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SPSB100 Datasheet(PDF) 169 Page - STMicroelectronics

Part # SPSB100
Description  Automotive power management IC for highly integrated processors
PDF  213 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SPSB100 Datasheet(HTML) 169 Page - STMicroelectronics

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Table 230. DSR4 (0x24) description
Bit
Name
Description
15 SPI_STATUS_WRT 1: SPI writes access to status register
14
SPI_LBISTED
1: SPI access while SPI is under LBIST test
13
FBB_OV_EW
FBB over voltage early warning
1: Indicates the voltage at FBB increased above the FBB over voltage early warning threshold
(configured in CR3)
In ACTIVE and REC-1 modes, an interrupt pulse is generated at IRQ.
Bit is latched until a “read and clear” command
12
FBB_UV_EW
FBB under voltage early warning
1: Indicates the voltage at FBB decreased below the FBB under voltage early warning threshold
(configured in CR3)
In ACTIVE and REC-1 modes, an interrupt pulse is generated at IRQ
Bit is latched until a “read and clear” command
11
VS_UV_EW
VS early warning
1: Indicates the voltage at VS decreased below the VS early warning threshold (configured in CR3)
In ACTIVE and REC-1 modes, an interrupt pulse is generated at IRQ. Bit is latched until a “read and
clear” command
10
RES
Reserved
9
TW_CL4
Thermal warning of cluster x
1: Indicates cluster x has reached the thermal warning threshold (TSW)
Bit is latched until a “read and clear” command
8
TW_CL3
Table 231. DSR4 (0x24) LSB
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0 (RC1L)
0 (RC1L)
0 (RC1L)
0 (R)
0 (RC1L)
0 (RC1L)
0 (RC1L)
0 (RC1L)
TW_CL2
TW_CL1
TW_CL0
TW
CRC3
CRC2
CRC1
CRC0
Thermal
warning of
cluster 2 bit
Thermal
warning of
cluster 1 bit
Central
thermal
warning bit
Thermal
warning bit
Cyclic
redundancy
checking bit 3
Cyclic
redundancy
checking bit 2
Cyclic
redundancy
checking bit 1
Cyclic
redundancy
checking bit 0
Table 232. DSR4 (0x24) LSB description
Bit
Name
Description
7
TW_CL2
6
TW_CL1
5
TW_CL0 Central thermal warning
4
TW
Thermal warning
1: Indicates the temperature has reached the thermal warning threshold (logical OR combination of bits
TW_CLx in DSR6)
3
CRC 3
2
CRC 2
1
CRC 1
0
CRC 0
SPSB100
SPI registers
DS14640 - Rev 2
page 169/213



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