13892 datasheet(35/161 Pages) FREESCALE

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Analog Integrated Circuit Device Data

Freescale Semiconductor

13892

FUNCTIONAL DESCRIPTION

FUNCTIONAL PIN DESCRIPTION

REGULATORS

VINIOHI

Input of VIOHI regulator. Connect this pin to BP in order to supply VIOHI regulator.

VIOHI

Output regulator for high voltage IO. Fixed 2.775 V output for high voltage level interface.

VINPLL AND VINDIG

The input of the regulator for processor PLL and Digital regulators respectively. VINDIG and VINPLL can be connected to

either BP or a 1.8 V switched mode power supply rail, such as from SW4 for the two lower set points of each regulator (the 1.2

and 1.25 V output for VPLL, and 1.05 and 1.25 V output for VDIG). In addition, when the two upper set points are used (1.50 and

1.8V outputs for VPLL, and 1.65 and 1.8V for VDIG), they can be connected to either BP or a 2.2V nominal external switched

mode power supply rail, to improve power dissipation.

VPLL

Output of regulator for processor PLL. Quiet analog supply (PLL, GPS).

VDIG

Output regulator Digital. Low voltage digital (DPLL, GPS).

VVIDEODRV

Drive output for VVIDEO external PNP transistor.

VVIDEO

Output regulator TV DAC. This pin must be connected to the collector of the external PNP transistor of the VVIDEO regulator.

VINAUDIO

Input regulator VAUDIO. Typically connected to BP.

VAUDIO

Output regulator for audio supply.

VINUSB2

Input regulator VUSB2. This pin must always be connected to BP even if the regulators are not used by the application.

VUSB2

Output regulator for powering USB PHY.

VINCAMDRV

1. Input regulator camera using internal PMOS FET. Typically connected to BP.

2. Drive output regulator for camera voltage using external PNP device. In this case, this pin must be connected to the base

of the PNP in order to drive it.

VCAM

Output regulator for the camera module. When using an external PNP device, this pin must be connected to its collector.

VSDDRV

Drive output for the VSD external PNP transistor.

VSD

Output regulator for multi-media cards such as micro SD, RS-MMC.

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