MCP3911 datasheet(47/72 Pages) MICROCHIP

47 / 72 page

DS22286A-page 47

MCP3911

FIGURE 6-6:

Typical Continuous Read Communication (SPI Mode 0,0).

FIGURE 6-7:

Typical Continuous Read Communication (SPI Mode 1,1).

CH0 ADC

ADDR/R

SCK

SDI

CH0 ADC

Upper byte

SDO

CH0 ADC

Middle byte

CH0 ADC

Lower byte

CH1 ADC

Upper byte

CH1 ADC

Middle byte

CH1 ADC

Lower byte

CH0 ADC Upper byte

New ADC data

CH0 ADC

Middle byte

CH0 ADC

Lower byte

CH1 ADC

Upper byte

CH1 ADC

Middle byte

CH1 ADC

Lower byte

These bytes are not present when WIDTH=0 (16-bit mode)

HiZ

CH0 ADC MSB

Old ADC data

CH0 ADC Upper byte

Old ADC data

CH0 ADC Old MSB data

– Previous MSB data present on SDO until the data ready pulse updates the

SDO with the new incoming MSB dta

data

CH0 ADC

ADDR/R

SCK

SDI

CH0 ADC

Upper byte

SDO

CH0 ADC

Middle byte

CH0 ADC

Lower byte

CH1 ADC

Upper byte

CH1 ADC

Middle byte

CH1 ADC Lower byte

CH0 ADC

Upper byte

CH0 ADC

Middle byte

CH0 ADC

Lower byte

CH1 ADC

Upper byte

CH1 ADC

Middle byte

CH1 ADC Lower byte

These bytes are not present when WIDTH=0 (16-bit mode)

HiZ

MCP3911 Datasheet(PDF) 47 Page - Microchip Technology

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