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UM0839 Datasheet(PDF) 9 Page - STMicroelectronics

No. de pieza UM0839
Descripción Electrónicos  ST L9942 evaluation board
PDF  32 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UM0839 Datasheet(HTML) 9 Page - STMicroelectronics

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UM0839
L9942 pin description
Doc ID 16519 Rev 2
9/32
5
L9942 pin description
Figure 5.
L9942 pinout
Table 3.
L9942 pin descriptions
Pin
Symbol
Function
1, 12, 13, 24
PGND
Power ground.
3, 10,15 ,22
VS
Power supply voltage.
2, 23
QA1,QA2
Fullbridge outputs An.
11, 14
QB1, QB2
Fullbridge outputs Bn.
4
CLK
SPI clock input.
5
DI
Serial data input.
6
CSN
Chip select not input.
7
DO
SPI data output.
8PWM
PMW output.
9
STEP
Step clock input.
16
CP
Charge pump output.
17
GND
Ground.
18
TEST
Test input.
19
VCC
Logic supply voltage.



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