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DM505 Datasheet(PDF) 154 Page - Texas Instruments |
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DM505 Datasheet(HTML) 154 Page - Texas Instruments |
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154 / 295 page ![]() 154 DM505 SPRS976E – NOVEMBER 2016 – REVISED MAY 2018 www.ti.com Submit Documentation Feedback Specifications Copyright © 2016–2018, Texas Instruments Incorporated Table 5-48. McSPI1/3 IOSETs (continued) SIGNALS IOSET1 IOSET2 IOSET3 BALL MUX BALL MUX BALL MUX spi1_d0 T5 0 T5 0 T5 0 spi1_cs0 R6 0 R6 0 R6 0 spi1_cs1 R5 0 spi1_cs2 F14 5 spi1_cs3 C14 5 SPI3 spi3_sclk F15 4 C6 4 spi3_d1 D14 4 F7 4 spi3_d0 D15 4 E7 4 spi3_cs0 F16 4 B6 4 5.9.6.11 QSPI The Quad SPI (QSPI) module is a type of SPI module that allows single, dual or quad read access to external SPI devices. This module has a memory mapped register interface, which provides a direct interface for accessing data from external SPI devices and thus simplifying software requirements. It works as a master only. There is one QSPI module in the device and it is primary intended for fast booting from quad-SPI flash memories. General SPI features: • Programmable clock divider • Six pin interface (DCLK, CS_N, DOUT, DIN, QDIN1, QDIN2) • 4 external chip select signals • Support for 3-, 4- or 6-pin SPI interface • Programmable CS_N to DOUT delay from 0 to 3 DCLKs • Programmable signal polarities • Programmable active clock edge • Software controllable interface allowing for any type of SPI transfer NOTE For more information, see the Quad Serial Peripheral Interface section of the Device TRM. CAUTION The IO Timings provided in this section are only valid when all QSPI Chip Selects used in a system are configured to use the same Clock Mode (either Clock Mode 0 or Clock Mode 3). Table 5-49 and Table 5-50 present Timing and Switching Characteristics for Quad SPI Interface. |
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