Intel Agilex User Manual page 24

Table 8. Selectable I/O Standards for R
This table lists the output termination settings for calibrated OCT on different I/O standards.
SSTL-12
POD12
HSTL-12
Differential SSTL-12
Differential POD12
Differential HSTL-12
Dynamic OCT
Dynamic OCT is useful for terminating a high-performance bidirectional path by
optimizing the signal integrity depending on the direction of the data. Dynamic OCT
also helps save power because termination switches on only during input operation
and thus draw less static power.
Table 9. Dynamic OCT Based on Bidirectional I/O
Dynamic R
T
driver.
Dynamic OCT
Dynamic R OCT
T
Dynamic R OCT
S
® ™
Intel Agilex General Purpose I/O and LVDS SERDES User Guide
24
Transmitter
I/O Standard
OCT or R OCT is enabled or disabled based on whether the bidirectional I/O acts as a receiver or
S
Bidirectional I/O
Acts as a receiver
Acts as a driver
Acts as a receiver
Acts as a driver
Receiving Device
V
Z = 50 Ω
0
OCT With Calibration
T
3. Intel Agilex I/O Termination
UG-20214 | 2019.04.02
CCIO
2 × R
T2
V
REF
2 × R
T2
GND
R OCT with Calibration (Ω)
T
50, 60 Ω
50, 60 Ω
50, 60 Ω
50, 60 Ω
50, 60 Ω
50, 60 Ω
State
Enabled
Disabled
Disabled
Enabled
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