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L9300 Datasheet(PDF) 103 Page - STMicroelectronics

Part # L9300
Description  Automotive flexible U-chip for braking and transmission
PDF  178 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9300 Datasheet(HTML) 103 Page - STMicroelectronics

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SERVFLT
Service Fault
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Address:
GLOBAL_BaseAddress + 0xB
Type:
R
Reset:
0b0000 0000 0000 0000 0000
Description:
Service Fault register stores Diagnostic flags of enabled services
NOTE: As monitors are working also during startup phases, when voltage levels cannot be stable, it can happen that
some fault bit are set to “1” after POR. To avoid false diagnosis when the device is fully functional, it is suggested to
read this register once after the startup in order to clean it.
[19] Ground Loss:
0: No Fault
1: GND loss or GND_A loss
Reset events: POR, DATA READ
[18] unused
[17] EEPROM Trimming data CRC error status:
(Unmasked)
0: no CRC error
1: CRC error
Reset events: VB_UV, GND_LOSS, POR,
[16] RES1 to digital:
0: No Reset request from external
1: Reset request from external
Reset events: VB_UV, GND_LOSS, POR, DATA READ
[15] Main Oscillator Self check:
0: Pass
1: Failed
Reset events: VB_UV, GND_LOSS, POR, DATA READ
[14] GPO OL (Off state diag):
0: No Fault
1: GPO Open Load
Reset events: VB_UV, GND_LOSS, POR, RES1, DATA READ
L9300
SPI interface and register mapping
DS12258 - Rev 5
page 103/178



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