Visible to Intel only — GUID: sam1403479684876
Ixiasoft
Visible to Intel only — GUID: sam1403479684876
Ixiasoft
5.8.1. Programmable Current Strength
You can use the programmable current strength to mitigate the effects of high signal attenuation that is caused by a long transmission line or a legacy backplane.
I/O Standard | I OH / I OL Current Strength Setting (mA) (Default setting in bold) |
Supported in HPS (SoC Devices Only) |
|
---|---|---|---|
Arria® V GX, GT, SX, and ST | Arria® V GZ | ||
3.3-V LVTTL | 8 , 4 | 16, 12 , 8, 4 | Yes |
3.3-V LVCMOS | 2 | 16, 12 , 8, 4 | Yes |
3.0-V LVTTL | 16, 12 , 8, 4 | — | Yes |
3.0-V LVCMOS | 16, 12 , 8, 4 | — | Yes |
2.5-V LVCMOS | 16, 12 , 8, 4 | 16, 12 , 8, 4 | Yes |
1.8-V LVCMOS | 12 , 10, 8, 6, 4, 2 | 12 , 10, 8, 6, 4, 2 | Yes |
1.5-V LVCMOS | 12 , 10, 8, 6, 4, 2 | 12 , 10, 8, 6, 4, 2 | Yes |
1.2-V LVCMOS | 8 , 6, 4, 2 | 8 , 6, 4, 2 | — |
SSTL-2 Class I | 12, 10, 8 | 12, 10, 8 | — |
SSTL-2 Class II | 16 | 16 | — |
SSTL-18 Class I | 12, 10, 8 , 6, 4 | 12, 10, 8 , 6, 4 | Yes |
SSTL-18 Class II | 16 | 16 , 8 | Yes |
SSTL-15 Class I | 12, 10, 8 , 6, 4 | 12, 10, 8 , 6, 4 | Yes |
SSTL-15 Class II | 16 | 16 , 8 | Yes |
1.8-V HSTL Class I | 12, 10, 8 , 6, 4 | 12, 10, 8 , 6, 4 | — |
1.8-V HSTL Class II | 16 | 16 | — |
1.5-V HSTL Class I | 12, 10, 8 , 6, 4 | 12, 10, 8 , 6, 4 | Yes |
1.5-V HSTL Class II | 16 | 16 | Yes |
1.2-V HSTL Class I | 12, 10, 8 , 6, 4 | 12, 10, 8 , 6, 4 | — |
1.2-V HSTL Class II | 16 | 16 | — |
For the Arria® V GZ devices, the 3.3 V LVTTL and 3.3 V LVCMOS I/O standards are supported using V CCIO and V CCPD at 3.0 V .
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