L9680 datasheet(155/277 Pages) STMICROELECTRONICS

155 / 277 page

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L9680

SPI interfaces

276

Cleared by SSM_RESET or SPI read or when channel is commanded OFF

via SPI RSCTRL or if one of the following is set: STG, STB, CURRENT_HI,

OPEN_DET,

RSTEMP, SLOT ERROR (PSI5), PULSE OVERFLOW ERROR (WSS) or if a

new valid data is received

Set in PSI5 configuration when two valid start bits are received and a

Manchester error (# of bits, bit timing) or parity error is detected

Set in WSS configuration when parity error is detected (when this check is

feasible). Valid only for VDA sensor.

0 No fault

1 Fault

NODATA

1 No Data in buffer

Cleared when a valid PSI5/WSS frame is received or if one of the following is

set: STG, STB, CURRENT_HI, OPEN_DET, RSTEMP, SLOT ERROR,

PULSE OVERFLOW ERROR, INVALID

Set upon SPI read of RSDRx and none of the following bits are set: STG,

STB, CURRENT_HI, OPEN_DET, RSTEMP, SLOT ERROR, PULSE

OVERFLOW ERROR, INVALID

0 No fault

1 Fault

PULSE

OVERFLOW

ERROR

0 Pulse duration counter overflow (valid only for PWM 2 edges sensors)

Cleared by SSM_RESET or SPI read or when channel is commanded OFF

via SPI RSCTRL

0 No fault

1 Fault

SLOT ERROR

0 Slot error fault (valid only for PSI5 sensors

Cleared by SSM_RESET or SPI read or when channel is commanded OFF

via SPI RSCTRL or if one of the following is set: STG, STB,

CURRENT_HI, OPEN_DET, RSTEMP or if a new valid data is received

Set in case of slot control enabled and frame not completely inside slot or

more than one frame inside the slot

0 No fault

1 Fault

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