PNX1301 PHILIPS [NXP Semiconductors], PNX1301 Datasheet - Page 288

• Manufacturer Part Number: PNX1301
• Description: Media Processors
• Manufacturer: PHILIPS [NXP Semiconductors]

PNX1300/01/02/11 Data Book
22-4
Figure 22-4. PCI-XIO Bus interface controller block diagram
Figure 22-3. PCI-XIO Bus device implementation block diagram
Unit (BIU)
PCI
Bus
Interface
Unit (BIU)
PCI
Bus
Interface
PRELIMINARY SPECIFICATION
XIO Bus
Controller
PCI Device
Address [31:24]
PNX1300 Initiator
Data Out [23:0]
Address [23:0]
Data In [31:0]
Data Out [31:24]
C/BE
PCI Bus
DEVSEL
TRDY
XIO Bus
XIO Config Reg
PCI-XIO Bus Controller
PNX1300
Tie REQ to GNT for stand alone (no host) case
=
Bus Timing
XIO Controls
+ Wait States
PCI_AD[23:0]
PCI_INTB#
PCI_INTB# = XIO Bus Active As Target
PCI
Device
Clock
PCI_AD[31:0]
ROM
PCI
Device
PCI_AD[31:24]
PCI_C/BE0#: IORD#
PCI_C/BE1#: IOWR#
PCI_C/BE2#: DS#
PCI_C/BE3#
PCI_AD[31:24]
PCI_AD[23:00]
PCI_INTB# = Chip Enable
PCI-XIO Bus
PCI_TRDY#
PCI_INTA#, INTC#, INTD#
Philips Semiconductors
PCI_DEVSEL#
PCI_CLK
PCI Controls: Frame, etc.
PCI_AD[31:0]
PCI_REQ#
PCI_GNT#
PCI
Host
x86
Device
etc.
PCI_AD[31:0]
PCI_AD[31:24]