IDSEL line asserted. Type0 configuration transaction is run, but ends with a master abort since no device responds.
A device number of all ones indicates a PCI special-cycle or interrupt-acknowledge transaction.
0b0_0001–0b0_1001
0b0_0000
0b0_1010
0b0_1011
0b0_1100
0b0_1101
0b0_1110
0b0_1111
0b1_0000
0b1_0001
0b1_0010
0b1_0011
000_0000
Binary
shows the PCI type 0 translation function performed on the contents of the PCI CFG_ADDR
Device Number
MPC8544E PowerQUICC III Integrated Host Processor Family Reference Manual, Rev. 1
Table 17-50. PCI Type 0 Configuration—Device Number to AD n Translation
IDSEL–Only One Signal High
7 8
Figure 17-59. PCI Type 0 Configuration Translation
Decimal
1–9
10
11
12
13
14
15
16
17
18
19
0
Bus Number
See
AD n Used for
IDSEL
AD31
AD11
AD12
AD13
AD14
AD15
AD16
AD17
AD18
AD19
Table 17-50
—
—
1
2
15 16
Table
Function Number
Device Number
17-50.
0b1_1111
0b1_0100
0b1_0101
0b1_0110
0b1_0111
0b1_1000
0b1_1001
0b1_1010
0b1_1011
0b1_1100
0b1_1101
0b1_1110
Binary
Device Number
20 21
11 10
Function/Register Number
3
2324
Register Number
Decimal
20
21
22
23
24
25
26
27
28
29
30
31
Freescale Semiconductor
AD n Used for
Reserved
29 30 31
2 1 0
IDSEL
AD20
AD21
AD22
AD23
AD24
AD25
AD26
AD27
AD28
AD29
AD30
—
00
00
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