Renesas SH7781 - Manual (Page 585)

13. PCI Controller (PCIC)
Rev.1.00 Jan. 10, 2008 Page 555 of 1658
REJ09B0261-0100
Signal Name
PCI Standard
Signal I/O
Description
LOCK/ODDF LOCK
STRI PCI Lock
Exclusive access (the target resource is locked) is
accepted when the PCIC is a target
IDSEL IDSEL IN PCI Configuration Device Select
This signal is input to select the PCIC in configuration
cycles (only in normal mode).
DEVSEL/
DCLKOUT
DEVSEL
STRI PCI Device Select
Indicates the PCIC has decoded the address of the PCI
device as the target. When this signal is an input signal,
it indicates that the PCIC has been selected.
SCIF0_CTS/
INTD
INTD IN
Interrupt D
Indicates that a PCI device is requesting PCI interrupts.
Only in host mode.
DREQ3/INTC INTC IN
Interrupt C
Indicates that a PCI device is requesting PCI interrupts.
Only in host mode.
DREQ2/INTB INTB IN
Interrupt B
Indicates that a PCI device is requesting PCI interrupts.
Only in host mode.
INTA INTA
O/D Interrupt A
Indicates that a PCI device is requesting PCI interrupts
in host mode. This signal is output so that the PCIC can
request interrupts in normal mode.
REQ3 REQ3
IN PCI Bus Request (only in host mode)
REQ2 to REQ1 REQ[2:1]
IN PCI Bus Request (only in host mode)
GNT3 GNT3
TRI PCI Bus Grant (only in host mode)
GNT2 to GNT1 GNT[2:1]
TRI PCI Bus Grant (only in host mode)
REQ0/REQOUT REQ0
TRI PCI Bus Request (input/output in host mode, and
output in normal mode)
GNT0/GNTIN GNT0
TRI PCI Bus Grant (output/input in host mode, and input in
normal mode)
SERR SERR
O/D PCI System Error
PERR PERR
TRI PCI Parity Error
PCIRESET
— OUT PCI Reset Output