Intel Agilex User Manual page 13

2. Intel Agilex I/O Features and Usage
UG-20214 | 2019.04.02
I/O
Standard
Slew Rate
Control
Differential • Fast
HSUL-12 (Default)
• Medium
• Slow
Differential • Fast
POD12 (Default)
• Medium
• Slow
1.5 True —
Differential
Signaling
Table 4. Programmable IOE Feature Settings for Intel Agilex HPS I/O Bank
I/O Standard
Current Strength
1.8 V LVCMOS •
•
•
•
Send Feedback
Programmable IOE Feature
I/O Open-Drain Bus-Hold
Delay Output
Refer — —
to
device
data
sheet
Refer — —
to
device
data
sheet
Refer — —
to
device
data
sheet
Slew Rate
2 mA • Slow
4 mA • Fast (Default)
6 mA
8 mA (Default)
Weak Pull- Pre-
up Resistor Emphasis
— —
— —
— Off, Low
power
(Default),
Constant
impedance
Programmable IOE Feature
Weak Pull-up/
Pull-down Trigger/TTL
• Disable •
• Weak pull-up
with 20 kOhm
resistor •
(Default)
• Weak pull-up
with 50 kOhm
resistor
• Weak pull-up
with 80 kOhm
resistor
® ™
Intel Agilex General Purpose I/O and LVDS SERDES User Guide
De-Emphasis Differential
Output
Voltage
• Low
constant
impedance
• Medium
constant
impedance
• High
constant
impedance
• Off —
(Default)
• Low
• Medium
• High
• Low
constant
impedance
• Medium
constant
impedance
• High
constant
impedance
• Off —
• Low
• Medium
• High
(Default)
— • Low
• Medium
low
• Medium
high
(Default)
• High
Schmitt Open Drain
Input
Schmitt • Enable
Trigger
• Disable
(Default)
(Default)
TTL
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