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L9679E Datasheet(PDF) 57 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) 57 Page - STMicroelectronics

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6.5
Remote sensor SPI register map
The Remote sensor SPI interface consists of twelve 32-bit read registers (one for each logical channel) to allow
access to decoded sensor data and fault registers. The registers are addressed by the read register ID and the
global ID bit.
The L9679E checks the validity of the received RID field in the MOSI_RS frame. Should an 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 9. Remote sensor SPI register map
GID
RID / WID
Hex
R/W
Name
Description
Operating State
Init
Diag
Safing
0
1
0
1
0
0
0
0
0x50
R
RSDR0
Remote sensor data/status registers
(PSI-5)
0
1
0
1
0
0
0
1
0x51
R
RSDR1
0
1
0
1
0
0
1
0
0x52
R
RSDR2
0
1
0
1
0
0
1
1
0x53
R
RSDR3
0
1
0
1
0
1
0
0
0x54
R
RSDR4
0
1
0
1
0
1
0
1
0x55
R
RSDR5
0
1
0
1
0
1
1
0
0x56
R
RSDR6
0
1
0
1
0
1
1
1
0x57
R
RSDR7
0
1
0
1
1
0
0
0
0x58
R
RSDR8
0
1
0
1
1
0
0
1
0x59
R
RSDR9
0
1
0
1
1
0
1
0
0x5A
R
RSDR10
0
1
0
1
1
0
1
1
0x5B
R
RSDR11
0
1
0
1
1
1
0
0
0x5C
R
RSTHR0_L
Remote sensor 1 registers
(PSI-5)
0
1
0
1
1
1
0
1
0x5D
R
RSTHR1_L
0
1
0
1
1
1
1
0
0x5E
R
RSTHR2_L
0
1
0
1
1
1
1
1
0x5F
R
RSTHR3_L
0
1
1
0
0
0
0
0
0x60
0
1
1
0
0
0
0
1
0x61
0
1
1
0
0
0
1
0
0x62
0
1
1
0
0
0
1
1
0x63
0
1
1
0
1
0
1
0
0x6A
1
1
1
1
1
1
1
1
0xFF
L9679E
Remote sensor SPI register map
DS12485 - Rev 5
page 57/124



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