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PDF XP2-17 Data sheet ( Hoja de datos )

Número de pieza XP2-17
Descripción FPGA fabric
Fabricantes Lattice Semiconductor 
Logotipo Lattice Semiconductor Logotipo



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No Preview Available ! XP2-17 Hoja de datos, Descripción, Manual

LatticeXP2™ Family Data Sheet
DS1009 Version 01.8, January 2012

1 page




XP2-17 pdf
Lattice Semiconductor
Architecture
LatticeXP2 Family Data Sheet
Figure 2-1. Simplified Block Diagram, LatticeXP2-17 Device (Top Level)
sysIO Buffers,
Pre-Engineered Source
Synchronous Support
On-chip
Oscillator
Programmable
Function Units
(PFUs)
SPI Port
sysMEM Block
RAM
DSP Blocks
JTAG Port
Flash
sysCLOCK PLLs
Flexible Routing
PFU Blocks
The core of the LatticeXP2 device is made up of logic blocks in two forms, PFUs and PFFs. PFUs can be pro-
grammed to perform logic, arithmetic, distributed RAM and distributed ROM functions. PFF blocks can be pro-
grammed to perform logic, arithmetic and ROM functions. Except where necessary, the remainder of this data
sheet will use the term PFU to refer to both PFU and PFF blocks.
Each PFU block consists of four interconnected slices, numbered Slice 0 through Slice 3, as shown in Figure 2-2.
All the interconnections to and from PFU blocks are from routing. There are 50 inputs and 23 outputs associated
with each PFU block.
2-2

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XP2-17 arduino
Lattice Semiconductor
Figure 2-5. Clock Divider Connections
Architecture
LatticeXP2 Family Data Sheet
ECLK
CLKOP (GPLL)
RST
RELEASE
CLKDIV
÷1
÷2
÷4
÷8
Clock Distribution Network
LatticeXP2 devices have eight quadrant-based primary clocks and between six and eight flexible region-based sec-
ondary clocks/control signals. Two high performance edge clocks are available on each edge of the device to sup-
port high speed interfaces. The clock inputs are selected from external I/Os, the sysCLOCK PLLs, or routing. Clock
inputs are fed throughout the chip via the primary, secondary and edge clock networks.
Primary Clock Sources
LatticeXP2 devices derive primary clocks from four sources: PLL outputs, CLKDIV outputs, dedicated clock inputs
and routing. LatticeXP2 devices have two to four sysCLOCK PLLs, located in the four corners of the device. There
are eight dedicated clock inputs, two on each side of the device. Figure 2-6 shows the primary clock sources.
2-8

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