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L9945 Datasheet(PDF) 72 Page - STMicroelectronics

No. de pieza L9945
Descripción Electrónicos  Automotive fully configurable 8-channel High/Low side MOSFET pre-driver suitable for 12 V and 24 V systems
PDF  151 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9945 Datasheet(HTML) 72 Page - STMicroelectronics

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5.10.2
RESPONSE X frame partitioning
RESPONSE 0
Frame partitioning
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
C
OUTPUT_VOLTAGE[8:1]
Description
Spread spectrum and diagnostic enable, input selection, protection disable and output voltage
status. Initial OUTPUT_VOLTAGE field value depends on load.
[31:28] C: Response to command 0
Reset: 0000
Reset Condition: -
[27] R/W: Bit to read/write configuration
0: Write & request read
1: Request read only
Reset: 1
Reset Condition: POR, NRES
[26] SPREAD_SPECTRUM: Active or deactive the spread spectrum functionality
0: Inactive
1: Active
Reset: 0
Reset Condition: POR, NRES
[25] ENABLE_DIAGNOSTIC: Enable or disable the diagnostics for all outputs. When i to "0" diagnostics for all outputs is "Not Diag
Done"
0: Diagnostic disable
1: Diagnostic enable
Reset: 0
Reset Condition: POR, NRES
[24] SPI_INPUT_SEL_08: Driving mode selection bit (output driven by SPI or NON)
0: Output control by NONx
1: Output control by SPI
Reset: 0
Reset Condition: POR, NRES
L9945
SPI MOSI/MISO list
DS12275 - Rev 8
page 72/151



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