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L9779WD датащи(PDF) 120 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) 120 Page - STMicroelectronics

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L9779WD
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DocID027452 Rev 5
6.17.3
Watchdog related MSC commands
RD_DATA8 (read WDA registers)
CSB: command selection bit - always '1'
C(5...0): command bits
CD(7...0): command data bits
Reads data block 8 consists of the registers WDA_RESPTIME, REQULO, REQUHI,
RST_AB1_CNT. The command has no relevant data as command data bits - they may be
set to '1' or '0'.
WR_RESP
CSB: command selection bit - always '1'
C(5...0): command bits
CD(7...0): command data bits
Writes RESP(7...0) - the answer of the µC to the monitoring module question of the U-Chip -
to the U-Chip-internal logic of the monitoring module.
WR_RESPTIME
CSB: command selection bit - always '1'
C(5...0): command bits
CD(7...0): command data bits
Writes RESPTIME(5...0) to the register RESPTIME of the monitoring module. The
command has CD(5...0) = RESPTIME(5...0) as command data bits; the command data bits
CD7 and CD6 configure INIT_WDR (enable WDA reset) and CAN_TDI (disable CAN in
case of WDA event).
Table 55. RD_DATA8
Data frame
CSB
C(5..0)
CD(7..0)
RD_DATA8
1
101110
X X X X X X X X
Table 56. WR_RESP
Data frame
CSB
C(5..0)
CD(7..0)
WR_RESP
1
100100
RESP(7...0)
Table 57. WR_RESPTIME
Data frame
CSB
C(5..0)
CD(7..0)
WR_RESPTIME
1
110000
INIT_WDR, CAN_TDI,
RESPTIME(5...0),



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