Processor Local Bus Functional Model Toolkit User's Manual

An error message is issued if the Mn_BE signal is not properly “replicated” as indicated in the
architecture specification for smaller masters connected to larger width PLB Arbiters.
8.6.6 Mn_size(0:3)
The following error messages are issued for this signal:
• Error 1.6.1
An error message is issued when a master changes this transfer qualifier from when a request to
transfer is made until the addressed slave asserts its Sln_addrAck, or the transfer is terminated via
Mn_abort, PLB_MnRearbitrate, or Mn_Timeout.
• Error 1.6.2
When Mn_request is active an error message is issued for the following combination of Mn_type
values (as shown in Table 2) and Mn_size values: (as shown in Table 3)
Table 2. Mn_type Values
Mn_type Mn_size
000 Any of the reserved size codes
001 Any of the reserved size codes or any line size code
010 Codes other than 0000
011 Codes other than 0000
100 Codes other than 0000
101 Codes other than 0000
110 Any of the reserved size codes
Table 3. Mn_size Values
Mn_size(0:3) Definition
0000 Transfer one to four bytes of a word starting at the target address.
0001 Transfer the 4-word line containing the target word
0010 Transfer the 8-word line containing the target word.
0011 Transfer the 16-word line containing the target word
0100 Reserved
0101 Reserved
0110 Reserved
0111 Reserved
1000 Burst Transfer - Bytes - Length determined by master
1001 Burst Transfer - Halfwords - Length determined by master
74 Processor Local Bus Functional Model Toolkit Version 4.9.2