as5050 austriamicrosystems, as5050 Datasheet - Page 2

• Manufacturer Part Number: as5050
• Description: Low Power 10-bit Magnetic Rotary Encoder
• Manufacturer: austriamicrosystems

AS5050
Datasheet - C o n t e n t s
Contents
1 General Description ..................................................................................................................................................................
2 Key Features.............................................................................................................................................................................
3 Applications...............................................................................................................................................................................
4 Pin Assignments .......................................................................................................................................................................
5 Absolute Maximum Ratings ......................................................................................................................................................
6 Electrical Characteristics...........................................................................................................................................................
7 Detailed Description..................................................................................................................................................................
8 Application Information ...........................................................................................................................................................
9 Package Drawings and Markings ...........................................................................................................................................
10 Ordering Information.............................................................................................................................................................
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4.1 Pin Descriptions.................................................................................................................................................................................... 3
6.1 Operating Conditions............................................................................................................................................................................ 5
6.2 System Parameters .............................................................................................................................................................................. 5
6.3 DC/AC Characteristics.......................................................................................................................................................................... 5
7.1 Operating Modes .................................................................................................................................................................................. 6
7.2 SPI Communication.............................................................................................................................................................................. 8
8.1 SPI Interface....................................................................................................................................................................................... 14
8.2 Placement of the Magnet.................................................................................................................................................................... 17
7.1.1 Power Supply Filter...................................................................................................................................................................... 6
7.1.2 Reading an Angle ........................................................................................................................................................................ 7
7.1.3 Low Power Mode ......................................................................................................................................................................... 7
7.1.4 Interrupt Chaining ........................................................................................................................................................................ 7
7.2.1 Command Package ..................................................................................................................................................................... 8
7.2.2 Read Package (Value Read from AS5050) ................................................................................................................................. 8
7.2.3 Write Data Package (Value Written to AS5050) .......................................................................................................................... 9
7.2.4 Register Block.............................................................................................................................................................................. 9
7.2.5 SPI Interface Commands........................................................................................................................................................... 10
8.1.1 SPI Interface Signals (4-Wire Mode, Wire_mode = 1)............................................................................................................... 14
8.1.2 SPI Timing ................................................................................................................................................................................. 15
8.1.3 SPI Connection to the Host µC ................................................................................................................................................. 16
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