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L9918 датащи(PDF) 38 Page - STMicroelectronics

номер детали L9918
подробное описание детали  Alternator voltage regulator with LIN interface for 12 V applications
PDF  109 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9918 датащи(HTML) 38 Page - STMicroelectronics

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5.3.2.3
Tx Frame 2 version-B
Table 18. Identifiers: 0x15 (LIN1), 0x16 (LIN2, LIN4), 0x18 (LIN3)
Byte 0
Byte 1
Byte 2
Byte 3
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
DCE5
EXC8
RB
X
K
F_T:
Diagnosis flag for thermal fault, 1 bit
F_M:
Diagnosis flag for mechanical failure, 1 bit
F_E:
Diagnosis flag for electrical failure, 1 bit
DCE5:
Duty cycle value of the excitation PWM, 5 bits, see Table 50
EXC8:
Measured excitation current, 8 bits, see Table 53
RB:
Confirmation of the selected output variable done in Rx frame byte 3, 3 bits
F_G:
IEXC flag: current limitation flag, 1 bit (enabled by programming)
F_H:
LRC flag: LRC function flag, 1 bit (enabled by programming)
X:
Bit answered as “dominant”, 1 bit
F_L1:
Diagnosis flag for LIN error, 1 bit
F_L0:
Diagnosis flag LIN communication timeout, 1 bit
K:
Setpoint/battery voltage/chip temperature/alternator speed, 8 bits
5.3.3
Message frames for configuration version-C
5.3.3.1
Rx Frame version-C
Table 19. Identifier: 0x20 (LIN)
Byte 0
Byte 1
Byte 2
Byte 3
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
BZ2
X
B3
C2
A8
D8
BZ2:
Blind Zone, 2 bits
X:
Don’t care bits, 1 bit
B3:
LRC-Rise_3, 4 bits
C2:
LRC-Cut_2, 4 bits
A8:
Setpoint (VBSPLINRG), 8 bits
D8:
Excitation current limitation, 8 bits
5.3.3.2
Tx Frame 1 version-C
Table 20. Identifier: 0x21 (LIN)
Byte 0
Byte 1
Byte 2
Byte 3
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
L9918
LIN Frames
DS13000 - Rev 2
page 38/109



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