User`s guide

The XMI
2.5.11 Transaction Examples
Examples are found in the following subsections:
• Single Quadword Reads
• Multiple Quadword Reads
• Longword and Quadword Writes
• Multiple Quadword Writes
2.5.11.1 Single Quadword Reads
The four types of single quadword reads are:
• Longword Read
• Longword Interlock Read (IREAD)
• Quadword Read
• Quadword Interlock Read
Figure 2–24 Read Transaction
0123 4567
FUNCT
DATA
ID
CONF
ARB
|
|
|
|
|CMD |
|READ|
|CMDR|
|
|
|
|
|
|
|
|
|GRD0|
|DATA|
|CMDR|
|
|
|
|
|
|... |
|
|
|
|
ACK = acknowledge; ARB = arbitration winner; DATN = data n;
CMD = command; CMDR = commander; CRDN = corrected read data n;
FUNCT = Function; GRDN = good read data n; RESP = responder:
WDAT = write data; WRTM = write mask
|CMDR|
| |ACK |
|
| | |ACK |
|| |RESP| |
msb−p176−89
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