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L9788 Datasheet(PDF) 219 Page - STMicroelectronics

Part # L9788
Description  Multifunction IC for automotive engine management system
PDF  264 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9788 Datasheet(HTML) 219 Page - STMicroelectronics

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DS12308 Rev 4
219/264
L9788
Micro second channel (MSC) interface
263
18.6
Upstream frame
See downstream paragraph for configuration register bits description. Bits highlighted in
orange are clear on read. Bits highlighted in green come from satellite logics, they need
VB_STBY in order to be correctly read.
18.6.1
Upstream Bit Map Read1 (CONFIG-REG 1-4)
Frame[1]
[7:6] WAKE_UP_TIMER_START_STOP:
Read start "10" or stop "01" status, (never read "00" or "11").
These bits are valid only if WUT is driven by MSC.
Table 93. MSC Interface Upstream Bit Map Read1
ADDRESS
DATA
A0 A1 A2 A3
D0
D1
D2
D3
D4
D5
D6
D7
FRAME1 0
0
0
0
CONFIG-REG 1
FRAME2 0
0
1
0
CONFIG-REG 2
FRAME3 0
0
0
1
CONFIG-REG 3
FRAME4 0
0
1
1
CONFIG-REG 4
source
logic on VB_IN (main logic)
access
read



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