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DRV10975ZPWPR Datasheet(PDF) 42 Page - Texas Instruments |
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DRV10975ZPWPR Datasheet(HTML) 42 Page - Texas Instruments |
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42 / 65 page  42 DRV10975, DRV10975Z SLVSCP2E – JANUARY 2015 – REVISED MAY 2018 www.ti.com Product Folder Links: DRV10975 Submit Documentation Feedback Copyright © 2015–2018, Texas Instruments Incorporated (1) R/W (2) Read only (3) EEPROM 8.5 Register Maps 8.5.1 I2C Serial Interface The DRV10975 provides an I2C slave interface with slave address 101 0010. TI recommends a pullup resistor 4.7 kΩ to 3.3 V for I 2C interface port SCL and SDA. Four read/write registers (0x00:0x03) are used to set motor speed and control device registers and EEPROM. Device operation status can be read back through 12 read-only registers (0x10:0x1E). Another 12 EEPROM registers (0x20:0x2B) can be accessed to program motor parameters and optimize the spin-up profile for the application. 8.5.2 Register Map Register Name Address D7 D6 D5 D4 D3 D2 D1 D0 SpeedCtrl1(1) 0x00 SpdCtrl[7:0] SpeedCtrl2(1) 0x01 OverRide SpdCtrl[8] DevCtrl(1) 0x02 enProgKey[7:0] EECtrl(1) 0x03 sleepDis SIdata eeRefresh eeWrite Status(2) 0x10 OverTemp Slp_Stdby OverCurr MtrLck MotorSpeed1(2) 0x11 MotorSpeed[15:8] MotorSpeed2(2) 0x12 MotorSpeed[7:0] MotorPeriod1(2) 0x13 MotorPeriod[15:8] MotorPeriod2(2) 0x14 MotorPeriod[7:0] MotorKt1(2) 0x15 MotorKt[15:8] MotorKt2(2) 0x16 MotorKt[7:0] IPDPosition(2) 0x19 IPDPosition[7:0] SupplyVoltage(2) 0x1A SupplyVoltage [7:0] SpeedCmd(2) 0x1B SpeedCmd [7:0] spdCmdBuffer(2) 0x1C spdCmdBuffer[7:0] FaultCode(2) 0x1E Lock5 Lock4 Fault3 Lock2 Lock1 Lock0 MotorParam1(3) 0x20 DoubleFreq Rm[6:0] MotorParam2(3) 0x21 AdjMode Kt[6:0] MotorParam3(3) 0x22 CtrlAdvMd TCtrlAdv[6:0] SysOpt1(3) 0x23 ISDThr[1:0] IPDAdvcAgl[1:0] ISDen RvsDrEn RvsDrThr[1:0] SysOpt2(3) 0x24 OpenLCurr[1:0] OpLCurrRt[2:0] BrkDoneThr[2:0] SysOpt3(3) 0x25 CtrlCoef[1:0] StAccel2[2:0] StAccel[2:0] SysOpt4(3) 0x26 Op2ClsThr[4:0] AlignTime[2:0] SysOpt5(3) 0x27 LockEn[3:0] AVSIndEn AVSMEn AVSMMd IPDRlsMd SysOpt6(3) 0x28 SWiLimitThr[3:0] HWiLimitThr[2:0] SysOpt7(3) 0x29 LockEn5 ClsLpAccel[2:0] Deadtime[3:0] SysOpt8(3) 0x2A IPDCurrThr[3:0] LockEn4 VregSel IPDClk[1:0] SysOpt9(3) 0x2B FGOLsel[1:0] FGcycle[1:0] KtLckThr[1:0] SpdCtrlMd CLoopDis |
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