ep1m120 Altera Corporation, ep1m120 Datasheet - Page 17

• Manufacturer Part Number: ep1m120
• Description: Programmable Logic Device Family
• Manufacturer: Altera Corporation

Altera Corporation
Figure 6. LAB-Wide Control Signals
Local
Interconnect
Local
Interconnect
Local
Interconnect
Local
Interconnect
Row Global
Signals
Dedicated
Clocks
Fast Global
Signals
Logic Element
The LE, the smallest unit of logic in the Mercury architecture, is compact
and provides efficient logic usage. Each LE contains a four-input LUT,
which is a function generator that can quickly implement any function of
four variables. In addition, each LE contains a programmable register and
carry chain with carry select look ahead capability. Each LE drives all
interconnect types: local interconnect, row and priority row interconnect,
column and priority column interconnect, leap lines, and RapidLAB
interconnect. Each LE also has the ability to drive its combinatorial output
directly to the next LE in the LAB using FastLUT connections. See
Figure
7.
4
6
2
or LABCLK2
SYNCCLR
Mercury Programmable Logic Device Family Data Sheet
ASYNCLOAD
or LABPRE
LABCLK1
or LABCLKENA2
SYNCLOAD
LABCLR
LABCLKENA1
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