参数资料
型号: EP20K100EFI784-2
厂商: ALTERA CORP
元件分类: PLD
英文描述: LOADABLE PLD, PBGA784
文件页数: 2/65页
文件大小: 781K
代理商: EP20K100EFI784-2
32
Altera Corporation
APEX 20K Programmable Logic Device Family Data Sheet
Preliminary Information
Figure 3. LAB Structure
Each LAB contains dedicated logic for driving control signals to its LEs.
The control signals include clock, clock enable, asynchronous clear,
asynchronous preset, asynchronous load, synchronous clear, and
synchronous load signals. A maximum of six control signals can be used
at a time. Although synchronous load and clear signals are generally used
when implementing counters, they can also be used with other functions.
Each LAB can use two clocks and two clock enable signals. Each LAB’s
clock and clock enable signals are linked (e.g., any LE in a particular LAB
using CLK1 will also use CLKENA1). LEs with the same clock but different
clock enable signals either use both clock signals in one LAB or are placed
into separate LABs.
If both the rising and falling edges of a clock are used in an LAB, both
LAB-wide clock signals are used.
To/From
Adjacent LAB,
ESB, or IOEs
To/From
Adjacent LAB,
ESB, or IOEs
The 10 LEs in the LAB are driven by
two local interconnect areas. These LEs
can drive two local interconnect areas.
Local Interconnect
LEs drive local,
MegaLAB, row,
and column
interconnects.
Column
Interconnect
Row
Interconnect
MegaLAB Interconnect
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EP20K100EQC208-1ES 制造商:未知厂家 制造商全称:未知厂家 功能描述:FPGA
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