Altera Transceiver PHY IP Core Manual de usuario Pagina 548

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Reconfig Addr Bits R/W Register Name Description
7’h44 [15:0] RW data Specifies the read or write data.
Note: All undefined register bits are reserved.
Table 16-20: PLL Reconfiguration Offsets and Values
Offset Bits R/W Name Description
0x0 [2:0] RW logical refclk selection
When written initiates reference clock
change to the logical reference clock
indexed by bits [2:0].
This index refers to the Number of
input clocks on the Reconfiguration
tab. You can specify up to 5 input
clocks. When performing a reference
clock switch for an ATX PLL you
must stream in an ATX MIF.
This offset is used to switch the
reference clock for CMU PLLs. To
perform a reference clock switch for
ATX PLLs use MIF mode 0 and
stream the ATX PLL MIF.
0x1 [2:0] RW logical PLL selection
When written initiates a clock
generation block (CGB) switch to
logical PLL indexed by bits [2:0].
This index refers to the Number of
TX PLLs selected on the Reconfigu‐
ration tab. You can specify up to 4
input clocks. If you set the Main TX
PLL logical index to 0, the Quartus II
software initializes your design using
the first PLL defined.
0x2 [24:0] RO refclk physical mapping Specifies the logical to physical refclk
for current logical channel.
0x3 [14:0] RO PLL physical mapping Specifies the logical to physical clock
generation block word for current
logical channel.
Transceiver Reconfiguration Controller DCD Calibration Registers
UG-01080
2015.01.19
Transceiver Reconfiguration Controller DCD Calibration Registers
16-31
Transceiver Reconfiguration Controller IP Core Overview
Altera Corporation
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