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SPSB0813 데이터시트(PDF) 49 Page - STMicroelectronics

부품명 SPSB0813
상세설명  Automotive power management IC with LIN and CAN-FD
PDF  135 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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SPSB0813 데이터시트(HTML) 49 Page - STMicroelectronics

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In case the automatically incremented address is not used by the device, undefined data is shifted out. An
automatic address overflow is implemented when address 3FH is reached.
The SPI burst read is limited by the CSN low timeout.
4.3.1.4
SPI data length
The SPI data length value indicates the length of the SCK count monitor, which is running for all accesses to the
device application registers. In case a communication frame with an SCK count is not equal to the reported one, it
leads to a SPI error and the data are rejected.
Table 22. SPI data length
Bit 6
Bit 5
Bit 4
Description
DL2
DL1
DL0
0
0
0
invalid
0
0
1
16-bit SPI
0
1
0
24-bit SPI
0
1
1
32-bit SPI
…
1
1
1
64-bit SPI
4.3.1.4.1
Data consistency check (Parity/CRC)
Table 23. Data consistency check
Bit 1
Bit 0
Description
S1
S0
0
0
not used
0
1
Parity used
1
0
CRC used
1
1
Invalid
4.3.1.4.2
Watchdog definition
For further information, see also Section 3.6 Configurable window watchdog.
In case a watchdog is implemented the default settings can be read out via the device information registers.
Table 24. WD Type/Timing
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
WD1
WD0
<WD type 1/2>
0
0
Register is not used
<WD type 1>
0
1
WT5
WT4
WT3
WT2
WT1
WT0
1
1
1
1
1
0
Watchdog timeout / Long open window WT[5:0] * 5ms
<WD type 2>
1
0
OW2
OW1
OW0
CW2
CW1
CW0
1
0
0
1
0
0
0
1
Open window OW[2:0] *5ms
Closed window CW[2:0] *5ms
<WD type 1/2>
1
1
Invalid
<WD type 1>: 3CH (long open window: 300 ms)
SPSB081
Address definition
DS14048 - Rev 1
page 49/135



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