saa7146a NXP Semiconductors, saa7146a Datasheet - Page 13

• Manufacturer Part Number: saa7146a
• Description: Multimedia Bridge, High Performance Scaler And Pci Circuit Spci
• Manufacturer: NXP Semiconductors

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PCI-bus
physical address
data
SHADOW RAM
MEMORY MANAGEMENT
REGISTER
MODULE
MASTER
MODULE
SLAVE
AND
PCI
PCI
bus command
data
byte enable
(MMU)
address
UNIT
CE
EOT
new Tr
INTERNAL ARBITRATION
Fig.3 Block diagram of the PCI interface.
logic
address
CONTROL
REGISTER PROGRAMMING
(INTAC)
ERROR MANAGER
SEQUENCER
bus requests
(RPS)
(EMA)
channel select
CONTROL
(FICO)
FIFO
I
2
C-BUS REGISTER
AUDIO FIFO1 OUT
AUDIO FIFO2 OUT
AUDIO FIFO1 IN
AUDIO FIFO2 IN
REGISTER
SETS
FIFO1
FIFO2
FIFO3
CONTROL
(FINC)
INPUT
FIFO
interrupts
DEBI data/request
video/audio
data streams
MHB047