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Revision 1.2 / 14.01.2014
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AS5048
14-bit Rotary Position Sensor with Digital Angle
(Interface) and PWM Output
User Manual – AS5048-AB-v1.1
Страница 1: ...www ams com Revision 1 2 14 01 2014 page 1 12 AS5048 14 bit Rotary Position Sensor with Digital Angle Interface and PWM Output User Manual AS5048 AB v1 1...
Страница 2: ...Device SPI mode unidirectional 3 wire 6 4 2 One device SPI mode bidirectional 4 wire 7 4 3 Multi devices SPI Daisy chain mode 7 5 Firmware coding 9 6 AS5048 AB Hardware 11 6 1 AS5048 AB 1 1 Schematics...
Страница 3: ...AS5048 Magnet 2 The AS5048 adapter board The AS5048 adapter board is a simple circuit allowing test and evaluation of the AS5048 magnetic position sensor quickly without building a test fixture or PCB...
Страница 4: ...th a tolerance of 0 5mm The airgap between the magnet and the encoder casing should be maintained in the range 0 5mm 2mm The magnet holder must not be ferromagnetic Materials as brass copper aluminum...
Страница 5: ...ble 1 Pin description Pin Board Pin AS5 048 Symbol Board Description P1 1 13 GND Supply ground P1 2 3 A2 MISO SPI master in slave out shared with I2C address selection pin 2 P1 3 4 A1 MOSI SPI master...
Страница 6: ...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 b...
Страница 7: ...MCU SS SCK MISO MOSI SPI VDD 3 3 6V GND Regulated Power Supply GND GND GND GND 4 3 Multi devices SPI Daisy chain mode The AS5048 can be daisy chained using 4 wires only for SPI communication In this...
Страница 8: ...n Daisy chain mode AS505x N S P1 A1 MOSI 5V 3 3V PWM SDA CSn SCL SCK A2 MISO GND AS505x N S P1 A1 MOSI 5V 3 3V PWM SDA CSn SCL SCK A2 MISO GND AS505x N S P1 A1 MOSI 5V 3 3V PWM SDA CSn SCL SCK A2 MISO...
Страница 9: ..._REG_MAG 0x3ffe magnitude register when using SPI define SPI_REG_DATA 0x3fff data register when using SPI define SPI_REG_CLRERR 0x1 clear error register when using SPI void spiReadData u16 dat 16 bit...
Страница 10: ...to calculate the even parity of the data which will be sent via SPI to the encoder param in value 16 bit unsigned integer whose parity shall be calculated return Even parity static u8 spiCalcEvenParit...
Страница 11: ...re 9 AS5048 AB 1 1 adapter board layout 1 1 2 2 3 3 4 4 D D C C B B A A Title Size Date Project Title Revision Sheet of Originator ACH AS5048 AB 1 1 A 15 10 2013 1 A4 C1 2 2u 3 3V PWM GND GND SCL SCK...
Страница 12: ...nvironmental requirements or high reliability applications such as military medical life support or life sustaining equipment are specifically not recommended without additional processing by ams AG f...
