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L9959 bảng dữ liệu(PDF) 36 Page - STMicroelectronics

tên linh kiện L9959
Giải thích chi tiết về linh kiện  Single and dual PMOS high-side H-bridge
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L9959 bảng dữ liệu(HTML) 36 Page - STMicroelectronics

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SPI functional description
L9959
36/49
DocID027540 Rev 2
Note:
Reading this register does not reset the bits. Writing STACON_REG.DIACLR1 = 0 transfers
all latched errors to DIA_REG2 and resets DIA_REG1 afterwards, if there is no VS-
undervoltage.
Table 30. Diagnosis bits (DIA_REG1)
DIA21
DIA20
DIA11
DIA10
Description
Remark
0
0
0
1
Short Circuit to Ground at OUT1 (SCG1)
Latched
0
0
1
0
Short Circuit to Ground at OUT2 (SCG2)
Latched
0
1
0
1
Short Circuit to Battery at OUT1 (SCB1)
Latched
0
1
1
0
Short Circuit to Battery at OUT2 (SCB2)
Latched
0
1
1
1
Short Circuit over Load (SCL)
Latched
1
0
0
0
Short Circuit to Battery at Disabled Output
Latched
1
0
0
1
Short Circuit to Ground at Disabled Output
Latched
1
0
1
0
Open Load at disabled or active Output (OL)
Latched
1
1
0
1
Under Voltage at VS
Not Latched
1
1
1
1
No Failure
-
Table 31. Diagnosis register 2 (DIA_REG2)
Bit
7
6
5
4
3
2
1
0
Name
CurrRed
CurrLim
OT
Res
DIA21
DIA20
DIA11
DIA10
Bit
Name
Content
7
CurrRed
Current Reduction:
0, if temperature dependent current reduction is active This information bit is reset after
each read access
6
CurrLim
Current Limitation:
0, if current limitation is active This information bit is reset after each read access
5
OT
Over temperature
1 no over-temperature
0 over-temperature
4
Res
Reserved, 0
3
DIA21
Diagnosis Bits (see Table 32: Diagnosis bits (DIA_REG2))
2
DIA20
1
DIA11
0
DIA10
Reset(5.4.
1)
7
6
5
4
3
2
1
0
POR
1
1
1
0
1
1
1
1
SPIR
1
1
1
X
1
1
1
1
ENDISR
1
1
X
X
X
X
X
X
RDR
1
1
X
X
X
X
X
X
DIACLR2
1
1
1
X
1
1
1
1



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