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L9679E Datasheet(PDF) 36 Page - STMicroelectronics

Part # L9679E
Description  Automotive battery cut-off circuit and airbag system expansion IC
PDF  124 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9679E Datasheet(HTML) 36 Page - STMicroelectronics

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DCMTSxy (xy=01,23,45,67)
Deployment current monitor registers
channel 0,1 (DDCMTS01), channel 2,3 (DDCMTS23), channel 4,5 (DDCMTS45), channel 6,7 (DDCMTS67)
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
MISO
0
0
0
0
Current_Mon_Timer_y[7:0]
Current_Mon_Timer_x[7:0]
ID:
1F (DDCMTS01), 20 (DDCMTS23), 21 (DDCMTS45), 22 (DDCMTS67)
Type:
R
Read:
1F00 (DDCMTS01), 2000 (DDCMTS23), 2100 (DDCMTS45), 2202 (DDCMTS67)
Write:
-
POR
WSM
SSM
[15:8]
0x00
0x00
0x00
Current_Mon_Timer_y[7:0]: Channel y current monitor timer value corresponding to SPI command
DCMTSxy.
Set to default (cleared) on SSM_RESET or when a new deployment starts on channel y.
Increments each 16 µs while deployment current exceeds monitor threshold on channel y
[7:0]
0x00
0x00
0x00
Current_Mon_Timer_x[7:0]:Channel x current monitor timer value corresponding to SPI command
DCMTSxy.
Set to default (cleared) on SSM_RESET or when a new deployment starts on channel x.
Increments each 16 µs while deployment current exceeds monitor threshold on channel y
L9679E
Global SPI read/write registers
DS12485 - Rev 5
page 36/124



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