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L9779WD датащи(PDF) 148 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) 148 Page - STMicroelectronics

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Functional description
L9779WD
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DocID027452 Rev 5
CONFIG_REG4
Configuration register 4
Address:
1100b
Type:
R/W (write access: WRITE_CONFIG4)
Reset:
0000_0010
765
432
10
PWL_TIMEOUT_CONF[2:0]
OFF_LCDR
FDO_SEL[1:0]
ISO_SRC
LOCK
R/W
[7:5] PWL_TIMEOUT_CONF[2:0]: Power latch mode time-out configuration.
000: Disabled (default)
001: 4.7 minutes ±5%
010: 9 minutes ±5%
011: 19 minutes ±5%
100: 28 minutes ±5%
101: 37 minutes ±5%
110: 75 minutes ±5%
111: 470 ms ±5%
[4] OFF_LCDR: Off state diagnosis for Low-current drive
1 = Off state diagnosis and the bias current of OUT19, OUT20 is active
0 = Off state diagnosis and the bias current of OUT19, OUT20 is disabled
[3:2] F_DO_SEL[1:0]: Upstream clock ratio selection.
00: fDO= fCL/ 64(default)
01: fDO= fCL/ 16
10: fDO= fCL/ 32
11: fDO= fCL/ 128
[1] ISO_SRC: Slew-rate control for the ISO9141 serial interface (K-Line)
0 = No slew rate limitation
1 = Slew-rate limitation active
[0] LOCK: Lock bit status. Set by LOCK command and cleared with UNLOCK command
1 = ALL configuration registers are locked and cannot be changed
0 = all configuration registers can be changed



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