AV-51002
2017.02.10
2-55
OCT Calibration Block Specifications
OCT Calibration Block Specifications
Table 2-51: OCT Calibration Block Specifications for Arria V GZ Devices
Symbol
OCTUSRCLK
TOCTCAL
Description
Min
—
Typ
—
Max
20
Unit
MHz
Cycles
Cycles
ns
Clock required by the OCT calibration blocks
Number of OCTUSRCLK clock cycles required for OCT RS/RT calibration
Number of OCTUSRCLK clock cycles required for the OCT code to shif out
—
1000
32
—
TOCTSHIFT
TRS_RT
—
—
Time required between the dyn_term_ctrland oesignal transitions in a
bidirectional I/O buffer to dynamically switch between OCT RS and RT (See
the figure below.)
—
2.5
—
Figure 2-6: Timing Diagram for oe and dyn_term_ctrl Signals
Tristate
Tristate
RX
oe
TX
RX
dyn_term_ctrl
T
T
RS_RT
RS_RT
Arria V GZ Device Datasheet
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