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L9779WD датащи(PDF) 144 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) 144 Page - STMicroelectronics

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Functional description
L9779WD
144/170
DocID027452 Rev 5
STEP_CNT_L
STEPPER COUNTER LOW
Address:
1100b
Type:
R
Reset:
0000 0000
IDENT_REG
Identity register
Address:
1111b
Type:
R
Reset:
0000_0000
7
6
5
43210
LINEUP2
LINEUP1
RESERVED
CNT[4:0]
R
[7] LINEUP2: used to assure the alignment of high and low part of the counter
[6] LINEUP1: used to assure the alignment of high and low part of the counter
[5] RESERVED: not used
[4:0] CNT[4:0]: low part of steps count
7
6
5
4
321
0
IDENT[2:0]
MCR[2:0]
MSR[1:0]
R
[7:5] IDENT[2:0]: chip identifier
000: L9779WD
001
010
011
[4:2] MCR[2:0]: chip revision corresponding to: metal change
000: AA version
001: AB version
010: AC version
110: AD version
[1:0] MSR[1:0]: chip revision corresponding to: full mask set



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