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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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DRV8714-Q1 Datenblatt(PDF) 53 Page - Texas Instruments |
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DRV8714-Q1 Datenblatt(HTML) 53 Page - Texas Instruments |
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53 / 144 page  • If the data word sent to the SDI pin is less than or more than 16 bits, a frame error (SCLK_FLT) occurs and the data word is ignored. • If the data word sent to the SDI pin contains an invalid address, an address fault (ADDR_FLT) occurs and the data word is ignored. • For a write command, the existing data in the register being written to is shifted out on the SDO pin follow the 8 bit command data. nSCS SCLK SDI SDO MSB LSB Z Z MSB LSB X X Capture Point Propagate Point Figure 8-30. SPI Slave Timing Diagram 8.5.2 SPI Format The SDI input data word is 16 bits long and consists of the following format: • 1 read or write bit, W (bit B14) • 6 address bits, A (bits B13 through B8) • 8 data bits, D (bits B7 through B0) The SDO output data word is 16 bits long and the first 8 bits makes up the IC status register. The report word is the content of the register being accessed. For a write command (W0 = 0), the response word consists of the fault status indication bits followed by the existing data in the register being written to. For a read command (W0 = 1), the response word consists of the fault status indications bits followed by the data currently in the register being read. Table 8-18. SDI Input Data Word Format R/W Address Data Bit B15 B14 B13 B12 B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 B0 Data 0 W0 A5 A4 A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 Table 8-19. SDO Output Data Word Format IC Status Report Bit B15 B14 B13 B12 B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 B0 Data 1 1 FAULT WARN DS_G S UV OV OT_D RV D7 D6 D5 D4 D3 D2 D1 D0 www.ti.com DRV8714-Q1, DRV8718-Q1 SLVSEA2 – AUGUST 2020 Copyright © 2020 Texas Instruments Incorporated Submit Document Feedback 53 Product Folder Links: DRV8714-Q1 DRV8718-Q1 |
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