Xilinx XC4028EX Manuals

Manuals and User Guides for Xilinx XC4028EX. We have 2 Xilinx XC4028EX manuals available for free PDF download: Manual

Xilinx XC4028EX Manual

Xilinx XC4028EX Manual (43 pages)

Brand: Xilinx | Category: I/O Systems | Size: 1 MB

Table of Contents

Table of Contents
1
XC4000E and XC4000X Series Field Programmable Gate Arrays
5
XC4000E and XC4000X Series Features
5
Low-Voltage Versions Available
5
Additional XC4000X Series Features
5
Introduction
5
- Description
  6
- Taking Advantage of Reconfiguration
  6
XC4000E and XC4000X Series Compared to the XC4000
7
- Improvements in XC4000E and XC4000X
  7
- Additional Improvements in XC4000X Only
  8
Detailed Functional Description
9
- Basic Building Blocks
  9
- Configurable Logic Blocks (Clbs)
  9
  - Function Generators
    9
  - Flip-Flops
    10
  - Latches (XC4000X Only)
    10
  - Clock Input
    10
  - Clock Enable
    10
  - Set/Reset
    11
  - Global Set/Reset
    11
  - Data Inputs and Outputs
    11
  - Control Signals
    11
  - Using FPGA Flip-Flops and Latches
    11
  - Using Function Generators as RAM
    11
  - Fast Carry Logic
    18
- Input/Output Blocks (Iobs)
  21
  - IOB Input Signals
    21
  - IOB Output Signals
    24
  - Other IOB Options
    26
- Three-State Buffers
  27
  - Three-State Buffer Modes
    27
  - Three-State Buffer Examples
    27
- Wide Edge Decoders
  28
- On-Chip Oscillator
  28
Programmable Interconnect
29
- Interconnect Overview
  29
- CLB Routing Connections
  29
  - Programmable Switch Matrices
    30
  - Single-Length Lines
    30
  - Double-Length Lines
    32
  - Quad Lines (XC4000X Only)
    32
  - Longlines
    32
  - Direct Interconnect (XC4000X Only)
    33
- I/O Routing
  33
  - Octal I/O Routing (XC4000X Only)
    33
- Global Nets and Buffers
  36
  - Global Nets and Buffers (XC4000E Only)
    36
  - Global Nets and Buffers (XC4000X Only)
    38
Power Distribution
40
- Boundary Scan
  41
- Configuration
  42

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Xilinx XC4028EX Manual

Xilinx XC4028EX Manual (55 pages)

Field Programmable Gate Arrays

Brand: Xilinx | Category: Controller | Size: 0 MB

Table of Contents

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