This document discusses FPGA configuration, including:
1. The FPGA configuration process involves clearing memory, initialization, loading configuration data, and startup.
2. Configuration modes like master serial, slave serial, and daisy chaining allow loading data from external sources.
3. Daisy chaining connects the configuration pins of multiple FPGAs together to load design data into all devices from a single source.
An application-specific IC (ASIC) can be either a digital or an analog circuit. As their name implies, ASICs are not reconfigurable; they perform only one specific function. For example, a speed controller IC for a remote control car is hard-wired to do one job and could never become a microprocessor. An ASIC does not contain any ability to follow alternate instructions.
FPGA are a special form of Programmable logic devices(PLDs) with higher densities as compared to custom ICs and capable of implementing functionality in a short period of time using computer aided design (CAD) software....by mathewsubin3388@gmail.com
An application-specific IC (ASIC) can be either a digital or an analog circuit. As their name implies, ASICs are not reconfigurable; they perform only one specific function. For example, a speed controller IC for a remote control car is hard-wired to do one job and could never become a microprocessor. An ASIC does not contain any ability to follow alternate instructions.
FPGA are a special form of Programmable logic devices(PLDs) with higher densities as compared to custom ICs and capable of implementing functionality in a short period of time using computer aided design (CAD) software....by mathewsubin3388@gmail.com
Communication protocols in Embedded Systems. This presentation focused mainly on lower level protocols. Ideal for the beginner to build understanding on these protocols like I2C, USB, SPI etc.
All the concepts of 8051 Micro controller have been explained in detail. Also some information on Embedded Systems. The Presentation deals with Processors & Microcontrollers from first generation to the present generation. This presentation an invaluable compendium of knowledge to the individuals trying to explore the field of electronics. Moreover, a complete coverage for Mumbai University students have been made available.
This presentation gives an overview of FPGA devices. An FPGA is a device that contains a matrix of re-configurable gate array logic circuitry. When a FPGA is configured, the internal circuitry is connected in a way that creates a hardware implementation of the software application.
FPGA devices can deliver the performance and reliability of dedicated hardware circuitry.
PIC A special purpose integrated circuit that function as an overall manager in an interrupt driven system.
It accepts request from the peripheral equipment,determines which of the incoming request is of the highest priority, ascertains whether the incoming request has a higher priority value than the level currently being serviced, and issues an interrupt to the CPU based on this determination.
ARM (Advance RISC Machine) is one of the most licensed and thus widespread processor cores in the world.Used especially in portable devices due to low power consumption and reasonable performance.Several interesting extension available like THUMB instruction set and Jazelle Java Machine.
Communication protocols in Embedded Systems. This presentation focused mainly on lower level protocols. Ideal for the beginner to build understanding on these protocols like I2C, USB, SPI etc.
All the concepts of 8051 Micro controller have been explained in detail. Also some information on Embedded Systems. The Presentation deals with Processors & Microcontrollers from first generation to the present generation. This presentation an invaluable compendium of knowledge to the individuals trying to explore the field of electronics. Moreover, a complete coverage for Mumbai University students have been made available.
This presentation gives an overview of FPGA devices. An FPGA is a device that contains a matrix of re-configurable gate array logic circuitry. When a FPGA is configured, the internal circuitry is connected in a way that creates a hardware implementation of the software application.
FPGA devices can deliver the performance and reliability of dedicated hardware circuitry.
PIC A special purpose integrated circuit that function as an overall manager in an interrupt driven system.
It accepts request from the peripheral equipment,determines which of the incoming request is of the highest priority, ascertains whether the incoming request has a higher priority value than the level currently being serviced, and issues an interrupt to the CPU based on this determination.
ARM (Advance RISC Machine) is one of the most licensed and thus widespread processor cores in the world.Used especially in portable devices due to low power consumption and reasonable performance.Several interesting extension available like THUMB instruction set and Jazelle Java Machine.
he content of the exams is proprietary.[4] Cisco and its learning partners offer a variety of different training methods,[5] including books published by Cisco Press, and online and classroom courses available under the title "Interconnecting Cisco Network Devices."
A PROJECT REPORT
On
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A computer network, or simply a network, is a collection of computer and other hardware components interconnected by communication channels that allow sharing of resources and information. Where at least one process in one device is able to send/receive data to/from at least one process residing in a remote device, then the two devices are said to be in a network. Simply, more than one computer interconnected through a communication medium for information interchange is called a computer network.
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LCU14-101: Coresight Overview
---------------------------------------------------
Speaker: Mathieu Poirier
Date: September 15, 2014
---------------------------------------------------
Coresight is the name given to a set of IP blocks providing hardware assisted tracing for ARM based SoCs. This presentation will give an introduction to the technology, how it works and offer a glimpse of the capabilities it offers. More specifically we will go over the components that are part of the architecture and how they are used. Next will be presented the framework Linaro is working on in an effort to provide consolidation and standardization of interfaces to the coresight subsystem. We will conclude with a status of our current upstreaming efforts and how we see the coming months unfolding.
---------------------------------------------------
★ Resources ★
Zerista: http://lcu14.zerista.com/event/member/137703
Google Event: https://plus.google.com/u/0/events/cvb85kqv10dsc4k3e0hcvbr6i58
Presentation: http://www.slideshare.net/linaroorg/lcu14-101-coresight-overview
Video: https://www.youtube.com/watch?v=NzKPd3FByxI&list=UUIVqQKxCyQLJS6xvSmfndLA
Etherpad: http://pad.linaro.org/p/lcu14-101
---------------------------------------------------
★ Event Details ★
Linaro Connect USA - #LCU14
September 15-19th, 2014
Hyatt Regency San Francisco Airport
---------------------------------------------------
http://www.linaro.org
http://connect.linaro.org
This is an overview of the Analog Devices’ JESD204 Interface Framework, a system-level software package targeted at simplifying development by providing a performance optimized IP framework.
HPE ProLiant DL20 Gen10 server delivers a compact and versatile server at an affordable price. Deploy the portable form factor in small, remote or branch offices, as a compact yet powerful point of sale platform in transport, retail and hospitality environments, or as a flexible configuration for customization in space constrained environments of OEM, military and government customers.This datasheet includes features, port description, configuration guide and specification of this series.
Connector Corner: Automate dynamic content and events by pushing a buttonDianaGray10
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Have you ever wanted a Ruby client API to communicate with your web service? Smithy is a protocol-agnostic language for defining services and SDKs. Smithy Ruby is an implementation of Smithy that generates a Ruby SDK using a Smithy model. In this talk, we will explore Smithy and Smithy Ruby to learn how to generate custom feature-rich SDKs that can communicate with any web service, such as a Rails JSON API.
Neuro-symbolic is not enough, we need neuro-*semantic*Frank van Harmelen
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All of this illustrated with link prediction over knowledge graphs, but the argument is general.
Dev Dives: Train smarter, not harder – active learning and UiPath LLMs for do...UiPathCommunity
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Guy Korland, CEO and Co-founder of FalkorDB, will review two articles on the integration of language models with knowledge graphs.
1. Unifying Large Language Models and Knowledge Graphs: A Roadmap.
https://arxiv.org/abs/2306.08302
2. Microsoft Research's GraphRAG paper and a review paper on various uses of knowledge graphs:
https://www.microsoft.com/en-us/research/blog/graphrag-unlocking-llm-discovery-on-narrative-private-data/
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The modern software delivery process (or the CI/CD process) includes many tools, distributed teams, open-source code, and cloud platforms. Constant focus on speed to release software to market, along with the traditional slow and manual security checks has caused gaps in continuous security as an important piece in the software supply chain. Today organizations feel more susceptible to external and internal cyber threats due to the vast attack surface in their applications supply chain and the lack of end-to-end governance and risk management.
The software team must secure its software delivery process to avoid vulnerability and security breaches. This needs to be achieved with existing tool chains and without extensive rework of the delivery processes. This talk will present strategies and techniques for providing visibility into the true risk of the existing vulnerabilities, preventing the introduction of security issues in the software, resolving vulnerabilities in production environments quickly, and capturing the deployment bill of materials (DBOM).
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UiPath Test Automation using UiPath Test Suite series, part 4DianaGray10
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SAP heatmap example with demo
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2. Introduction
What is configuration?
Process for loading data into the FPGA
Configuration
Data
Source
Configuration
Data
Source
FPGAFPGA
Control
Logic
(optional)
Control
Logic
(optional)
2
3. Introduction
When does configuration happen?
On power-up
On demand
Why do FPGAs need to be configured?
FPGA configuration memory is volatile
What do I need to know about FPGA configuration?
What happens during configuration
How to set up various configuration modes and daisy-chains
How to troubleshoot problems
3
4. FPGA Configuration Process
In order to understand the configuration
process, you need to know a little about:
Configuration modes
Configuration pins
4
5. Configuration Modes
Configuration modes define the specifics of how
the FPGA will interact with:
The data source
External control logic (if any)
Many configuration modes to choose from
Serial modes (Master and Slave)
SelectMAP mode (Slave Parallel)
Boundary scan mode (Slave) - always available
Other Xilinx FPGA families have more configuration modes
5
7. Configuration Modes:
Serial Modes
Data is loaded 1 bit per CCLK
Master serial
FPGA drives configuration clock
(CCLK)
FPGA provides all control logic
Slave serial
External control logic required to
generate CCLK
Microprocessor
Xilinx serial download cable
Another FPGA
Serial
Data
Serial
Data FPGAFPGA
CCLK
Data
Serial
Data
Serial
Data FPGAFPGA
Control
Logic
Control
Logic
Data
CCLK
7
8. Configuration Modes:
SelectMAP Mode
CCLK is driven by
external logic
Data is loaded 1 byte
per CCLK
Byte-Wide
Data
Byte-Wide
Data FPGAFPGA
Control
Logic
Control
Logic
Data
CCLKControl Signals
Presentation
Name 8
8
9. Configuration Modes:
Boundary Scan Mode
External control logic required
Control signals and data are
presented on the boundary
scan pins (TDI, TMS, TCK)
Data is loaded 1 bit per TCK
Always available
(independently on
M0,M1,M2)
Serial
Data
Serial
Data FPGAFPGA
Control
Logic
Control
Logic
Data
Control Signals
9
10. Configuration Pins
Specific pins on the FPGA are used during
configuration
Some pins act differently depending on
configuration mode
Example: CCLK is an output in some modes
and an input in others
Some pins are only used in specific configuration
modes
Example: CCLK is not used for Boundary Scan
mode
10
11. Configuration Pin Descriptions
Mode Pins (M0, M1, M2)
Input pins that select which configuration
mode is being used
PROGRAM
Active low input that initiates configuration
CCLK (Configuration Clock)
Input or output, depending on configuration
mode
Frequency up to 10MHz (see Data Book for
your device family)
DIN
Serial input for configuration data
11
12. Configuration Pin Descriptions
DOUT
Output to next device in a daisy-chain
Used in daisy-chains only
INIT
Open-drain bi-directional pin
Error and Power Stabilization Flag
DONE
Open-drain bi-directional pin
Indicates completion of configuration process
Other pins are used for specific configuration
modes
(i.e. JTAG Pins)
12
13. Configuration Process
Four major phases in the process:
Configuration memory clear
Initialization
Load configuration data
Start-up
13
Configurati
on Memory
Clear
Configurati
on Memory
Clear
InitializationInitialization
Load
Configurati
on Data
Load
Configurati
on Data
Start-UpStart-Up
14. Configuration Process
Configuration Memory Clear Phase
2 Way to configure
Non-configuration I/O pins are
disabled with optional pull-up
resistors
INIT and DONE pins are driven low
FPGA memory is cleared
PROGRAM is checked after each
memory pass
Proceed to initialization
14
Configuration at Power-
Up
Vcc AND Vccnt
High?
No
FPGA
Drives INIT and
DONE low
Configuration During
User Operation
User Pulls
PROGRAM
low
Yes
Clear
Configuration
Memory
User Holding
PROGRAM low?
Yes
Initialization
No
15. Configuration Process:
Initialization Phase
INIT pin is released
INIT may be held low externally to
delay configuration
Mode pins are sampled
Appropriate configuration pins
become active
Proceed to load configuration
data
15
Configuration
Memory
Clear
Release INIT
INIT
High?
Yes
Sample
Mode Pins
Load
Configuration
Data
No
16. Configuration Process:
Load Configuration Data Phase
FPGA starts receiving data
CRC is checked during the
data frames transmission
If incorrect value received, INIT is
driven low and rest of data is
ignored
If the CRC checks pass,
proceed to start-up
16
Initialization
Load Data
Frames
CRC
Correct?
Yes
Start-UP
No
Pull INIT
Low
17. Configuration Process:
Start-up Phase
Transition phase from configuration to
normal operation
Order of events is user programmable
Accessed through software options
Default sequence is:
DONE pin is released
All I/O pins become active
Global write enable released
Global reset released
FPGA is operational
17
Load
Configuration
Data
Release
DONE
Activate
I/O Pins
Release
GWE
Release
GSR
FPGA is
Operational
18. Configuration Process:
Start-up Phase
Default sequence is:
DONE pin is released
All I/O pins become active
Global write enable released
Global reset released
Another useful sequence is “Sync to
DONE”
Useful for multiple FPGA configuration
(Daisy chain)
Configuration option
18
19. Master Serial Mode
All mode pins tied low
FPGA drives CCLK as an
output
Data stream loaded 1 bit at
a time
Use when data stream is
stored in a serial PROM
19
20. Slave Serial Mode
All mode pins tied high
FPGA receives CCLK as an
input
Data stream loaded 1 bit at
a time
Use with the Xilinx serial
download cable
20
21. What Is a Daisy-Chain?
Multiple FPGAs connected in series for
configuration
Allows configuration of many devices from a single data
source
Minimal board traces
First device in the chain can be in master serial or
slave serial mode
All other devices must be in slave serial mode
21
23. Daisy-Chain Answer
Connect all PROGRAM, CCLK and DONE pins together
Connect each DOUT to the DIN of next device
Recommend connecting INIT pins, but not required
23
24. Creating a Daisy-Chain
Connect PROGRAM pins
Required so that all FPGAs will reprogram together
Connect CCLK pins
Required so that all FPGAs are synchronized with each other and
with the configuration data
Connect DONE pins
Required so that all FPGAs start-up together
Connect each DOUT to the DIN of next device
Required to allow each FPGA to receive configuration data
Connect INIT pins
Recommended to create a single error flag, but not required
24
25. How a Daisy-Chain Works
First FPGA in the chain is configured first
Keeps DOUT high until its configuration memory is full
Then data is passed to the next device in the chain
Start-up sequence occurs after all devices are
configured
FPGA devices pause after internally releasing DONE, and
continue when DONE externally goes high
25
26. Xilinx In-System Programming
Using an
Embedded Microcontroller
Use XAPP 058(v 4.1)
Virtex® series
Spartan® series
CoolRunner® series
XC9500 series
Platform Flash PROM family
XC18V00 family
30
27. important benefits of in-system
programmability
Reduces device handling costs and time to market
Saves the expense of laying out new PC boards
Allows remote maintenance, modification, and testing
Increases the life span and functionality of products
Enables unique, customer-specific features
31
38. Summary
Field programmable devices are configured on power-up
from an external data source
The phases of the configuration process are:
Configuration memory clear
Initialization
Load configuration data
Start-up
Master serial and slave serial are the simplest configuration
modes
42
Editor's Notes
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