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EM6617 Datasheet(PDF) 35 Page - EM Microelectronic - MARIN SA

Part No. EM6617
Description  Ultra Low Power Microcontroller with ADC AND EEPROM
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Maker  EMMICRO [EM Microelectronic - MARIN SA]
Homepage  http://www.emmicroelectronic.com
Logo EMMICRO - EM Microelectronic - MARIN SA

EM6617 Datasheet(HTML) 35 Page - EM Microelectronic - MARIN SA

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EM6617
Copyright
© 2005, EM Microelectronic-Marin SA
35
www.emmicroelectronic.com
10.3 2-Channel ADC registers
Table 10.3.1 ADC control register
RegADCCntl
Bit
Name
Reset
R/W
Description
3
StartConvert
0
W
Start conversion
3
ADCBusy
R
ADC busy flag
2
Single
0
R/W
Single mode
1
ChannelSelB
0
R/W
Input channel selection
0
ChannelSelA
0
R/W
Input channel selection
Default : continuous mode, Vref pad as input channel
Table 10.3.2 Input channel selection
ChannelSelA
ChannelSelB
Input channel
0
0
Vref pad
0
1
Bin
1
0
Ain
1
1
Vgnd
Table 10.3.3 ADC data low register
RegADCDataL
Bit
Name
Reset
R/W
Description
3
ADCdata[3]
0
R/W
ADC data bit 3
2
ADCdata[2]
0
R/W
ADC data bit 2
1
ADCdata[1]
0
R/W
ADC data bit 1
0
ADCdata[0]
0
R/W
ADC data bit 0
Table 10.3.4 ADC data high register
RegADCDataH
Bit
Name
Reset
R/W
Description
3
ADCdata[7]
0
R/W
ADC data bit 7
2
ADCdata[6]
0
R/W
ADC data bit 6
1
ADCdata[5]
0
R/W
ADC data bit 5
0
ADCdata[4]
0
R/W
ADC data bit 4
Table 10.3.5 Control register
RegSysCntl3
Bit
Name
Reset
R/W
Description
3
Vref1/2Sel
0
Reference voltage selection for ADC
2
--
1
NoOscWD
0
R/W
No oscillator watchdog
0
NoLogicWD
0
R/W
No logic watchdog
Default : external Vref for the voltage reference


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