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L9230 Datasheet(PDF) 18 Page - STMicroelectronics

Part # L9230
Description  SPI CONTROLLED H-BRIDGE
PDF  25 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9230 Datasheet(HTML) 18 Page - STMicroelectronics

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L9230
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Diagnostics/Encoding of Failures
Description of the SPI Registers
(SPI Instructions: RD_DIA)
Description of DIA_REG Bit7
Register:
DIA_REG
76
543210
DI
OT
CurrRed
CurrLim
DIA21
DIA20
Dia11
DIA10
State of Reset: FFH
Access by Controller:
Read only
Bit
Name
Description
0
DIA 10
Diagnosis-Bit1 of OUT1
1
DIA 11
Diagnosis-Bit2 of OUT1
2
DIA 20
Diagnosis-Bit1 of OUT2
3
DIA 21
Diagnosis-Bit2 of OUT2
4
CurrLim
is set to „0“ in case of current limitation
5
CurrRed
is set to „0“ in case of temperature dependet current limitation
6
OT
is set to „0“ in case of overtemperature
7
DI
shows the wired-or state of the Pins EN and DI
Encoding of the Diagnostic Bits of the Output-Stages OUT1 and OUT2
DIA21
DIA20
DIA11
DIA10
-
-
0
0
Short circuit over load (SCOL)
-
-
0
1
Short circuit to battery on OUT1 (SCB1)
-
-
1
0
Short circuit to ground on OUT1 (SCG1)
-
-
1
1
No error detected on OUT1
0
0
-
-
Open load (OL)
0
1
-
-
Short circuit to battery on OUT2 (SCB2)
1
0
-
-
Short circuit to ground on OUT2 (SCG2)
1
1
-
-
No error detected on OUT2
0
0
0
0
Undervoltage on Pin UB
EN
DI
DIA_REG Bit7
00
0
01
0
10
1
11
0



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