AMS AS5048 Eval-Kit Manuale d'uso - Pagina 6

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User Manual – AS5048-AB
4

Operation cases

The most complete and accurate solution for a MCU to read the angle of a magnet is the SPI
interface.
4.1 One Device SPI mode, unidirectional – 3 wire
The AS5048-AB can be directly connected to an industry standard SPI port of a microcontroller. The
minimum connection requirement for unidirectional communication (angle + alarm values reading)
between the microcontroller and the AS5048 are MISO, SCK, SS/.
The angle will be read at each 16-bit SPI transfer. See AS5048 datasheet register table, register
3FFFh.
Figure 5:
Using the SPI Interface unidirectional with a microcontroller
3~3.6V
Regulated
Power Supply
GND
GND
P1
www.ams.com
MCU
SPI
GND
GND
AS5048
Revision 1.2 / 14.01.2014
page 6/12