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L9679E 데이터시트(PDF) 90 Page - STMicroelectronics

부품명 L9679E
상세설명  Automotive battery cut-off circuit and airbag system expansion IC
PDF  127 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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L9679E 데이터시트(HTML) 90 Page - STMicroelectronics

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Requests are sent to the L9679E IC via the ADC measurement Registers (ADCREQx) as shown in
Table 14. Diagnostics control register (DIAGCTRLx). All diagnostics results are available on the ADCRESx
registers, when addressed by the related ADCREQx register (e.g. data requested by ADCREQA would be written
to ADCRESA).
Table 14. Diagnostics control register (DIAGCTRLx)
ADC Request (ADCREQx)
Voltage Measurement
Selection
ADC Results
(ADCRESx)
Bit[6:0]
Hex
Bit[9:0]
0
0
0
0
0
0
0
0x00
0
0
0
0
0
0
1
0x01
ADC ground reference
VADC_GROUND
0
0
0
0
0
1
0
0x02
ADC full scale reference
VADC_FULLSCALE
0
0
0
0
0
1
1
0x03
0
0
0
0
1
0
0
0x04
0
0
0
0
1
0
1
0x05
0
0
0
0
1
1
0
0x06
Squib/Pyroswitch
measurement loop
selected
Voutx
0
0
0
0
1
1
1
0x07
Internal reference Voltage
VBG1
0
0
0
1
0
0
0
0x08
Internal reference monitor
Voltage
VBG2
0
0
0
1
0
0
1
0x09
0
0
0
1
0
1
0
0x0A
Temperature
Measurement
TEMP
0
0
0
1
0
1
1
0x0B
0
0
0
1
1
0
0
0x0C
0
0
0
1
1
0
1
0x0D
0
0
0
1
1
1
0
0x0E
0
0
0
1
1
1
1
0x0F
0
0
1
0
0
0
0
0x10
0
0
1
0
0
0
1
0x11
0
0
1
0
0
1
0
0x12
0
0
1
0
0
1
1
0x13
0
0
1
0
1
0
0
0x14
0
0
1
0
1
0
1
0x15
0
0
1
0
1
1
0
0x16
0
0
1
0
1
1
1
0x17
0
0
1
1
0
0
0
0x18
0
0
1
1
0
0
1
0x19
0
0
1
1
0
1
0
0x1A
0
0
1
1
0
1
1
0x1B
0
0
1
1
1
0
0
0x1C
0
0
1
1
1
0
1
0x1D
0
0
1
1
1
1
0
0x1E
0
0
1
1
1
1
1
0x1F
L9679E
System voltage diagnostics
DS12485 - Rev 8
page 90/127



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