900844 datasheet(97/118 Pages) FREESCALE

No de pièce	900844

Description	Integrated Power Management IC for Ultra-mobile and Embedded Applications

PDF	118 Pages

Scroll/Zoom	100%

Fabricant	FREESCALE [Freescale Semiconductor, Inc]

Site Internet	http://www.freescale.com

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Analog Integrated Circuit Device Data

Freescale Semiconductor

900844

FUNCTIONAL DEVICE OPERATION

ADC SUBSYSTEM

ADEXGAIN20

Gain bit for ADC channel 20

x0 = x1 (0-2.0 V input range)

x1 = x10 (0-200 mV input range)

ADEXGAIN21

Gain bit for ADC channel 21

x0 = x1 (0-2.0 V input range)

x1 = x10 (0-200 mV input range)

Reserved

7:4

Reserved

Table 69. ADC Channel Selector/Configuration Structure and bit Description

Name

Bits

Description

ADCSNSxH (x = 0 to 31)

ADCHxH

6:0

7 MSBs of ADC result for Channel x

GAINx

Gain bit for ADC channel x, x = 0 to 31

x0 = x1 (0-2.0 V input range)

x1 = x10 (0-200 mV input range)

ADCSNSxL (x = 0 to 31)

ADCHxL

2:0

3 LSBs of ADC result for Channel x

Reserved

7:3

Reserved

ADCADDRX (X = 0 TO 31)

ADSELx

4:0

ADC Channel to be read Selection bits

x00 = Channel 0

x01 = Channel 1

...

x1F = Channel 31

XPXMx

Turns on X+ and X- bias FETs, Refer to Figure 50

x0 = FETS Off

x1 = FETS On

YPYMx

Turns on Y+ and Y- bias FETs, Refer to Figure 50

x0 = FETS Off

x1 = FETS On

XMYPx

Turns on X- and Y+ bias FETs, Refer to Figure 50

x0 = FETS Off

x1 = FETS On

Table 68. ADC Control Registers Structure and Bits Description

Name

Bits

Description

900844 Fiches technique(PDF) 97 Page - Freescale Semiconductor, Inc

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