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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TLE75620-EST датащи(PDF) 62 Page - Infineon Technologies AG |
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TLE75620-EST датащи(HTML) 62 Page - Infineon Technologies AG |
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62 / 81 page  Datasheet 62 Rev. 1.0 2017-11-23 TLE75620-EST SPIDER+ 12V Serial Peripheral Interface (SPI) 10.5 SPI Protocol The relationship between SI and SO content during SPI communication is shown in Figure 36. SI line represents the frame sent from the µC and SO line is the answer provided by TLE75620-EST. Figure 36 Relationship between SI and SO during SPI communication The SPI protocol provides the answer to a command frame only with the next transmission triggered by the µC. Although the biggest majority of commands and frames implemented in TLE75620-EST can be decoded without the knowledge of what happened before, it is advisable to consider what the µC sent in the previous transmission to decode TLE75620-EST response frame completely. More in detail, the sequence of commands to “read” and “write” the content of a register looks as follows: Figure 37 Register content sent back to µC There are 3 special situations where the frame sent back to the µC is not related directly to the previous received frame: • in case an error in transmission happened during the previous frame (for instance, the clock pulses were not multiple of 8 with a minimum of 16 bits), shown in Figure 38 • when TLE75620-EST logic supply comes out of Power-On reset condition or after a Software Reset, as shown in Figure 39 • in case of command syntax errors – “write” command starting with “11” instead of “10” – “read” command starting with “00” instead of “01” – “read” or “write” commands on registers which are “reserved” or “not used” SI SO frame A frame B (previous response ) response to frame A frame C response to frame B SPI_SI2SO.emf SI SO write register A read register A Standard diagnostic register A content (new command ) SPI_RWseq.emf (previous response ) |
Аналогичный номер детали - TLE75620-EST |
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Аналогичное описание - TLE75620-EST |
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