MA710 – 12-BIT, DIGITAL ANGLE SENSOR WITH ABZ & PWM OUTPUTS

MA710 Rev. 1.0

www.MonolithicPower.com

18

9/27/2017

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

© 2017 MPS. All Rights Reserved.

REGISTER MAP

Table 5: Register Map

No

Hex

Bin

Bit 7

MSB

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

LSB

0

0x0

00000

Z(7:0)

1

0x1

00001

Z(15:8)

2

0x2

00010

BCT(7:0)

3

0x3

00011

-

-

-

-

-

-

ETY

ETX

4

0x4

00100

PPT(1:0)

ILIP(3:0)

-

-

5

0x5

00101

-

-

PPT(7:2)

6

0x6

00110

MGLT(2:0)

MGHT(2:0)

-

-

9

0x9

01001

RD

-

-

-

-

-

-

-

27

0x1B

11011

MGH

MGL

-

-

-

-

-

-

Table 6: Factory Default Values

No

Hex

Bin

Bit 7

MSB

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

LSB

0

0x0

00000

0

0

0

0

0

0

0

0

1

0x1

00001

0

0

0

0

0

0

0

0

2

0x2

00010

0

0

0

0

0

0

0

0

3

0x3

00011

0

0

0

0

0

0

0

0

4

0x4

00100

1

1

0

0

0

0

0

0

5

0x5

00101

0

0

1

1

1

1

1

1

6

0x6

00110

0

0

0

1

1

1

0

0

9

0x9

01001

0

0

0

0

0

0

0

0

Table 7: Programming Parameters

Parameters

Symbol

Number of

Bits

Description

See Table

Zero Setting

Z

16

Set the zero position

10

Bias Current

Trimming

BCT

8

For side-shaft configuration: reduce the

bias current of the X or Y Hall device

13

Enable Trimming X

ETX

1

Biased current trimmed in the X direction

Hall device

14

Enable Trimming Y

ETY

1

Biased current trimmed in the Y direction

Hall device

14

Pulses Per Turn

PPT

8

Number of pulses per turn of the ABZ

output

17

Index Length /

Index Position

ILIP

4

Parametrization of the ABZ index pulse

Fig 26

Magnetic Field

High Threshold

MGHT

3

Sets the field strength high threshold

16

Magnetic Field Low

Threshold

MGLT

3

Sets the field strength low threshold

16

Rotation Direction

RD

1

Determines the sensor positive direction

12