MA780 – 8-BIT TO 12-BIT LOW-POWER ANGLE SENSOR

MA780 Rev. 1.2

MonolithicPower.com

15

8/30/2021

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© 2021 MPS. All Rights Reserved.

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Angle

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0x00

/CS

SCLK

MISO

MOSI

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0x0000

Register Address

Store Reg. to the NVM Command

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Angle

tSTORE_REG_TO_NVM

Figure 21: Overview of Two 16-Bit Frames Store Register to NVM Operation

SPI Store All Registers to NVM

The user can store the current value of all

registers in the NVM (see Figure 22). This

command is ignored if the NVM is busy

executing a previously received command.

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Angle

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/CS

SCLK

MISO

MOSI

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0x0000

0x000

Store All Reg. to the NVM Command

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Angle

tSTORE_ALL_REG_TO_NVM

Figure 22: Overview of Two 16-Bit Frames Store All Registers to NVM Operation

SPI Restore All Registers from NVM

The user can restore the value of all registers

from

the

NVM.

This

operation

is

done

automatically during each start-up (see Figure

23). This command is ignored if the NVM is busy

executing a previously received command.

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Angle

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/CS

SCLK

MISO

MOSI

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0x0000

0x000

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Angle

Restore All Reg. from the NVM Command

tRESTORE_ALL_REG_FROM_NVM

Figure 23: Overview of Two 16-Bit Frames Restore All Registers from NVM Operation

SPI Clear Error Flags

The error flag on the ERR pin (reset to 0), we

well as the error flags in register 26, can be

cleared using the SPI Clear

Error

Flags

command (see Figure 24).

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/CS

SCLK

MISO

MOSI

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0x0000

0x000

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Angle

Clear Fault Command

tCLEAR_FAULT

Figure 24: Overview of Two 16-Bit Frames Clear Error Flags Operation