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POWERSTEP01 Datasheet(PDF) 51 Page - STMicroelectronics |
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POWERSTEP01 Datasheet(HTML) 51 Page - STMicroelectronics |
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51 / 92 page  DocID025022 Rev 5 51/92 powerSTEP01 Programming manual 92 11 Programming manual 11.1 Register and flag description Following a map of the user available registers (detailed description in respective paragraphs): Table 12. Register map Address [Hex] Register name Register function Length [bit] Reset [Hex] Reset value Remarks (1) General configuration h01 ABS_POS Current position 22 000000 0 R, WS h02 EL_POS Electrical position 9 000 0 R, WS h03 MARK Mark position 22 000000 0 R, WR h04 SPEED Current speed 20 00000 0 step/tick (0 step/s) R h05 ACC Acceleration 12 08A 125.5e-12 step/tick2 (2008 step/s2)R, WS h06 DEC Deceleration 12 08A 125.5e-12 step/tick2 (2008 step/s2)R, WS h07 MAX_SPEED Maximum speed 10 041 248e-6 step/tick (991.8 step/s) R, WR h08 MIN_SPEED Minimum speed 12 000 0 step/tick (0 step/s) R, WS h12 ADC_OUT ADC output 5 XX(2)0 R h13 OCD_TH OCD threshold 5 8 TBD R, WR h15 FS_SPD Full-step speed 11 027 150.7e-6 step/tick (602.7 step/s) R, WR h16 STEP_MODE Step mode 8 7 BUSY/SYNC output used as BUSY, 128 microsteps, voltage mode R, WH h17 ALARM_EN Alarm enables 8 FF All alarms enabled R, WS h18 GATECFG1 Gate driver configuration 11 TBD Igate = 4 mA, tCC = 125 ns, no boost R, WH h19 GATECFG2 Gate driver configuration 8TBD tBLANK = 125 ns, tDT = 125 ns R, WH h1B STATUS Status 16 XXXX (2) High impedance state, motor stopped, reverse direction, all fault flags released UVLO/reset flag set R h1A CONFIG IC configuration 16 TBD Internal 16 MHz oscillator (OSCOUT at 2 MHz), SW event causes HardStop, overcurrent shutdown, VCC = 7.5 V, UVLO threshold low R, WH |
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