Block Diagram - Toshiba TMPR4925 Manual

8.2

Block Diagram

DMAC
DMA
Control
Block
G-Bus
I/F
FIFO
(8
Words)
DMA Channel Arbiter
DMA
Channel 0
DMMCR
DMMFDR
DMA
Channel 1
DMA
Channel 2
DMA
Channel 3
Figure 8.2.1 DMA Controller Block Diagram
8-2
Chapter 8 DMA Controller
DMAREQ[0]
DMCHAR0
DREQ0
DMSAR0
DMAACK[0]
DMDAR0
DACK0
DMCNTR0
DMSAIR0
DMDAIR0
DMCCR0
PCFG.DMASEL0
DMCSR0
DMAREQ[1]
DMCHAR1
DREQ1
DMSAR1
DMAACK[1]
DMDAR1
DACK1
DMCNTR1
DMSAIR1
DMDAIR1
DMCCR1
PCFG.DMASEL1
DMCSR1
DMCHAR2
DREQ2
DMSAR2
DMDAR2
DACK2
DMCNTR2
DMSAIR2
DMDAIR2
DMCCR2
PCFG.DMASEL2
DMCSR2
DMCHAR3
DREQ3
DMSAR3
DMDAR3
DACK3
DMCNTR3
DMSAIR3
DMDAIR3
DMCCR3
PCFG.DMASEL3
DMCSR3
DMADONE*
External
Pins
Internal
I/O
External
Pins
Internal
I/O
Internal
I/O
Internal
I/O
External
Pins