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TPS274C65ASH датащи(PDF) 22 Page - Texas Instruments |
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TPS274C65ASH датащи(HTML) 22 Page - Texas Instruments |
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22 / 90 page ![]() Table 8-2. SPI Configuration Pin Configuration SPI Register Configuration SCLK Cycle per Frame DSPI D24BIT CRC_EN 0 x 0 24 bits, no CRC x 1 32 bits, with CRC 1 0 0 16 bits, no CRC 1 1 24 bits, with CRC 1 0 24 bits, no CRC SPI Sequence Frame Format Note FAULT STATUS TYPE bits in the SDO frame are equivalent to the FAULT_TYPE_STAT register (0h) listed in TPS274C65 Registers. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CS CLK SDI X Don’t Care Register Address DATA OUT FAULT STATUS TYPE 17 18 19 20 21 22 23 24 A2 A1 A0 R(0) CH4 CH3 CH2 CH1 RSVD RA6 RA5 RA4 RA3 RA2 RA1 RA0 0 0 0 0 0 0 0 0 Hi-Z Hi-Z Hi-Z SPIErr A2 A1 A0 X F7 F6 F5 F4 F3 F2 F1 F0 D7 D6 D5 D4 D3 D2 D1 D0 SDO Chip Address Chip Address SW STATE Rd Err Hi-Z X Figure 8-7. 24-bit Read, DSPI=0, D24BIT=x, CRC_EN=0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CS CLK SDI X DATA IN Register Address Per Channel FAULT FAULT STATUS TYPE 17 18 19 20 21 22 23 24 A2 A1 A0 W(1) CH4 CH3 CH2 CH1 RSVD RA6 RA5 RA4 RA3 RA2 RA1 RA0 D7 D6 D5 D4 D3 D2 D1 D0 Hi-Z Hi-Z Hi-Z SpiErr A2 A1 A0 X F7 F6 F5 F4 F3 F2 F1 F0 RSVD RSVD RSVD RSVD CH4 CH3 CH2 CH1 SDO Chip Address SW STATE Wr Chip Address Err Hi-Z X Figure 8-8. 24-bit Write, DSPI=0, D24BIT=x, CRC_EN=0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CS CLK SDI X CRC BYTE Don’t Care CRC BYTE DATA OUT 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 A1 A2 A0 R(0) CH4 CH3 CH2 CH1 RSVD RA6 RA5 RA4 RA3 RA2 RA1 RA0 X X X X X X X X 0 0 0 0 CRC3 CRC2 CRC1 CRC0 Hi-Z Hi-Z Hi-Z SpiErr A2 A1 A0 X F7 F6 F5 F4 F3 F2 F1 F0 D7 D6 D5 D4 D3 D2 D1 D0 0 0 0 0 CRC3 CRC2 CRC1 CRC0 SDO FAULT STAUS TYPE Register Address Chip Address HI-Z SW STATE Rd Chip Address Err x Figure 8-9. 32-bit Read, DSPI=0, D24BIT=x, CRC_EN=1 TPS274C65 SLVSFZ2C – APRIL 2023 – REVISED FEBRUARY 2024 www.ti.com 22 Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated Product Folder Links: TPS274C65 |
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