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SM28VLT32SHKN датащи(PDF) 9 Page - Texas Instruments |
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SM28VLT32SHKN датащи(HTML) 9 Page - Texas Instruments |
9 / 16 page CS# SCK SI SO Command Byte Input Bytes (Address/Data/Dummy) Output Data Bytes Quick Status Byte Dummy Output SM28VLT32-HT www.ti.com SLVSAO2C – NOVEMBER 2012 – REVISED MARCH 2013 DETAILED DESCRIPTION SERIAL COMMUNICATION SM28VLT32 supports mode 0 and mode 3 SPI protocols. In mode 0, the inactive state of SCK is 0 whereas, in mode 3, the state is 1. The input data on SI is always latched on rising edge of SCK and data on SO is output on falling edge of SCK in both modes. CS# is brought low to start a new SPI data frame. The SPI data frame consists of an 8-bit command byte followed by a variable number of bytes of input data as shown in Table 3. The first 8 bits of SO always output the quick status bits. These bits define error conditions and status of the FLASH (see Table 4). These bits should be evaluated after each command is executed to determine if the preceding command completed successfully. This can be implemented as part of the SPI communication protocol with the host device. For more information see the Application Information section. The output data on SO follows after the complete data is provided to the device on SI pin. Invalid command bytes are ignored. Also, any additional SCK clock cycles and additional data on SI beyond the depicted frame size are ignored. CS# going high delineates the end of current data frame. Figure 5. SPI Data Frame to Read, Write, Erase Memory Data and to Access Config/Status Registers Copyright © 2012–2013, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: SM28VLT32-HT |
Аналогичный номер детали - SM28VLT32SHKN |
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Аналогичное описание - SM28VLT32SHKN |
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