MCIMX25_10 Datasheet, PDF (49/134 Pages) Freescale Semiconductor, Inc – i.MX25 Applications Processor for Automotive Products

3.7.2.3.1 UDMA In-Transfer Timing
Figure 15 shows the timing for UDMA in-transfer start.
ADDR
DMARQ
DMACK
DIOR
DIOW
tack
tenv
IORDY
DATA READ
tds
tc1 tc1
tdh
Figure 15. Timing for UDMA In-Transfer Start
Figure 16 shows the timing for host-terminated UDMA in-transfer.
ADDR
DMARQ
tack
DMACK
DIOR
DIOW
IORDY
DATA READ
trp
tc1 tc1 tx1
tds
tdh
DATA WRITE
tmli
tmli
tzah
tzah ^{ton tdzfs tcvh toff}
buffer_en
Figure 16. Timing for Host-Terminated UDMA In-Transfer
i.MX25 Applications Processor for Automotive Products, Rev. 5
Freescale Semiconductor
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