net2890 ETC-unknow, net2890 Datasheet - Page 71

• Manufacturer Part Number: net2890
• Description: Interface Controller
• Manufacturer: ETC-unknow

IOW#/DACK#
Specification
7.4.6 DMA Write to FIFO
* Write enable is the occurrence of both IOW# and DACK#.
Note: EOT#, IOW#, and DACK# must all be true for at least T7 for proper recognition of the EOT# pulse.
D[7:0]
EOT#
NAME
DRQ
____________________________________________________________________________________
T1
T2
T3
T5
T6
T7
0ns
DESCRIPTION
DRQ false from write enable true
Write enable false to DRQ true
Write enable width
Data setup to end of write enable
Data hold time from end of write enable
Width of EOT# pulse (see note)
335 Pioneer Way, Mountain View, California 94041
50ns
TEL [phone] FAX [phone]
T3
D0
NetChip Technology, Inc., 1999
Rev 2.0, Draft 9, July 16, 1999
T5
T6
http://www.netchip.com
T1
100ns
T2
MIN
NET2890 USB Interface Controller
42
60
25
25
150ns
5
0
T3
T7
MAX
64
D1
T5
T6
T1
200ns
UNIT
ns
ns
ns
ns
ns
ns
71