M1AFS250-FGG256I Actel Corporation, M1AFS250-FGG256I Datasheet - Page 174

• Manufacturer Part Number: M1AFS250-FGG256I
• Description: Actel Fusion Family Of Mixed Signal Fpgas
• Manufacturer: Actel Corporation

Device Architecture
Table 2-81 • Fusion Standard and Advanced I/O Attributes vs. I/O Standard Applications
2- 15 8
I/O Standards
LVTTL/LVCMOS 3.3 V
LVCMOS 2.5 V
LVCMOS 2.5/5.0 V
LVCMOS 1.8 V
LVCMOS 1.5 V
PCI (3.3 V)
PCI-X (3.3 V)
LVDS, BLVDS, M-LVDS
LVPECL
Note:
*This feature does not apply to the standard I/O banks, which are the north I/O banks of AFS090 and AFS250
devices
I/O Software Support
In the Fusion development software, default settings have been defined for the various I/O standards
supported. Changes can be made to the default settings via the use of attributes; however, not all I/O
attributes are applicable for all I/O standards.
can be manipulated by the user for each I/O standard.
Single-ended I/O standards in Fusion support up to five different drive strengths.
(output
SLEW
only)
✓
✓
✓
✓
✓
✓
(output only)
OUT_DRIVE
✓
✓
✓
✓
✓
(all macros
with OE)*
SKEW
✓
✓
✓
✓
✓
✓
✓
✓
R e visio n 1
Table 2-81
RES_PULL
✓
✓
✓
✓
✓
and
Table 2-82
(output only) COMBINE_REGISTER
OUT_LOAD
✓
✓
✓
✓
✓
✓
✓
list the valid I/O attributes that
✓
✓
✓
✓
✓
✓
✓
✓
✓