MPC8533EVTANG Freescale Semiconductor, MPC8533EVTANG Datasheet - Page 1058

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MPC8533EVTANG

Manufacturer Part Number
MPC8533EVTANG
Description
MPU POWERQUICC 783-PBGA
Manufacturer
Freescale Semiconductor
Datasheets

Specifications of MPC8533EVTANG

Processor Type
MPC85xx PowerQUICC III 32-Bit
Speed
800MHz
Voltage
1V
Mounting Type
Surface Mount
Package / Case
783-FCPBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-

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PCI Express Interface Controller
The fields of the PCI Express configuration address register are described in
Both root complex (RC) and endpoint (EP) configuration headers contain 4096 bytes of address space. To
access a register within the header, both the extended register number and the register number fields are
concatenated to form the 4-byte aligned address of the register. That is, the register address is extended
register number || register number || 0b00.
18.3.2.2
The PCI Express configuration data register, show in
configuration access. Note that accesses of 1, 2, or 4 bytes to the PCI Express configuration data register
are allowed. Also note that accesses to the little-endian PCI Express configuration space must be properly
formatted. See
The fields of the PCI Express configuration data register are described in
18-10
16–20
21–23
24–29
30–31
8–15
0–31
Bits
Bits
1–3
4–7
0
Offset 0x004
Reset
Data
Name
EXTREGN
FUNCN
REGN
Name
BUSN
DEVN
W
R
EN
PCI Express Configuration Data Register (PEX_CONFIG_DATA)
MPC8533E PowerQUICC III Integrated Host Processor Family Reference Manual, Rev. 1
0
Section 18.4.1.2.1, “Byte Order for Configuration
Figure 18-3. PCI Express Configuration Data Register (PEX_CONFIG_DATA)
A read or write to this register starts a PCI Express configuration cycle if the PEX_CONFIG_ADDR enable
bit is set (PEX_CONFIG_ADDR[EN] = 1).
Enable. This bit allows a PCI Express configuration access when PEX_CONFIG_DATA is accessed. If
this bit is cleared, writing to PEX_CONFIG_DATA has no effect and reading PEX_CONFIG_DATA
returns unknown data.
Reserved
is, the registers in the offset range from 0x100 to 0xFFF).
Function number. Function to access within specified device
Register number. 32-bit register to access within specified device
Reserved
Extended register number. This field allows access to extended PCI Express configuration space (that
Bus number. PCI bus number to access
Device number. Device number to access on specified bus
Table 18-4. PEX_CONFIG_ADDR Field Descriptions
Table 18-5. PEX_CONFIG_DATA Field Descriptions
Figure
All zeros
Data
Description
Description
18-3, is a 32-bit port for internal and external
Transactions,” for more information.
Table
Table
18-5.
18-4.
Access: Read/Write
Freescale Semiconductor
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