DRV10975ZPWPR datasheet(43/65 Pages) TI1

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DRV10975, DRV10975Z

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SLVSCP2E – JANUARY 2015 – REVISED MAY 2018

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Table 8. Default EEPROM

Value

Address

Default Value

0x20

0x4A

0x21

0x4E

0x22

0x2A

0x23

0x00

0x24

0x98

0x25

0xE4

0x26

0x7A

0x27

0xF4

0x28

0x69

0x29

0xB8

0x2A

0xAD

0x2B

0x0C

(1)

R/W

(2)

Read only

8.5.3 Register Definition

Table 9. Register Description

Data

Description

Name

Address

Bits

SpeedCtrl1(1)

0x00

7:0

SpdCtrl[7:0]

8 LSB of a 9-bit value used for the motor speed.

If OverRide = 1, the user can directly control the motor speed by writing to the

SpeedCtrl2(1)

0x01

OverRide

Use to control the SpdCtrl [8:0] bits. If OverRide = 1, the user can write the speed

command through I2C.

6:1

N/A

SpdCtrl [8]

MSB of a 9-bit value used for the motor speed.

If OverRide = 1, user can directly control the motor speed by writing to the

The MSB should be written first. Digital takes a snapshot of the MSB when LSB

is written.

DevCtrl(1)

0x02

7:0

enProgKey[7:0]

8-bit byte use to enable programming in the EEPROM.

To program the EEPROM, enProgKey = 1011 0110 (0xB6), followed immediately

by eeWrite = 1. Otherwise, enProgKey value is reset.

EECtrl(1)

0x03

sleepDis

Set to 1 to disable entering into sleep or standby mode.

SIdata

Set to 1 to enable the writing to the configuration registers.

eeRefresh

Copy EEPROM data to register.

eeWrite

Bit used to program (write) to the EEPROM.

3:0

N/A

Status(2)

0x10

OverTemp

Bit to indicate device temperature is over its limits.

Slp_Stdby

Bit to indicate that device went into sleep or standby mode.

OverCurr

Bit to indicate that an overcurrent event happened. This is a sticky bit, once

written, it stays high even if overcurrent signal goes low. This bit is cleared on

Read.

MtrLck

Bit to indicate that the motor is locked.

N/A

DRV10975ZPWPR Datasheet(PDF) 43 Page - Texas Instruments

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