cxd3220r Sony Electronics, cxd3220r Datasheet - Page 34

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

CXD3220R
6-5-1-2. Quadlet Transmit
The data format for quadlet transmit is shown below.
The first quadlet contains packet control information. The second and third quadlets contain 16-bit Destination
ID and 48-bit Destination Offset for request, or Response code for response. The fourth quadlet is quadlet data
for Read response and Quadlet Write request, and Data Length and Reserved for Block Read request.
Quadlet Write Request Transmit 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
0
spd
tLabel
rt
tCode
priority
destinationID
destinationOffsetHigh
destinationOffsetLow
quadlet data
Quadlet Read Response Transmit 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
0
spd
tLabel
rt
tCode
priority
destinationID
rCode
quadlet data
Block Read Request Transmit 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
0
spd
tLabel
rt
tCode
priority
destinationID
destinationOffsetHigh
destinationOffsetLow
dataLength
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