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L9678PTR Datenblatt(PDF) 88 Page - STMicroelectronics

Teilenummer L9678PTR
Bauteilbeschribung  Automotive user configurable airbag and battery cut-off IC
PDF  215 Pages
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9678PTR Datenblatt(HTML) 88 Page - STMicroelectronics

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SPI interface
L9678P, L9678P-S
88/216
DS11626 Rev 9
ADC D control command (DIAGCTRL_D)
Address:
3D
Type:
RW
Buffer:
$3D00
Reset:
$007A
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
MOSI
-
X
X
X
X
X
X
X
X
X
ADCREQ_D[6:0]
MISO
0
0
ADCREQ_D[6:0]
ADCRES_D[9:0]
NEWDATA_x
0
0
0 New data available from convertion
Updated by SSM_RESET or ADC state machine
0 cleared on read
1 convertion finished
ADCREQ_x[6:0] $00 $00 $00 ADC Request select command
Updated by SSM_RESET or SPI write to DIAGCTRL_x
Measurement
$00 Unused
$01 Ground Ref
$02 Full scale Ref
$030 DCSx voltage
$04 DCSx current
$05 DCSx resistance
$06 Squib/pyroswitch x resistance
$07 Internal BG reference voltage (BGR)
$080 Internal BG monitor voltage (BGM)
$09 Unused
$0A Temperature
$0B DCS 0 voltage
$0C DCS 1 voltage
$0D DCS 2 voltage
$0E DCS 3 voltage
$20 VBATMON pin voltage
$21 VIN pin voltage
$22 Internal analog supply voltage (VINT)
$23 Internal digital supply voltage (VDD)



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