Freescale Semiconductor MPC8313E PowerQUICC II Pro Family Reference Manual page 587

Figure 13-2 shows the external PCI signals.
PCI_AD[31:0]
Address
PCI_C/BE[3:0]
and Data
PCI_PAR
37 signals
PCI_FRAME
PCI_TRDY
Interface
PCI_IRDY
Command
PCI_STOP
6 signals
PCI_DEVSEL
PCI_IDSEL
PCI1_RESET_OUT
PCI1_INTA
M66EN
Table 13-3 contains detailed descriptions of the external PCI interface signals.
Table 13-3. PCI Interface Signals—Detailed Signal Descriptions
Signal I/O
CPCI_HS_ENUM O
CPCI_HS_ES I
CPCI_HS_LED O
M66EN I
MPC8313E PowerQUICC™ II Pro Integrated Processor Family Reference Manual, Rev. 2
Freescale Semiconductor
32
4
1
1
1
1
1
1
1
1
1
1
Figure 13-2. PCI Interface External Signals
CompactPCI hot swap enumerator. Used for the hot swap interface to connect to the host as the
enumeration request in a compact PCI system. This signal is used for agent mode only.
State Asserted—This card was inserted and needs to be configured, or this card is about to be
extracted and needs to be removed from the system resources list.
Meaning
Negated—No action is needed.
Timing Assertion/Negation—No timing is specified
CompactPCI hot swap ejector switch. Used for agent mode only. In a compact PCI system this input
signal is used for the hot swap interface to connect to the ejector switch logic.
State Asserted—The switch is open.
Meaning
Negated—The switch is closed.
Timing Assertion/Negation—No timing is specified
CompactPCI hot swap LED. Used for the hot swap interface to connect to the hot swap LED in a
CompactPCI system. This signal is used for agent mode only.
State Asserted—Output is driving logic 1 to illuminate the hot swap LED.
Meaning Negated—Output is driving logic 0 to turn off the hot swap LED.
Timing Assertion/Negation—No timing is specified
66-MHz enable. Determines the AC timing of the PCI interface.
State Asserted—The PCI interface signals use the 66-MHz PCI AC timing parameters.
Meaning Negated—The PCI interface signals use the 33-MHz PCI AC timing parameters.
Timing Assertion/Negation—Constant
PCI_PERR
1
PCI_SERR
1
PCI_REQ[0:2]
5
PCI_GNT[0:2]
5
PCI_CLK[0:2]
3
CPCI_HS_ENUM
1
CPCI_HS_ES
1
CPCI_HS_LED
1
PCI_PME
1
Description
PCI Bus Interface
Error
Reporting
2 signals
Arbitration
6 signals
Power Mgmt
1 signal
13-5