net2890 ETC-unknow, net2890 Datasheet - Page 41

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

Specification
5.3.6 (Address 06h; IDXADDR) Index Register Address
5.3.7 (Address 07h; IDXDATA) Indexed Register Data
5.3.8 (Address 0Bh; PKTLENLSB) Packet Length (LSB)
5.3.9 (Address 0Ch; PKTLENMSB) Packet Length (MSB)
Bits
Bits
Bits
Bits
____________________________________________________________________________________
7:0
7:0
7:0
7:2
1:0
Description
Index Register Address. This register selects which indexed register is accessed
when the IDXDATA port is read or written.
Description
Indexed Register Data. This port provides access to the indexed data register
selected by IDXADDR.
Description
Packet Length LSB. This field provides the least significant bits of the length of the
last packet transferred. This field is not updated when setup packets are received,
because they have a fixed length of 8.
Description
Reserved.
Packet Length MSB. This field provides the most significant bits of the length of the
last packet transferred. This field is not updated when setup packets are received,
because they have a fixed length of 8.
335 Pioneer Way, Mountain View, California 94041
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NetChip Technology, Inc., 1999
Rev 2.0, Draft 9, July 16, 1999
http://www.netchip.com
NET2890 USB Interface Controller
Below
Read
Read
Read
Read
Yes
Yes
See
Yes
Yes
Write
Write
Write
Below
Write
Yes
See
No
No
No
Default
Default
Default
Default
Value
Value
Value
Below
Value
See
0
0
0
0
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