Placement restrictions, Group pin placement – Altera PHYLite User Manual
Page 15

avl_writedata[5:0]
% of VCCN
100100
83.04%
100101
83.68%
100110
84.32%
100111
84.96%
101000
85.60%
101001
86.24%
101010
86.88%
101011
87.52%
101100
88.16%
101101
88.80%
101110
89.44%
101111
90.08%
110000
90.72%
110001
91.36%
110010
92.00%
110011 -> 111111
Reserved
Related Information
on page 16
For more information on the Avalon bus usage
Placement Restrictions
Group Pin Placement
Place each group in the interface into a set of lanes in the same bank, the number of which depends on the
number of pins used by the group. All groups in an interface must be placed across a contiguous set of
banks.
Table 8: Group Pin Placement
Number of Pins in Group
Valid DQS Group in a Bank
Valid Indices in a Bank
1-12
DQS for X8/X9
{0-11}/{12-23}/{24-35}/{36-47}
13-24
DQS for X16/X18
{0-23}/{24-47}
24-48
DQS for X32/X36
{0-47}
ug_altera_phylite
2015.01.16
Placement Restrictions
15
Altera PHYLite for Parallel Interfaces IP Core User Guide
Altera Corporation