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FXPS7115D4 датащи(PDF) 20 Page - NXP Semiconductors |
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FXPS7115D4 датащи(HTML) 20 Page - NXP Semiconductors |
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20 / 72 page ![]() NXP Semiconductors FXPS7115D4 Digital absolute pressure sensor, 40 kPa to 115 kPa FXPS7115D4 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2019. All rights reserved. Product data sheet Rev. 3 — 5 December 2019 20 / 72 Table 10. SPI command bit allocation C[3:0] Command type Data source SOURCEID[2:0] = C[3:1] Reference 0 0 0 0 Unused Command (reserved for error response) Not applicable Not applicable 0 0 0 1 Sensor Data Request SOURCEID = 0h 0 0 1 0 reserved Command Not applicable Not applicable 0 0 1 1 Sensor Data Request SOURCEID = 1h 0 1 0 0 reserved Command Not applicable Not applicable 0 1 0 1 Sensor Data Request SOURCEID = 2h 0 1 1 0 reserved Command Not applicable Not applicable 0 1 1 1 Sensor Data Request SOURCEID = 3h 1 0 0 0 Register Write Request Not applicable 1 0 0 1 Sensor Data Request SOURCEID = 4h 1 0 1 0 reserved Command Not applicable Not applicable 1 0 1 1 Sensor Data Request SOURCEID = 5h 1 1 0 0 Register Read Request Not applicable 1 1 0 1 Sensor Data Request SOURCEID = 6h 1 1 1 0 Reserved Command Not applicable Not applicable 1 1 1 1 Sensor Data Request SOURCEID = 7h 7.5.2 SPI response format Table 11. SPI response format MSB: bit 31; LSB: bit 0 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Response to Register Request Command Basic Status Unused Data 0h Register data: contents of RA[7:1] high byte Register data: contents of RA[7:1] low byte 8-bit CRC C[0], [3:1] ST[1:0] 0 0 RD[15:8] RD[7:0] CRC[7:0] Response to Sensor Data Request Command Basic Status Sensor Data Detail Status 8-bit CRC C[0], [3:1] ST[1:0] SD[11:0] 0 0 0 0 SF[1:0] CRC[7:0] Error Response to Register Request Command Basic Status Unused Data = 0000h Detail Status 8-bit CRC C[0], [3:1] 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 SF[1:0] CRC[7:0] Error Response to Sensor Data Request With Sensor Data Command Basic Status Sensor Data Detail Status 8-bit CRC C[0] C[3] C[2] C[1] 1 1 SD[11:0] 0 0 0 0 SF[1:0] CRC[7:0] Error Response to Sensor Data Request Without Sensor Data Command Basic Status x Unused Data = 0000h Detail Status 8-bit CRC 0 0 0 0 1 1 x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 SF[1:0] CRC[7:0] |
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