L9680 datasheet(145/277 Pages) STMICROELECTRONICS

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DocID029257 Rev 1

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L9680

SPI interfaces

276

LIM SELx

Data range limit select for safing record x - When enabled, determines

the range limit used for incoming sensor data

Updated by SSM_RESET or SPI write while in DIAG state

0 8-bit data range limit - incoming |data| >120d is not recognized as

valid data

1 10-bit data range limit - incoming |data| > 480d is not recognized as

valid data

LIM Enx

Data range limit enable for safing record x

Updated by SSM_RESET or SPI write while in DIAG state

0 Data range limit disabled

1 Data range limit enabled

COMBx

000

Combine function enable for safing record x

Updated by SSM_RESET or SPI write while in DIAG state

0 Combine function disabled

1 Combine function enabled

For record pairs = x,x+1, the comparison for record x uses |data(x)

+ data(x+1)| and the comparison for record x+1 uses |data(x) -

data(x+1)| Record pairs are 1,2; 3,4; 5,6; 7,8; 9,10; 11,12

DWELLx[1:0]

00 Safing dwell extension time select for safing record x

Updated by SSM_RESET or SPI write while in DIAG state

00 2048 ms

01 256 ms

10 32 ms

11 0 ms

ARM4x

000

ARM4INT select for safing record x - correlates safing result to ARM4INT

Updated by SSM_RESET or SPI write while in DIAG state

0 Safing record x not assigned to ARM4INT

1 Safing record x assigned to ARM4INT

ARM3x

000

ARM3INT select for safing record x - correlates safing result to ARM3INT

Updated by SSM_RESET or SPI write while in DIAG state

0 Safing record x not assigned to ARM3INT

1 Safing record x assigned to ARM3INT

ARM2x

000

ARM2INT select for safing record x - correlates safing result to ARM2INT

Updated by SSM_RESET or SPI write while in DIAG state

0 Safing record x not assigned to ARM2INT

1 Safing record x assigned to ARM2INT

ARM1x

000

ARM1INT select for safing record x - correlates safing result to ARM1INT

Updated by SSM_RESET or SPI write while in DIAG state

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