cxd3220r Sony Electronics, cxd3220r Datasheet - Page 42

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

6-5-2-2. Quadlet Receive
The format for Quadlet Receive is shown below.
The first quadlet contains the Destination ID and other packet headers. The second and third quadlets contain
16-bit Source ID and 48-bit Destination Offset for request, or Response code for response. The fourth quadlet
contains data for Read request and Quadlet Write request, and Data Length and Reserved for Block Read
request. The last quadlet contains packet receive status.
Quadlet Write Request Receive Format
Block Read Request Receive Format
Quadlet Read Response Receive Format
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
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
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
destinationID
destinationID
destinationID
dataLength
sourceID
sourceID
sourceID
destinationOffsetLow
destinationOffsetLow
quadlet data
quadlet data
spd
spd
spd
– 42 –
rCode
tLabel
tLabel
tLabel
destinationOffsetHigh
destinationOffsetHigh
rt
rt
rt
tCode
tCode
tCode
acksent
acksent
acksent
priority
priority
priority
0
0
0
CXD3220R