You're reading from The FPGA Programming Handbook - Second Edition

Product typeBook

Published inApr 2024

PublisherPackt

ISBN-139781805125594

Edition2nd Edition

Tools

FPGA

Concepts

Embedded Systems

Authors (2):

Frank Bruno

Guy Eschemann

View More author details

Understanding Peripheral Modules (PMODs)

Digilent introduced the PMOD connector as a way to provide a standardized interface for its development boards. The goal of the PMOD specification is to allow the development of lower-speed daughter cards, such as I2C, SPI, UART, and General-Purpose Input/Output (GPIO) peripherals. The standard is open and has been adopted by multiple companies both for their development boards and to provide different PMODs for developers.

PMOD connectors primarily provide low-speed connections of a predefined type. In practice, the power connections are the only pins that are constant, and the others could be used for any signaling up to about 100MHz operation, even though this would technically be beyond the original spec.

From the Nexys A7 perspective, four of the PMODs connect to GPIO and the fifth is dual-purpose analog/digital.

...

Pin

PMOD JA

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The FPGA Programming Handbook - Second Edition

Published in: Apr 2024Publisher: PacktISBN-13: 9781805125594

Authors (2)

Frank Bruno

Frank Bruno is an experienced high-performance design engineer specializing in FPGAs with some ASIC experience. He has experience working for companies like SpaceX, GM Cruise, Belvedere Trading, Allston Trading, and Number Nine. He is currently working as an FPGA engineer for Belvedere Trading.
Read more about Frank Bruno

Guy Eschemann

Guy Eschemann was an Electrical Engineer with over twenty years of experience designing FPGA-based embedded systems for automotive, industrial, medical, aerospace, military, and telecom applications. He was working as an FPGA engineer at plc2 Design GmbH.
Read more about Guy Eschemann

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