Device Architecture
2-136
Revision 4
Figure 2-99 Fusion Pro I/O Bank Detail Showing VREF Minibanks (north side ofAFS600 and AFS1500)
Table 2-67 I/O Standards Supported by Bank Type
I/O Bank
Single-Ended I/O Standards
Differential I/O
Standards
Voltage-Referenced
Hot-
Swap
Standard I/O
LVTTL/LVCMOS 3.3 V, LVCMOS
2.5 V / 1.8 V / 1.5 V, LVCMOS
2.5/5.0 V
––
Yes
Advanced I/O LVTTL/LVCMOS 3.3 V, LVCMOS
2.5 V / 1.8 V / 1.5 V, LVCMOS
2.5/5.0 V, 3.3 V PCI / 3.3 V PCI-
X
LVPECL
and
LVDS
––
Pro I/O
LVTTL/LVCMOS 3.3 V, LVCMOS
2.5 V / 1.8 V / 1.5 V, LVCMOS
2.5/5.0 V, 3.3 V PCI / 3.3 V PCI-
X
LVPECL
and
LVDS
GTL+ 2.5 V / 3.3 V, GTL 2.5 V / 3.3 V,
HSTL Class I and II, SSTL2 Class I
and II, SSTL3 Class I and II
Yes
Bank 1
Bank 0
I/O
GND
I/O
GND
I/O
I/O Pad
If needed, the VREF for a given
minibank can be provided by
any I/O within the minibank.
CCC
Up to five VREF
minibanks within
an I/O bank
VREF signal scope is
between 8 and 18 I/Os.
Common VREF
signal for all I/Os
in VREF minibanks
VCCI
VCC
VCCI
VCC