Phytec phyFLEX-i.MX 6 - Supply Voltage for External Logic; Control Management IC (CMIC) (U17))

phyFLEX
®
-i.MX 6 [PFL-A-XL1-xxx
32  PHYTEC Messtechnik GmbH 2013 L-773e_2
4.3 Supply Voltage for external Logic
The voltage level of the phyFLEX’s logic circuitry is
VDD_3V3_LOGIC (3.3 V) which is generated on-board. In order to
allow connecting external devices to the phyFLEX-i.MX 6 without the
need of another voltage source in addition to the primary supply this
voltage is brought out at the different reference voltage pins of the
phyFLEX-Connector.
Use of level shifters supplied with VDD_3V3_LOGIC allows
converting the signals according to the needs on the custom target
hardware. Alternatively signals can be connected to an open drain
circuitry with a pull-up resistor attached to VDD_3V3_LOGIC. Please
use this voltage only as reference and not for supplying purpose.
4.4 Control Management IC (CMIC) (U17))
The phyFLEX-i.MX 6 provides an on-board Control Management IC
(CMIC) at position U17 to control different phyFLEX specific
functions such as power management, reset or boot configuration.
Please refer to the phyFLEX specification for further information.
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