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L9779WD bảng dữ liệu(PDF) 162 Page - STMicroelectronics

tên linh kiện L9779WD
Giải thích chi tiết về linh kiện  Multifunction IC for engine management system
PDF  170 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9779WD bảng dữ liệu(HTML) 162 Page - STMicroelectronics

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DocID027452 Rev 5
DIA_REG12
Diagnostic register 12
Address:
0000b
Type:
Reset:
Note: the DIA_REG12 is read by READ_DATA 7 but reset by READ_DATA5.
Bit4 and bit5 are usable when power-latch enable bit in CONF6 Bit 5 is set to 0. SEO
Flags are set to 1 after delay if KEY_ON is low or if a WDA event occurs with CONF6
Bit 5 already set to 0. In the latter case the KEY_ON may be high but SEO bits are
nevertheless set.
7
654
32
10
SEO OUT1-4
SEO OUT13-14
RESERVED
KEY_ON_FLT
[7] VDDIO_UNDERVOLTAGE:
It goes to 1, if VDDIO undervoltage longer than 225 ms
[6] WDG_RST latched:
1: WDA has generated a RST event
0: no event
[5] SEO event when the OUT1-4 are switched off after 225 ms
[4] SEO event when the OUT13-14 after 600ms when KEY is OFF
[3] WDG_RST not latched:
1: WDA has generated a RST event
0: no event
[2:1] RESERVED: not used
[0] KEY_ON_FLT: Key on after filter



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