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VNF1048F Datasheet(PDF) 25 Page - STMicroelectronics

Part # VNF1048F
Description  High-side switch Controller with intelligent fuse protection for 12 V, 24 V and 48 V automotive applications
PDF  52 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VNF1048F Datasheet(HTML) 25 Page - STMicroelectronics

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Figure 9. SPI functional diagram
LSB
LSB
MSB
MSB
VNF1048F
Slave
µC
SPI Master
SDI
SDO
CSN
SCK
SDI
SDO
CSN
SCK
CS1
CS2
CSN2
CSN1
SCK
SDI
SDO
SCK
SDI
SDO
BUS master
SPI interface with
CPOL = 0
CPHA = 0
VNF1048F
VNF1048F
6.2
Signal description
Serial clock SCK
This input signal provides the timing of the serial interface. Data present at Serial Data Input (SDI) are latched on
the rising edge of Serial Clock (SCK). Data on Serial Data Output (SDO) change after the falling edge of Serial
Clock (SCK).
Serial data input SDI
This input signal is used to transfer data serially into the device. It receives data to be written. Values are sampled
on the rising edge of Serial Clock (SCK).
VNF1048F
Signal description
DS13084 - Rev 6
page 25/52



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