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AS5043 10-BIT PROGRAMMABLE MAGNETIC ROTARY ENCODER

Adapter PCB Operation Manual

6 AS5043 Adapter PCB Schematic:

For normal operation, the only required external components are the buffer cap at VDD3V3 (C4) and the pull-down

resistor for CSn (R7; 0Ω....4k7).

The PCB operates at several power supply levels:

Power Supply options:

Supply

apply at

voltage

3,0....3,6V

VDD5V and VDD3V3

4,5....5,5V

VDD5V

7,5...20V

ext. voltage regulator

(pin 1, J2)

7,5...20V

ext. voltage regulator

(pin 1, J2)

*) if already installed, external voltage regulator can be left installed.

Figure 6: how to connect various power supply levels to the adapter PCB

Revision A.02, 04. Jul 06

Figure 5: AS5043 Adapter PCB schematic

ext. voltage regulator

IC2 or IC3

not required *)

3.3V type, e.g. LE33C

(ST Micro)

5.0V type

e.g. 75L05

www.austriamicrosystems.com

digital I/O

remark

level

3.0....3.6V

short VDD5V and

VDD3V3

4.5....5.5V

3.3V

short VDD5V and

VDD3V3

5.0V

PCB delivery status

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