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Revision 1.16

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AS5055

Datasheet - Detailed Descr i p ti on

Figure 9. NOP Command

The NOP command frame looks like follows.

The chip’s response on this command is 0x0000 – if no error happens.

7.2.6 Error Monitoring

The correct operation and communication of the AS5055 is ensured by several particular error flags. Every read access is supported by an error

flag (EF) to indicate a transmission error. In addition a dedicated error status register is accessible. See Table 14 on page 15.

Table 13. NOP Command

Bit

MSB

14

13

12

11

10

9

8

7

6

5

4

3

2

1

LSB

000

00000

00000

00

NOP command (0x0000)

Alarm HI

Alarm LO

Mode Description

00

AGC level is higher than the minimum value and lower than the maximum value

01

AGC level is equal or even lower than the minimum level

10

AGC level is equal or even higher than the maximum level

11

Indicates if any error flag has occurred. For detailed information, refer to Error

Status Command on page 15.

NOP

NOP

MOSI

MSB

LSB

MSB

LSB

Response-1

0x0000

MISO

MSB

LSB

MSB

LSB

Transmission N

Transmission N +1

Next command

MSB

LSB

0x0000

MSB

LSB

Transmission N +2