AMS AS5147P Manuale operativo - Pagina 7
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AS5147P Adapter Board
4
Operation case
One device SPI mode, unidirectional – 3 wire
4.1
The AS5147P adapter board can be directly connected to an industry standard SPI port of a
microcontroller. The minimum connection requirements for unidirectional communication between
the microcontroller and the AS5147P are MISO, CLK, CSn. In this case the MOSI pin is tied to VDD
which will result in reading only the 14-bit Angle Register (0x3FFF). See AS5147P datasheet
register table, register 0x3FFF.
Figure 5: One device SPI mode, unidirectional – 3 wire
3-3.6V
Regulated
Power Supply
ams Eval Kit Manual, Confidential
[v1-0] 2015-Jan-14
GND
5V
3V3
B
A
MCU
NC
CSn
CLK
MOSI
MISO
I/PWM
TEST
NC
W/PWM
V
5V/3V3
AS5147P
GND
U
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