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L9680 Datasheet(PDF) 146 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) 146 Page - STMicroelectronics

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SPI interfaces
L9680
146/277
DocID029257 Rev 1
7.3.58
Safing record compare complete register (SAF_CC)
ID:
FF
Type:
R
Read:
FF00
Write:
-
0 Safing record x not assigned to ARM1INT
1 Safing record x assigned to ARM1INT
CSx[2:0]
000
000
000 SPI Monitor CS select for safing record x
Updated by SSM_RESET or SPI write while in DIAG state
000 None selected for record x
001 SAF_CS0 selected for record x
010 SAF_CS1 selected for record x
011 SAF_CS2 selected for record x
100 SAF_CS3 selected for record x
101 CS_RS selected for record x
110 None selected for record x
111 None selected for record x
IFx
0
0
0
SPI format select for safing record x - selects response protocol for SPI
monitor
Updated by SSM_RESET or SPI write while in DIAG state
0 Out of frame response for record x
1 In Frame response for record x
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
X
X
X
MISO
0
000
CC_xx
0
0
0 Indicates compare complete status of each of the 16 safing records, and
defines the end of the sample cycle for safing
Cleared by SSM_RESET or upon SPI read, set by safing engine when
request, response mask and target registers match the incoming SPI frame
0 Compare not completed for record x
1 Compare completed for record x



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