cxd3220r Sony Electronics, cxd3220r Datasheet - Page 39

• Manufacturer Part Number: cxd3220r
• Description: Ieee1394 Link/transaction Layer Controller Lsi For Sbp-2
• Manufacturer: Sony Electronics

6-5-1-5. Unformatted Transmit (Link-on Packet)
The data format for unformatted transmit during Link-on packet transmit is shown below.
The first quadlet contains packet control information. The remaining quadlets contain data, and are transmitted
regardless of format. There is no CRC attached to the packet data. Further, there is no CRC attached to the
first quadlet.
Logical-inverse is not added at Link Core, so it must be added when transmitting.
Unformatted Transmit Format 1 (Link-on Packet)
Unformatted Transmit (Link-on Packet) Fields
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
01
01
phy_ID
Field Name
phy_ID
Indicates that the transmit packet is a Link-on packet.
Indicates the Phy chip ID of this packet's Destination.
0000
logical inverse of 2nd quadlet data
0000
spd
– 39 –
0000
Description
0000
1
=1110
tCode
0000
priority
0000
0
CXD3220R