L9918 datasheet(39/109 Pages) STMICROELECTRONICS

39 / 109 page

BV8

EXC8

DCE8

F_M:

Diagnosis flag for mechanical failure, 1 bit

F_E:

Diagnosis flag for electrical failure, 1 bit

F_L1:

Diagnosis flag for LIN error, 1 bit

F_L0:

Diagnosis flag LIN communication timeout, 1 bit

F_T:

Diagnosis flag for thermal fault, 1 bit

Bits answered as “dominant”, 3 bits

BV8:

Voltage measure on B+ pin, 8 bits

EXC8:

Excitation current measure, 8 bits

DCE8:

Excitation duty cycle measure, 8 bits

5.3.3.3

Tx Frame 2 version-C

Table 21. Identifier: 0x18 (LIN)

Byte 0

Byte 1

TJ8

AltS

AltI

TJ8:

Junction temperature measure, 8 bits

AltS:

Alternator supplier identification, 3 bits (REF: Table 34)

AltI:

Alternator identification, 5 bits (defined by customer)

5.3.4

Message frame for configuration version-D

5.3.4.1

Rx Frame version-D

Table 22. Identifiers: 0x29 (LIN1), 0x2A (LIN2)

Byte 0

Byte 1

Byte 2

Byte 3

A6:

Setpoint (VBSPLINRG), 6 bits

B1:

LRC-Rise, 4 bits

C1:

LRC-Cut, 4 bits

D5:

Excitation Current Limitation, 5 bits

Don’t care bits, 11 bits

L9918

LIN Frames

DS13000 - Rev 2

page 39/109

L9918 Datasheet(PDF) 39 Page - STMicroelectronics

L9918 Datasheet(HTML) 39 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL