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L9779WD-SPI Datasheet(PDF) 113 Page - STMicroelectronics

Part # L9779WD-SPI
Description  Smart reset function
PDF  141 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9779WD-SPI Datasheet(HTML) 113 Page - STMicroelectronics

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L9779WD-SPI
Functional description
140
The command START sets the bit <OUT_DIS> to ‘0’. With <OUT_DIS> = ‘0’ the outputs
[OUT1...OUT10] [OUT13…OUT28] and [IGN1...IGN4] can be activated using control
registers. After a reset (default state) the bit is <OUT_DIS>=’1’ and the outputs are disabled
(so any SPI data frame writing control registers is ignored and the power stages are all
switched off).
The command has no relevant data as command data bit – they may be set to ‘1’ or ‘0’.
This command allows the µC turning on the MRD if it is switched off due to over current.
10
ADD(0)
ADD(0)
9X0
8X0
7X0
6X0
5X0
4X0
3STOP0
2START
0
1
MRD_REACT
OUT_DIS
0
Odd Parity
Odd Parity
Table 57. START_REACT (continued)
Bit
DIN
DO



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