Altera RapidIO II MegaCore Function User Manual
Page 94
4–52
Chapter 4: Functional Description
Logical Layer Interfaces
RapidIO II MegaCore Function
August 2014
Altera Corporation
User Guide
9 end
cos[7:0]
[95:88]
[79:72]
S
[87]
[71]
E
[86]
[70]
Reserved[2:0]
[85:83]
[69:67]
xh
[82]
[66]
O
[81]
[65]
P
[80]
[64]
length[15:0]
[79:64]
[63:48]
9 extended
packet
cos[7:0]
[95:88]
[79:72]
Reserved[1:0]
[87:86]
[71:70]
xtype[2:0]
[85:83]
[69:67]
xh
[82]
[66]
Reserved[1:0]
[81:80]
[65:64]
streamID[15:0]
[79:64]
[63:48]
TM_OP[3:0]
[63:60]
[47:44]
Reserved
[59]
[43]
wildcard[2:0]
[58:56]
[42:40]
mask[7:0]
[55:48]
[39:32]
parameter1[7:0]
[47:40]
[31:24]
parameter2[7:0]
[39:32]
[23:16]
10
Reserved[7:0]
[95:88]
[79:72]
transactionID[7:0]
[87:80]
[71:64]
info[15:0]
[79:64]
[63:48]
11
msglen[3:0]
[95:92]
[79:76]
ssize[3:0]
[91:88]
[75:72]
letter[1:0]
[87:86]
[71:70]
mbox[1:0]
[85:84]
[69:68]
msgseg[3:0]
or xmbox[3:0]
[83:80]
[67:64]
13
ttype[3:0]
[95:92]
[79:76]
size[3:0]
[91:88]
[75:72]
transactionID[7:0]
[87:80]
[71:64]
Note to
:
(1) In MAINTENANCE response packets, which have ftype value 8, replace the config_offset and wdptr fields with additional
reserved bits.
Table 4–26. specific_header Format on gen_tx_data Bus (Part 2 of 2)
ftype
Field
gen_tx_data Bits
Device ID Width 8
Device ID Width 16