EM6517 datasheet(35/64 Pages) EMMICRO

35 / 64 page

EM6517

03/02 REV. C/448

 2002, EM Microelectronic-Marin SA

www.emmicroelectronic.com

10.3 2-Channel ADC registers

Table 10.3.1 ADC control register RegADCCntl

Bit

Name

Reset

R/W

Description

StartConvert

Start conversion

ADCBusy

ADC busy flag

Single

R/W

Single mode

ChannelSelB

R/W

Input channel selection

ChannelSelA

R/W

Input channel selection

Default : continuous mode, Vref pad as input channel

Table 10.3.2 Input channel selection

ChannelSelA

ChannelSelB

Input channel

Vref pad

Bin

Ain

Vgnd

Table 10.3.3 ADC data low register RegADCDataL

Bit

Name

Reset

R/W

Description

ADCdata[3]

R/W

ADC data bit 3

ADCdata[2]

R/W

ADC data bit 2

ADCdata[1]

R/W

ADC data bit 1

ADCdata[0]

R/W

ADC data bit 0

Table 10.3.4 ADC data high register RegADCDataH

Bit

Name

Reset

R/W

Description

ADCdata[7]

R/W

ADC data bit 7

ADCdata[6]

R/W

ADC data bit 6

ADCdata[5]

R/W

ADC data bit 5

ADCdata[4]

R/W

ADC data bit 4

Table 10.3.5 Control register RegSysCntl3

Bit

Name

Reset

R/W

Description

Vref1/2Sel

Reference voltage selection for ADC

2--

NoOscWD

R/W

No oscillator watchdog

NoLogicWD

R/W

No logic watchdog

Default : external Vref for the voltage reference

EM6517 Datasheet(PDF) 35 Page - EM Microelectronic - MARIN SA

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