Phytec phyFLEX-i.MX 6 - Introduction to phyFLEX-i.MX 6

Introduction
 PHYTEC Messtechnik GmbH 2013 L-773e_2
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1 Introduction
The phyFLEX-i.MX 6 belongs to PHYTEC’s phyFLEX System on
Module family. The phyFLEX SOMs represent the continuous
development of PHYTEC System on Module technology. Like its
mini-, micro- and nanoMODUL predecessors, the phyFLEX boards
integrate all core elements of a microcontroller system on a
subminiature board and are designed in a manner that ensures their
easy expansion and embedding in peripheral hardware developments.
PHYTEC's phyFLEX family introduces the newly developed
phyFLEX embedded bus standard. Apart from processor performance,
a large number of embedded solutions require a corresponding number
of standard interfaces. Among these process interfaces are for example
Ethernet, USB, UART, SPI, I
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C, PCIe, audio, and display
connectivity. The phyFLEX bus exactly meets this requirement with
the phyFLEX-fix connector. As well the location of the commonly
used interfaces as the mechanical specifications are clearly defined.
Beside this, the phyFLEX concept also considers, that different
controllers have many different interfaces. To take this into account,
the phyFLEX concept allows two more connectors: the phyFLEX-
optional connector, which has optional, but defined interfaces at fixed
positions (e.g. SATA, CAN, camera) and the phyFLEX-flex
connector, which has only fixed Ground signals. All other signals of
the phyFLEX-flex connector are module specific. All interface signals
of PHYTEC's new phyFLEX bus are available on up to three, high-
density pitch (0.5 mm) connectors, allowing the phyFLEXs to be
plugged like a "big chip" into a target application.
As independent research indicates that approximately 70 % of all EMI
(Electro Magnetic Interference) problems stem from insufficient
supply voltage grounding of electronic components in high frequency
environments approximately 20 % of all pin header connectors on the
phyFLEX bus are dedicated to Ground. This improves EMI and EMC
characteristics and makes it easier to design complex applications
meeting EMI and EMC guidelines using phyFLEX boards even in
high noise environments.
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