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L99LD02 датащи(PDF) 37 Page - STMicroelectronics

номер детали L99LD02
подробное описание детали  Automotive dual-phase boost DC/DC controller
PDF  66 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L99LD02 датащи(HTML) 37 Page - STMicroelectronics

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L99LD02
Serial peripheral interface (ST SPI standard)
64
Table 22. CR#1: Control Register 1
Bit
Default
Name
Description
23
0
CTM_CLK_EN
CTM_CLK_EN can be set to 1 only if UNLOCK = 1; trying to
set this bit to 1 when UNLOCK = 0 will have no effects and it
will maintain its previous value.
CTM_CLK_EN can be reset to 0 also when UNLOCK = 0.
To set CTM_CLK_EN to 1, it is necessary to send two
consecutive SPI frames, as follows:
1st SPI write operation to set UNLOCK bit to 1 (CR#1, bit1)
2nd SPI write operation to set CTM_CLK_EN bit to 1
22÷2
Unused
10
UNLOCK
[0]: bits GOSTBY, EN and BST_DIS cannot be set to 1 but can
be reset;
[1]: bits GOSTBY, EN and BST_DIS can be set to 1, but only
with the next valid SPI frame.
When UNLOCK = 1, it will be automatically reset with the next
valid SPI frame.
0
Parity Bit
Odd Parity Bit Check



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