AEROFLEX GAISLER
71
RT-SPW-ROUTER
Copyright Aeroflex Gaisler AB
June 2012, Version 1.2
5.4
Signal definitions and reset values
The signals and their reset values are described in table 64.
Table 64. Signal definitions and reset values
Signal name
Type
Function
Active
Reset value
pci_clk
Input
PCI clock
-
-
pci_rst
Input
Reset
Low
-
pci_gnt
Input
Grant signal
Low
-
pci_idsel
Input
Device select during configuration
High
-
pci_ad[31:0]
Input/Output
Address and Data bus
High
Tri.state
pci_cbe[3:0]
Input/Output
Bus command and byte enable
Low
Tri-state
pci_par
Input/Output
Parity signal
High
Tri-state
pci_frame
Input/Output
Cycle frame
Low
Tri-state
pci_devsel
Input/Output
Device select
Low
Tri-state
pci_irdy
Input/Output
Initiator ready
Low
Tri-state
pci_trdy
Input/Output
Target ready
Low
Tri-state
pci_stop
Input/Output
Stop
Low
Tri-state
pci_perr
Input/Output
Parity error
Low
Tri-state
pci_serr
Input/Output
System error
Low
Tri-state
pci_req
Input/Output
Request signal
Low
Logical 1
pci_int
Output
Interrupt signal
Low
Tri-state
