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PT2000 Datasheet(PDF) 76 Page - NXP Semiconductors |
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PT2000 Datasheet(HTML) 76 Page - NXP Semiconductors |
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76 / 148 page ![]() NXP Semiconductors 76 PT2000 8.2.2 SPI write access A SPI burst for write access consists of 2 to 32 16-bit words. The way the number of words is defined depends on the SPI mode used (A or B). Table 54 shows the data transmitted on MOSI and MISO. During the command word and all data words, the check byte, and the SPI error status is transmitted via the MISO line. Table 54. SPI write access MOSI word 1 (control word) - write access Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Name r_w offset number Value 0 0 to 1023 n=0 to 31 MISO word 1 (control word) - write access Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Name check byte cksys missing frame error word error Values 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 Value HEX A A A 8 MOSI word 2 (data) - write access Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Name write data 1 MISO word 2 (data) - write access Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Name check byte cksys missing frame error word error Values 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 Value HEX A A A 8 MOSI word n+1 (data) - write access Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Name write data n MISO word n+1 (data) - write access Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Name check byte cksys missing frame error word error Values 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 Value HEX A A A 8 |
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