Phytec L-827e.A3 phyCORE-i.MX 6UL/ULL, Hardware Manual, Page: 8 / 69

L-827e.A3 phyCORE-i.MX 6UL/ULL Hardware Manual
© PHYTEC Messtecknik GmbH 8
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2 Conventions, Abbreviations, and Acronyms
This hardware manual describes the PCM-063 System on Module in the following referred to as phyCORE
®
-i.MX 6UL/
ULL. The manual specifies the phyCORE
®
-i.MX 6UL/ULL's design and function. Precise specifications for the NXP®
Semiconductor i.MX 6UL/ULL microcontrollers can be found in the enclosed Microcontroller Data Sheet/User's
Manual.
2.1 Conventions
The conventions used in this manual are as follows:
Signals that are preceded by an "n", "/", or “#” character (e.g.: nRD, /RD, or #RD), or that have a dash on top
of the signal name (e.g.: RD) are designated as active low signals. That is, their active state is when they are
driven low or are driving low.
A "0" indicates a logic zero or low-level signal, while a "1" represents a logic one or high-level signal.
The hex numbers given for addresses of I
2
C devices always represent the 7 MSB of the address byte. The
correct value of the LSB which depends on the desired command (read (1), or write (0)) must be added to get
the complete address byte. E.g. given address in this manual 0x41 => complete address byte = 0x83 to read
from the device and 0x82 to write to the device
Tables that describe jumper settings show the default position in
bold, blue text .
Text in blue indicates a hyperlink within, or external to the document. Click these links to quickly jump to the
applicable URL, part, chapter, table, or figure.
References made to the phyCORE-Connector always refer to the high-density Samtec connector on the undersides
of the phyCORE
‑ i.MX 6UL/ULL System on Module.
We refrain from providing detailed part-specific information within this manual, which can be subject to
continuous changes, due to part maintenance for our products. Please read the paragraph "
Product
Change Management and information in this manual on parts populated on the SOM" within the
Preface .
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The BSP delivered with the phyCORE
®
-i.MX 6UL/ULL usually includes drivers and/or software for
controlling all components such as interfaces, memory, etc. Therefore programming close to hardware at
register level is not necessary in most cases. For this reason, this manual contains no detailed description
of the controller's registers, or information relevant to software development. Please refer to the
i.MX 6 UL/
ULL Reference Manual , if such information is needed to connect customer-designed applications.
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