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L9680 Datasheet(PDF) 121 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) 121 Page - STMicroelectronics

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DocID029257 Rev 1
121/277
L9680
SPI interfaces
276
STSx[3:0] 0000 0000 0000 Sensor Type Selection
0000 Synchronous PSI5, parity, 8-bit, 125k (P8P-500/3L)
0001 Synchronous PSI5, parity, 8-bit, 189k (P8P-500/3H)
0010 Synchronous PSI5, parity, 10-bit, 125k (P10P-500/3L)
0011 Synchronous PSI5, parity, 10-bit, 189k (P10P-500/3H)
0100 unused (default automatically selected)
0101 unused (default automatically selected)
0110 unused (default automatically selected)
0111 unused (default automatically selected)
1000 NA
1001 NA
1010 NA
1011 NA
1100 unused (default automatically selected)
1101 unused (default automatically selected)
1110 unused (default automatically selected)
1111 unused (default automatically selected)
Wheel speed configured channel
REDUCED_RANGE
0
0
0 Tracking speed of base and delta current
XNA
BLOCK_CURR_IN_MSG
0
0
0 Tracking enable of base and delta current during message transmission
XNA
PERIOD_MEAS_DISABLE
0
0
0 Disabling of start bits period measure to decode following bits
XNA
FIX_THRESH
0
0
0 PSI5 selection of fixed or auto adaptive thresholds
0 auto adaptive threshold
1 fixed thresholds (configured through SPI registers)
TSxDIS
0
0
0 Time Slot Control Disable
XNA
BLKTxSEL
0
0
0 Blanking Time Selection
XNA
WSFILT[3:0] 0010 0010 0010 Wheel speed filter time selection (500ns per bit)
0000 8 us
- - - - 500ns/bit
1111 15.5μs:



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