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L9679E датащи(PDF) 18 Page - STMicroelectronics

номер детали L9679E
подробное описание детали  Automotive battery cut-off circuit and airbag system expansion IC
PDF  127 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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L9679E датащи(HTML) 18 Page - STMicroelectronics

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The L9679E checks the validity of the received WID and RID fields in the MOSI_G frame. Should an SPI write
command with WID matching a writeable register be received in an illegal operating state, the command will be
discarded and the ERR_WID bit will be flagged in the next Global Status Word GSW. The ERR_WID flag is not
set in case WID addresses a read/only register. Should a SPI read command be received containing an unused
RID address, the command will be discarded and the ERR_RID bit will be flagged in the current GSW.
Table 7. Global SPI register map
RID / WID
Hex
R/W
Name
Description
Operating state(1)
0
0
0
0
0
0
0
0
0x00
R
FLTSR
Global fault status
register
0
0
0
0
0
0
0
1
0x01
R/W
SYS_CFG
General system
initialization
√
0
0
0
0
0
0
1
0
0x02
R/W
SYS_CTL
General system
configuration
√
√
√
0
0
0
0
0
0
1
1
0x03
W
SPI_SOFT_RES
ET
Command to trigger
internal SSM reset
√
√
√
0
0
0
0
0
1
0
0
0x04
R
SYS_STATE
Read register to
report in which
operating state the
device is
0
0
0
0
0
1
0
1
0x05
R
POWER_STATE
Power state register
(feedback on voltage
thresholds)
0
0
0
0
0
1
1
0
0x06
R/W
DCR_0
Deployment
configuration
register
√
√
0
0
0
0
0
1
1
1
0x07
R/W
DCR_1
√
√
0
0
0
0
1
0
0
0
0x08
R/W
DCR_2
√
√
0
0
0
0
1
0
0
1
0x09
R/W
DCR_3
√
√
0
0
0
0
1
0
1
0
0x0A
R/W
DCR_4
√
√
0
0
0
0
1
0
1
1
0x0B
R/W
DCR_5
√
√
0
0
0
0
1
1
0
0
0x0C
R/W
DCR_6
√
√
0
0
0
0
1
1
0
1
0x0D
R/W
DCR_7
√
√
0
0
0
0
1
1
1
0
0x0E
0
0
0
0
1
1
1
1
0x0F
0
0
0
1
0
0
0
0
0x10
0
0
0
1
0
0
0
1
0x11
0
0
0
1
0
0
1
0
0x12
R/W
DEPCOM
Deployment
command register
√
0
0
0
1
0
0
1
1
0x13
R
DSR_0
Deployment status
register
0
0
0
1
0
1
0
0
0x14
R
DSR_1
0
0
0
1
0
1
0
1
0x15
R
DSR_2
0
0
0
1
0
1
1
0
0x16
R
DSR_3
0
0
0
1
0
1
1
1
0x17
R
DSR_4
0
0
0
1
1
0
0
0
0x18
R
DSR_5
0
0
0
1
1
0
0
1
0x19
R
DSR_6
0
0
0
1
1
0
1
0
0x1A
R
DSR_7
0
0
0
1
1
0
1
1
0x1B
L9679E
SPI interface
DS12485 - Rev 8
page 18/127



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