isp1181 NXP Semiconductors, isp1181 Datasheet - Page 58

• Manufacturer Part Number: isp1181
• Description: Isp1181 Full-speed Universal Serial Bus Interface Device
• Manufacturer: NXP Semiconductors

Philips Semiconductors
9397 750 08938
Product data
Fig 27. DMA read timing in DACK-only mode.
Fig 28. DMA write timing in DACK-only mode.
Fig 29. EOT timing in single-cycle DMA mode.
(1) t
(2) The RD/WR signals are not used in DACK-only DMA mode.
(3) The EOT condition is considered valid if DACK, RD/WR and EOT are all active (= LOW).
ASRP
RD/WR
DREQ
DREQ
DACK
DACK
DREQ
DATA
DATA
DACK
starts from DACK or RD/WR going LOW, whichever occurs later.
(2)
EOT
t ASRP
t WLIS
t RLIS
(1)
t RSIH
Rev. 04 — 30 October 2001
t EOT
(3)
t ASRP
t ASDV
t ASRP
t ASAP
t ASAP
t DVAP
t IHAP
t APDZ
t APRS
t APRS
t APDZ
© Koninklijke Philips Electronics N.V. 2001. All rights reserved.
Full-speed USB interface
ISP1181
MGS793
MGS794
MGS795
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