MP6570GR datasheet(46/55 Pages) MPS

46 / 55 page

MP6570

– 3-PHASE BLDC CONTROLLER WITH HIGH-ACCURACY ANGULAR SENSOR

MP6570 Rev. 1.0

www.MonolithicPower.com

3/4/2019

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

Address: 33h

Bit[15:0]

Name

Default

Description

[0]

SPI_O_MOD

0: SPI SDO signal open-drain output

1: SPI SDO signal push-pull output

Address: 34h

Bit[15:0]

Name

Default

Description

[12:0]

BAUR_RATE

0027H

Sets the baud rate of RS485.

BAUR_RATE[12:0] = 40000000/fbps - 1

Where fbps (bit/s) is target baud rate.

Address: 3Bh

Bit[15:0]

Name

Default

Description

[6:0]

UART_IDLE_TIME

00H

Defines the TWAIT time during a read operation.

TWAIT time is (UART_IDLE_TIME+1) * 200ns

Read-Only Register

Address: 53h

Bit[15:0]

Bit Name

Access

Default

Description

[15:4]

N/A

[3]

LOCK_FLAG

Lock fault indication bit.

[2]

OCP_FLAG

OCP fault indication bit.

[1]

PSFT_FLAG

Power stage fault indication bit.

[0]

MEM_FAULT

Memory load fault indication bit.

Address: 54h

Bit[15:0]

Bit Name

Access

Default

Description

[15:3]

N/A

[2:0]]

SYS_STATE[2:0]

System state machine.

0: idle

1: load memory

2: address sample

3: bias sample

4: motor start

5: fault retry

6: memory fault

Address: 55h

Bit[15:0]

Bit Name

Access

Default

Description

[15:0]]

THETA_M[15;0]

Theta data from sensor.

Address: 56h

Bit[15:0]

Bit Name

Access

Default

Description

[15:11]

N/A

[10:0]]

IA_SENSE10:0]

ISA ADC result.

MP6570GR Datasheet(PDF) 46 Page - Monolithic Power Systems

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