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L9680 Datasheet(PDF) 218 Page - STMicroelectronics

Part # L9680
Description  Automotive advanced airbag IC for mid/high end applications
PDF  277 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9680 Datasheet(HTML) 218 Page - STMicroelectronics

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System voltage diagnostics
L9680
218/277
DocID029257 Rev 1
Table 18. Diagnostics control register (DIAGCTRLx)
ADC Request (ADCREQx)
Voltage Measurement Selection
ADC Results (ADCRESx)
Bit[6:0]
Hex
Bit[9:0]
0 0
0000
0
$00
Unused
0 0
0000
1
$01 ADC ground reference
VADC_GROUND
0 0
0001
0
$02 ADC Test Pattern 2
VADC_FULLSCALE
0 0
0001
1
$03 DC Sensor ch. selected, Voltage
DCSV_selected
0 0
0010
0
$04 DC Sensor ch. selected, Current
DCSI_selected
0 0
0010
1
$05 DC Sensor ch. selected, Resistance(1)
DCSV and DCSI selected
0 0
0011
0
$06
Squib measurement loop selected
Voutx
0 0
0011
1
$07
Internal reference Voltage
VBGR
0 0
0100
0
$08
Internal reference monitor Voltage
VBGM
0 0
0100
1
$09
VCOREMON voltage
VCOREMON
0 0
0101
0
$0A Temperature Measurement
TEMP
0 0
0101
1
$0B DC Sensor ch 0, Voltage
DCSV_0
0 0
0110
0
$0C DC Sensor ch 1, Voltage
DCSV_1
0 0
0110
1
$0D DC Sensor ch 2, Voltage
DCSV_2
0 0
0111
0
$0E DC Sensor ch 3, Voltage
DCSV_3
0 0
0111
1
$0F DC Sensor ch 4, Voltage
DCSV_4
0 0
1000
0
$10 DC Sensor ch 5, Voltage
DCSV_5
0 0
1000
1
$11
DC Sensor ch 6, Voltage
DCSV_6
0 0
1001
0
$12 DC Sensor ch 7, Voltage
DCSV_7
0 0
1001
1
$13 DC Sensor ch 8, Voltage
DCSV_8
0 0
1010
0
$14 VB voltage of ER ESR measure(2)
VB
0 0
1010
1
$15 VA voltage of ER ESR measure(2)
VA
0 0
1011
0
$16 VC voltage of ER ESR measure(2)
VC
0 0
1011
1
$17
Unused
0 0
1100
0
$18
Unused
0 0
1100
1
$19
Unused
0 0
1101
0
$1A Unused
0 0
1101
1
$1B Unused
0 0
1110
0
$1C Unused
0 0
1110
1
$1D Unused
0 0
1111
0
$1E Unused
0 0
1111
1
$1F Unused
0 1
0000
0
$20 VBATMON pin voltage
VBATMON



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