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L9779WD датащи(PDF) 140 Page - STMicroelectronics

номер детали L9779WD
подробное описание детали  Multifunction IC for engine management system
PDF  170 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9779WD датащи(HTML) 140 Page - STMicroelectronics

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Functional description
L9779WD
140/170
DocID027452 Rev 5
In case of RD_SINGLE command the upstream consists of 16 bits as described in Figure 80.
The association between the registers and the "4 bit address field" is the following:
12
010010
R DIA_REG2
diagnosis bit of OUT 5,6,7,8
13
010100
R DIA_REG3
diagnosis bit of OUT 9,10,13,14
14
010111
R DIA_REG4
diagnosis bit of OUT 15,16,17,18
15
011000
R DIA_REG5
diagnosis bit of OUT 19,20
16
011011
R DIA_REG6
diagnosis bit of OUT 21,22,23,24
17
011101
R DIA_REG7
diagnosis bit of OUT 25,26,27,28
18
011110
R DIA_REG8
diagnosis bit of IGN 1,2,3,4
19
100001
R DIA_REG9
VTRK diag bit/VRS diag bit/MRD status
/KEY_ON_STATUS (not filtered)
20
100010
R DIA_REG10
OV_RST/OUT_DIS/V3V3_UV/general diag in OUT 21-
28/CRK_RST/ general diag in OUT 1-10,13-20,IGN 1-
4/TNL_RST
21
100100
R DIA_REG11
MSC error flag/CAN error flag/VDD reset flag/ over
temperature flag
22
100111
ZERO_REG
Returns all zeros
23
101000
R STP_CNT_H
stepper counts high
24
101011
R STP_CNT_L
stepper counts low
25
101110
R IDENT_REG
chip id, revision information
26
101101
R DIA_REG12
Key on status filtered
27
110000
RESPTIME
WDA Response Time
28
110011
REQULO
WDA request low byte
29
110101
REQUHI
WDA request high byte
30
110110
RST_AB1_CNT
WDA AB1 counter
Table 72. Association between the registers and the "4 bit address field
#Register
Content of “4 bit address field” in the
upstream
1
CONFIG_REG1
0000
2
CONFIG_REG2
0100
3
CONFIG_REG3
1000
4
CONFIG_REG4
1100
5
CONFIG_REG5
0000
6
CONFIG_REG6
0100
7
CONFIG_REG7
1000
Table 71. Register through the command data field (continued)
#
CD(5:0)
Register
Description



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