AS5055 datasheet(11/26 Pages) AMSCO

номер детали	AS5055

подробное описание детали	Low Power 12-Bit Magnetic Rotary Encoder

PDF	26 Pages

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производитель	AMSCO [ams AG]

домашняя страница	http://www.ams.com

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AS5055

Datasheet - Detailed Descr i p ti on

7.2.5 SPI Interface Commands

READ Command. For a single READ command two transmission sequences are necessary. The first package written to the AS5055 contains

the READ command (MSB high) and the address the chip has to access, the second package transmitted to the AS5055 device can be any

command the chip has to process next. The content of the desired register is available in the MISO register of the master device at the end of the

second transmission cycle.

Figure 5. READ Command

WRITE Command. A single WRITE command takes two transmission cycles. The WRITE command can be verified by sending a NOP

command after the WRITE command. The Data will be send back during NOP command.

Figure 6. WRITE Command

READ

Next command

MOSI

MSB

LSB

MSB

LSB

Response - 1

Response on

READ command

MISO

MSB

LSB

MSB

LSB

T COM

Transmission N

Transmission N +1

WRITE

command

DATA

MOSI

MSB

LSB

MSB

LSB

Response-1

Old register

content

MISO

MSB

LSB

MSB

LSB

TCOM

Transmission N

Transmission N +1

Next command

MSB

LSB

New register

content

MSB

LSB

Transmission N +2

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