參數資料
型號: M7A3PE600-FFG256I
元件分類: FPGA
英文描述: FPGA, 600000 GATES, PBGA256
封裝: 1 MM PITCH, FBGA-256
文件頁數: 94/168頁
文件大?。?/td> 1335K
代理商: M7A3PE600-FFG256I
ProASIC3E Flash Family FPGAs
A d v an c ed v0 . 5
2-19
CCC Physical Implementation
The CCC is composed of the following (Figure 2-18):
PLL core
Three phase selectors
Six programmable delays and one fixed delay that
advance/delay phase
Five
programmable
frequency
dividers
that
provide
frequency
multiplication/division
(not
shown
in
because
they
are
automatically configured based on the user's
required frequencies)
One dynamic shift register that provides CCC
dynamic reconfiguration capability
CCC Programming
The CCC block is fully configurable, either via static Flash
configuration bits in the array, set by the user in the
programming bitstream, or through an asynchronous
dedicated shift register dynamically accessible from
inside the ProASIC3E device. The dedicated shift register
permits parameter changes such as PLL divide ratios and
delays during device operation. This latter mode allows
the user to dynamically reconfigure the PLL without the
need for core programming. The register file is accessed
through a simple serial interface. Refer to the UJTAG
more information.
Notes:
2. Clock divider and clock multiplier blocks are not shown in this figure or in SmartGen. They are automatically configured based on the
user's required frequencies.
Figure 2-18 PLL Block
PLL Core
Phase
Select
Phase
Select
Phase
Select
GLA
CLKA
GLB
YB
GLC
YC
Fixed Delay
Programmable
Delay Type 1
Programmable
Delay Type 2
Programmable
Delay Type 2
Programmable
Delay Type 1
Programmable
Delay Type 2
Programmable
Delay Type 1
Four-Phase Output
相關PDF資料
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M7A3PE600-FFG484I FPGA, 600000 GATES, PBGA484
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