Programmable Ioe Features In Cyclone V Devices - Altera Cyclone V Device Handbook

CV-52005
2014.01.10

Programmable IOE Features in Cyclone V Devices

Table 5-24: Summary of Supported Cyclone V Programmable IOE Features and Settings
Feature
Slew Rate Control
I/O Delay
Open-Drain Output
Bus-Hold
Weak Pull-up Resistor
Pre-Emphasis
Differential Output Voltage
On-Chip Clamp Diode
Note: The on-chip clamp diode is available on all general purpose I/O (GPIO) pins in all Cyclone V device
variants.
Related Information
Cyclone V Device Datasheet
Programmable Current Strength
Programmable Output Slew-Rate Control
Programmable IOE Delay
Programmable Output Buffer Delay
Programmable Pre-Emphasis
Programmable Differential Output Voltage
I/O Features in Cyclone V Devices
Send Feedback
Setting (Default
setting in bold)
0 (Slow), 1 (Fast) Disabled if you use
the R
Refer to the device
datasheet
On, Off
On, Off Disabled if you use
On, Off Disabled if you use
the bus-hold feature.
0 (disabled) and 1
(enabled) standard only. Not
differential HSTL and
SSTL I/O standards.
00 (low), 01
(medium), 10 (high)
On, Off
turn on for 3.3 V I/O
on page 5-30
on page 5-31
on page 5-31
on page 5-31
on page 5-32
on page 5-32
Programmable IOE Features in Cyclone V Devices
Condition
OCT feature.
S
—
—
the weak pull-up
resistor feature.
For LVDS I/O
supported for
—
Recommended to
standards
5-29
Supported in HPS I/O
(SoC Devices Only)
Yes
—
Yes
Yes
Yes
—
—
Yes
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