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L9680 Datasheet(PDF) 113 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) 113 Page - STMicroelectronics

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DocID029257 Rev 1
113/277
L9680
SPI interfaces
276
7.3.35
Global configuration register for GPO driver function (GPOCR)
ID:
42
Type:
RW
Read:
4200
Write:
0084
SYBST_PH_SEL[1:0]
01
-
-
SyncBoost phase shifting selection (if switching frequency is different respect
to another regulator, the phase shift between them is not guaranteed)
Updated by POR or SPI write
00 0 ns switching ON shift respect to t0
01 125 ns switching ON shift respect to t0
10 250 ns switching ON shift respect to t0
11 375 ns switching ON shift respect to t0
ERBST_PH_SEL[1:0]
00
-
-
ER Boost phase shifting selection (if switching frequency is different respect
to another regulator, the phase shift between them is not guaranteed)
Updated by POR or SPI write
00 0 ns switching ON shift respect to t0
01 125 ns switching ON shift respect to t0
10 250 ns switching ON shift respect to t0
11 375 ns switching ON shift respect to t0
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
X
X
X
X
MISO
0
0
0
0
00
0
0
0
0
0
0
00
0
0
0
GPOxLS
0
0
0 GPO driver configuration bit
Updated by SSM_RESET or SPI write
0 High-side Driver configuration for GPOx (ER_BOOST_OK is required to
enable GPO as HS)
1 Low-side Driver configuration for GPOx (ER_BOOST_OK is not required
to enable GPO as LS)



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