MAX11331 datasheet(33/37 Pages) MAXIM

33 / 37 page

MAX11329–MAX11332

3Msps, 12-/10-Bit, 8-/16-Channel ADCs with

Post-Mux External Signal Conditioning Access

Figure 12. ADC Mode Select Programming Sequence

REPEAT

INTERNAL/EXTERNAL

CLOCK

STANDARD-INT

UPPER-INT

CUSTOM-INT

MANUAL

ADC CONFIGURATION REGISTER

SET AVG ON BIT TO 1

SET NAVG[1:0] TO N

ADC CONFIGURATION REGISTER

SET AVG ON BIT TO 1

SET NAVG[1:0] TO N

AVERAGE

ADC CONFIGURATION REGISTER

SET AVG ON BIT TO 1

SET NAVG[1:0] TO N

ADC MODE CONTROL REGISTER

SET SCAN[3:0] TO 0101

SET CHSEL[3:0] TO CHANNEL NUMBER

SELECT THE RIGHT SWCNV BIT

ADC MODE CONTROL REGISTER

SET SCAN[3:0] TO 0011

SET CHSEL[3:0] TO CHANNEL NUMBER

SELECT THE RIGHT SWCNV BIT

ADC MODE CONTROL REGISTER

SET SCAN[3:0] TO 0010

SET CHSEL[3:0] TO CHANNEL NUMBER

SELECT THE RIGHT SWCNV BIT

ADC MODE CONTROL REGISTER

SET SCAN[3:0] TO 0001

SET CHSEL[3:0] TO CHANNEL NUMBER

SELECT THE PM[1:0] BITS

ADC MODE CONTROL REGISTER

SET SCAN[3:0] TO 0100

SET CHSEL[3:0] TO CHANNEL NUMBER

ADC MODE CONTROL REGISTER

SET SCAN[3:0] TO 0110

SET CHSEL[3:0] TO CHANNEL NUMBER

ADC MODE CONTROL REGISTER

SET SCAN[3:0] TO 1001

SET CHSEL[3:0] TO CHANNEL NUMBER

ADC MODE CONTROL REGISTER

SET SCAN[3:0] TO 1000

SET CHSEL[3:0] TO CHANNEL NUMBER

SampleSet REGISTER

SET SEQ_DEPTH[7:0] TO SET

CHANNEL CAPTURE DEPTH

FOLLOW SampleSet REGISTER WITH

CHANNEL PATTERN OF THE SAME SIZE

AS SEQUENCE DEPTH

AVERAGE

ADC CONFIGURATION REGISTER

SET AVGON BIT TO 1

SET NAVG[1:0] TO N

SET CUSTOM Scan0 REGISTER

SET CUSTOM Scan1 REGISTER

SET CUSTOM Scan0 REGISTER

SET CUSTOM Scan1 REGISTER

ADC CONFIGURATION REGISTER

SET NSCAN[1:0] FOR SCAN COUNT

ADC MODE CONTROL REGISTER

SET SCAN[3:0] TO 0111

SET CHSEL[3:0] TO CHANNEL NUMBER

SELECT THE RIGHT SWCNV BIT

INTERNAL

EXTERNAL

YES

STANDARD-EXT

UPPER-EXT

CUSTOM-EXT

SampleSet

MAX11331 Datasheet(PDF) 33 Page - Maxim Integrated Products

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