L9396 datasheet(54/109 Pages) STMICROELECTRONICS

54 / 109 page

Remote sensor interface

L9396

54/109

DS12539 Rev 6

Fault condition:

Bit 15

FLT: Fault Status, depending on

fault status the DATA bits are

defined differently. Cleared when

all the fault bits are 0, set when one

of the fault bits is 1

0 => No fault

1 => Fault

SSM_RESET

LBIST

Bit 14

Latch_D0: Latched D0, set when

previous message contains a ‘1’ in

bit0, cleared on read (only for VDA

sensor)

0 => no prior bit0 faults

1 => prior message(s) contained

bit0 fault

SSM_RESET

LBIST

Bit 13:12

LCID[1:0]: Logical Channel ID

00 => ch1

01 => ch2

10 => ch3

11 => ch4

SSM_RESET

LBIST

Bit 11:0

12-bit data from wheel speed

decoder

VDA Data Format:

DATA[7:0] Data bits

DATA[11:8] Counter bits

PWM Data Format:

DATA[8:0] Pulse Data bits

STD Data Format:

All zeros, data bits not used

SSM_RESET

LBIST

Table 32. RS_DATA_RSDR_0-3 registers bit description [Bit 15 = 1]

Data Field

Description

Reset Value

Reset Event

Bit 19:17

CRC [2:0]: CRC based on bits

[16:0] Update based on bits [16:0]

SSM_RESET

LBIST

Bit 16

NOT USED

Bit 15

FLT: Fault Status, depending on

fault status the DATA bits are

defined differently. Cleared when

all the fault bits are 0, set when one

of the fault bits is 1

0 => No fault

1 => Fault

SSM_RESET

LBIST

Table 31. RS_DATA_RSDR_0-3 registers bit description [Bit 15 = 0] (continued)

Data Field

Description

Reset Value

Reset Event

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