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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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DRV8860PWPR Scheda tecnica(PDF) 27 Page - Texas Instruments |
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DRV8860PWPR Scheda tecnica(HTML) 27 Page - Texas Instruments |
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27 / 45 page  DRV8860, DRV8860A www.ti.com SLRS065E – SEPTEMBER 2013 – REVISED NOVEMBER 2015 8.6 Register Maps 8.6.1 Data Register The Data register is used to control the status of each of the eight outputs: Figure 34. Data Register D8 D7 D6 D5 D4 D3 D2 D1 OUT8 OUT7 OUT6 OUT5 OUT4 OUT3 OUT2 OUT1 R/W R/W R/W R/W R/W R/W R/W R/W LEGEND: R/W = Read/Write; R = Read only; -n = value after reset When any bit is ‘1’, the corresponding output will be active. When any bit is ‘0’, the output will be inactive. The data register is the default write location for the serial interface. In order to read back data from this register, the Data Register Readout special command is used. 8.6.2 Fault Register The Fault register can be read to determine if any channel exist fault condition. OCP is an overcurrent fault and OLD is an open load fault. OLD is not included on the DRV8860A Figure 35. Fault Register F16 F15 F14 F13 F12 F11 F10 F9 OUT8 OCP OUT7 OCP OUT6 OCP OUT5 OCP OUT4 OCP OUT3 OCP OUT2 OCP OUT1 OCP R/W R/W R/W R/W R/W R/W R/W R/W F8 F7 F6 F5 F4 F3 F2 F1 OUT8 OL OUT7 OL OUT6 OL OUT5 OL OUT4 OL OUT3 OL OUT2 OL OUT1 OL R/W R/W R/W R/W R/W R/W R/W R/W LEGEND: R/W = Read/Write; R = Read only; -n = value after reset When any fault occurs, nFAULT pin will be driven low and corresponding Fault register bit will be set up as ‘1’. OCP is a flag indicating overcurrent fault. ODP is a flag indicating open load fault. Fault bits can be reset by two approaches: 1. Special command ‘FAULT RESET’ clear all fault bits. 2. Setting Data register to ON will clear corresponding OLD bits (DRV8860 only) Setting Data register to OFF will clear corresponding OCP bits. 8.6.3 Control Register The Control register is used to adjust the Energizing Time and PWM Duty Cycle of outputs: Figure 36. Control Register C8 C7 C6 C5 C4 C3 C2 C1 Over All Enable PWM Duty Cycle control Energizing Time control R/W R/W R/W LEGEND: R/W = Read/Write; R = Read only; -n = value after reset Special command ‘WRITE CONTROL REGISTER’ is used to program control register. Special command ‘READ CONTROL REGISTER’ is used to read back control register content. Copyright © 2013–2015, Texas Instruments Incorporated Submit Documentation Feedback 27 Product Folder Links: DRV8860 DRV8860A |
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